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Results for "

estrogen

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Estrogen Receptor/ERR (550) 17β-HSD (5) 5 alpha Reductase (4) ADC Linker (4) Adhesion G Protein-coupled Receptors (AGPCRs) (1) Akt (14) Aldose Reductase (3) Amino Acid Derivatives (1) AMPK (1) Amyloid-β (4) Androgen Receptor (36) Antibiotic (1) Apoptosis (93) Aryl Hydrocarbon Receptor (9) ATP-binding cassette (ABC) transporters (2) Autophagy (28) AUTOTACs (1) Bacterial (23) Bcl-2 Family (5) BCRP (1) Biochemical Assay Reagents (15) Calcium Channel (4) Calmodulin (5) Carboxypeptidase (1) Caspase (6) CDK (12) Cholinesterase (ChE) (1) COX (8) Cytochrome P450 (52) Dengue Virus (2) DNA/RNA Synthesis (5) Drug Derivative (7) Drug Intermediate (10) Drug Isomer (3) Drug Metabolite (22) E3 Ligase Ligand-Linker Conjugates (7) EGFR (3) Endogenous Metabolite (112) Environmental Pollutants (23) Epoxide Hydrolase (1) ERK (6) FAK (2) Fat Mass and Obesity-associated Protein (FTO) (1) Ferroptosis (4) FKBP (3) Flavivirus (2) Fluorescent Dye (4) Fungal (11) FXR (2) G protein-coupled Bile Acid Receptor 1 (1) GABA Receptor (1) Glucocorticoid Receptor (9) Glutathione Reductase (GR) (1) Glutathione S-transferase (3) Glycosidase (3) GnRH Receptor (2) HDAC (2) Heme Oxygenase (HO) (2) Hippo (MST) (1) Histamine Receptor (2) Histone Demethylase (2) Histone Methyltransferase (4) HIV (2) HSP (12) IFNAR (3) Insecticide (7) Integrin (1) Interleukin Related (1) Isotope-Labeled Compounds (123) JAK (2) Keap1-Nrf2 (4) LDLR (1) Ligands for E3 Ligase (1) Ligands for Target Protein for PROTAC (7) Liposome (5) LXR (4) MDM-2/p53 (4) MEK (1) MELK (1) Microtubule/Tubulin (2) Mineralocorticoid Receptor (1) Mitochondrial Metabolism (5) Mitophagy (2) MMP (7) Molecular Glues (2) Monoamine Oxidase (1) mTOR (11) Na+/K+ ATPase (1) Necroptosis (3) NF-κB (13) NO Synthase (2) NOD-like Receptor (NLR) (2) Nucleoside Antimetabolite/Analog (1) OAT (2) Opioid Receptor (2) P-glycoprotein (2) p38 MAPK (8) PAI-1 (2) Parasite (15) PD-1/PD-L1 (2) PDI (3) Phosphatase (2) Phosphodiesterase (PDE) (2) Photosensitizer (5) PI3K (9) PKC (2) Potassium Channel (1) PPAR (5) Pregnane X Receptor (PXR) (2) Progesterone Receptor (24) PROTAC Linkers (1) PROTAC-Linker Conjugates for PAC (3) PROTACs (21) Radionuclide-Drug Conjugates (RDCs) (1) RAR/RXR (4) Reactive Oxygen Species (ROS) (18) Reference Standards (106) RET (1) RUNX (1) RXFP Receptor (1) SARS-CoV (1) Sirtuin (4) SNIPERs (2) Sodium Channel (3) Src (2) STAT (4) Steroid Sulfatase (11) Target Protein Ligand-Linker Conjugates (3) TGF-beta/Smad (4) Thyroid Hormone Receptor (6) TNF Receptor (2) Toll-like Receptor (TLR) (1) Topoisomerase (3) Transmembrane Glycoprotein (1) TRP Channel (3) Tyrosinase (2) VD/VDR (1) VEGFR (1) Wnt (1)
By Research Areas:	Cancer (488) Cardiovascular Disease (41) Endocrinology (209) Infection (66) Inflammation/Immunology (79) Metabolic Disease (140) Neurological Disease (70)
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Targets Recommended: Estrogen Receptor/ERR

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-16950

4-Hydroxytamoxifen 50+ Cited Publications (Z)-4-Hydroxytamoxifen; trans-4-Hydroxytamoxifen; (Z)-Afimoxifene	Estrogen Receptor/ERR	Cancer
4-Hydroxytamoxifen ((Z)-4-Hydroxytamoxifen) is an orally active, selective estrogen receptor modulator (SERM). 4-Hydroxytamoxifen ((Z)-4-Hydroxytamoxifen) is also the active metabolic form of Tamoxifen (HY-13757A) in vivo and can be used to induce gene knockout in transgenic mice expressing CreER .

HY-14248

Letrozole 15+ Cited Publications CGS 20267	Cytochrome P450 Autophagy	Cancer
Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase, with an IC₅₀ of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer .

HY-13757

Tamoxifen Citrate 225+ Cited Publications ICI 46474; (Z)-Tamoxifen Citrate; trans-Tamoxifen Citrate	Estrogen Receptor/ERR HSP Autophagy Apoptosis	Infection Neurological Disease Inflammation/Immunology Cancer
Tamoxifen Citrate (ICI 46474) is an orally active, selective estrogen receptor modulator (SERM) which blocks estrogen action in breast cells and can activate estrogen activity in other cells, such as bone, liver, and uterine cells.Tamoxifen Citrate is a potent Hsp90 activator and enhances the Hsp90 molecular chaperone ATPase activity. Tamoxifen Citrate also potent inhibits infectious EBOV Zaire and Marburg (MARV) with IC₅₀ of 0.1 μM and 1.8 μM, respectively. Tamoxifen Citrate activates autophagy and induces apoptosis. Tamoxifen Citrate can also be used to induce gene knockout in CreER transgenic mice .

HY-138642

Vepdegestrant 5+ Cited Publications ARV-471	PROTACs Estrogen Receptor/ERR	Cancer
Vepdegestrant (ARV-471) is an orally active PROTAC estrogen receptor degrader against breast cancer. Vepdegestrant is a hetero-bifunctional molecule that facilitates the interactions between estrogen receptor alpha and an intracellular E3 ligase complex. Vepdegestrant leads to the ubiquitylation and subsequent degradation of estrogen receptors via the proteasome. Vepdegestrant robustly degrades ER in ER-positive breast cancer cell lines with a half-maximal degradation concentration (DC₅₀) of about 2 nM .

HY-B0234

Estrone 5+ Cited Publications E1; Oestrone	Estrogen Receptor/ERR Endogenous Metabolite	Endocrinology Cancer
Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-B0216

Ethinylestradiol 5 Publications Verification Ethynyl estradiol; 17α-Ethynylestradiol	Environmental Pollutants Endogenous Metabolite Estrogen Receptor/ERR	Endocrinology Cancer
Ethinylestradiol is an orally active steroidal estrogen. Ethinylestradiol is widely used in research on menopausal symptoms, gynecological conditions, and certain hormone-sensitive cancers .

HY-15731

Estetrol	Estrogen Receptor/ERR Endogenous Metabolite NO Synthase	Cardiovascular Disease Cancer
Estetrol, an orally active estrogen synthesized exclusively during pregnancy by the human fetal liver, is a selective nuclear estrogen receptor modulator. Estetrol binds ERα as well as ERβ (with a fourfold lower affinity). Estetrol increases eNOS expression/activity and NO synthesis in endothelial cells. Estetrol exerts estrogenic actions on the endometrium or the central nervous system but presents antagonistic effects on the breast. Estetrol can be used in contraception and menopausal hormone research .

HY-B1662

Hexestrol 2 Publications Verification	Estrogen Receptor/ERR	Endocrinology
Hexestrol is a nonsteroidal synthetic estrogen, with a K_i of 0.06 and 0.06 nM for estrogen receptor alpha (ERα) and ERβ. Hexestrol can be used for the research of the diseases caused by estrogen deficiencym, and it also can increase the weight of cattle .

HY-B1830

Estradiol enanthate E2EN	Estrogen Receptor/ERR	Endocrinology
Estradiol enanthate (E2EN) is a shorter-acting *estrogen. Estradiol enanthate is an injectable contraceptive* in combination with Dihydroxyprogesterone acetophenide. Estradiol enanthate promotes withdrawal bleeding, in a pattern similar to menstruation .

HY-B1403

Dienestrol	Estrogen Receptor/ERR	Endocrinology
Dienestrol is an orally active nonsteroidal *estrogen*. Dienestrol prevents the formation of implantation swellings in the uterus by inhibiting ovum discharge .

HY-123047

Tibolone	Progesterone Receptor Androgen Receptor Estrogen Receptor/ERR	Endocrinology
Tibolone is a broad spectrum gonadal steroid agonist with progestagenic, androgenic, and estrogenic activities. Tibolone can be used for postmenopausal osteoporosis research .

HY-119437

FLTX1 2 Publications Verification	Estrogen Receptor/ERR	Cancer
FLTX1 is a fluorescent Tamoxifen derivative that can specifically label intracellular Tamoxifen-binding sites (estrogen receptors) under permeabilized and non-permeabilized conditions. FLTX1 exhibits the potent antiestrogenic properties of Tamoxifen in breast cancer cells. FLTX1 is devoid of the estrogenic agonistic effect on the uterus .

HY-W654077

Bisphenol AF-d4 BPAF-d₄; 4,4'-(Perfluoropropane-2,2-diyl)diphenol-d₄	Estrogen Receptor/ERR	Endocrinology
Bisphenol AF-d₄ is the isotope labelled analog of Bisphenol AF (HY-W013782). Bisphenol AF is a full agonist for the estrogen receptor. Bisphenol AF acts as an endocrine-disrupting chemical (EDC), activating estrogen through the estrogen receptor Era. Bisphenol AF-d₄ can be used for the research of endocrinology and cancer .

HY-125703

Ferutinin	Estrogen Receptor/ERR Apoptosis	Infection Inflammation/Immunology Endocrinology Cancer
Ferutinin, a natural terpenoid compound, is an estrogen receptor ERα agonist and estrogen ERβ-receptor agonist/antagonist with IC₅₀s of 33.1 nM and 180.5 nM, respectively. Ferutinin acts as an electrogenic Ca ²⁺-ionophore that increases calcium permeability of lipid bilayer membranes, mitochondria. Ferutinin possesses estrogenic, antitumor, antibacterial and antiinflammatory activities .

HY-W116007

Octamethylcyclotetrasiloxane	Environmental Pollutants DNA/RNA Synthesis	Endocrinology
Octamethylcyclotetrasiloxane promotes the anchorage-independent growth of MCF-10A and MCF-10F cells. Octamethylcyclotetrasiloxane induces DNA damage, inhibits the expression of DNA-repairing protein BRCA1 under long-term and high-concentration exposure. Octamethylcyclotetrasiloxane exhibits intrinsic estrogenic activity .

HY-B1353

Paroxypropione 4'-Hydroxypropiophenone	Estrogen Receptor/ERR	Endocrinology
Paroxypropione (4'-Hydroxypropiophenone) is a manufactured, nonsteroidal estrogen and can be used for endocrine research .

HY-14248R

Letrozole (Standard) CGS 20267 (Standard)	Cytochrome P450 Reference Standards Autophagy	Cancer
Letrozole (Standard) is the analytical standard of Letrozole. This product is intended for research and analytical applications. Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase, with an IC50 of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer .

HY-137099A

Genistein 7-sulfate sodium	Fluorescent Dye	Endocrinology
Genistein 7-sulfate sodium is a metabolite of genistein that can reduce the activity of estrogen agonists in MCF-7 cells. Genistein 7-sulfate sodium can promote the growth of MCF-7 cells at concentrations of 10 μM and above .

HY-W1006471

Estrogen receptor-agonist-1	Estrogen Receptor/ERR	Endocrinology
Estrogen receptor-agonist-1 (compound 4e) is a estrogen receptor (ER) agonist that binds to ERα with high affinity .

HY-150601

Estrogen receptor-IN-1 1 Publications Verification	Estrogen Receptor/ERR	Metabolic Disease
Estrogen receptor-IN-1 (compound 16) is a potent estrogen receptor (ER) inhibitor with IC₅₀s of 13, 5µM for ERα and Erβ, respectively .

HY-110201

Estrogen receptor modulator 1	Estrogen Receptor/ERR	Cancer
Estrogen receptor modulator 1 (compound 18) is an orally active and selective estrogen receptor modulator (SERM), with a pIC₅₀ of 0.46. Estrogen receptor modulator 1 induces regression of Tamoxifen-resistant, hormone independent xenograft tumors .

HY-13724

Pipendoxifene ERA-923	Estrogen Receptor/ERR	Cancer
Pipendoxifene is a selective estrogen receptor modulator (SERM).

HY-N11707

Piscidic acid	Others	Others
Piscidic acid is an ester compound derived from Cimicifuga racemosa. Piscidic acid has in vitro estrogen activity .

HY-145341

GNE-149	Estrogen Receptor/ERR	Cancer
GNE-149 is an orally bioavailable full antagonist of estrogen receptor α (ERα; IC₅₀=0.053 nM). GNE-149 is a selective estrogen receptor degrader (SERD). GNE-149 can be used for the research of breast cancer .

HY-P5464

SRC-1 NR box peptide	Estrogen Receptor/ERR	Others
SRC-1 NR box peptide is a biological active peptide (This peptide is a 14-amino acid fragment from the steroid receptor cofactor SRC-1 NR II). SRC-1 NR box peptide can be used to study the regulatory mechanisms of estrogen receptor ligands .

HY-150693

Estrogen receptor β antagonist 2	Estrogen Receptor/ERR	Cancer
Estrogen receptor β antagonist 2 is a potent and selective estrogen receptor β (ERβ) antagonist with IC₅₀s of 109.10, 0.63 µM for Erα and Erβ, respectively .

HY-79576

Estrone 3-methyl ether Oestrone methyl ether; 3-O-Methylestrone	Drug Intermediate	Cancer
Estrone 3-methyl ether (Oestrone methyl ether; 3-O-Methylestrone) is a synthetic intermediate useful for synthesis of estrogen receptor modulator .

HY-13556

Arzoxifene LY353381; SERM III	Estrogen Receptor/ERR	Metabolic Disease Cancer
Arzoxifene (LY353381) is an orally active selective estrogen receptor modulator with a fixed ring structure similar to raloxifene. Arzoxifene has minimal side effects with powerful antiestrogenic effects on breast cancer and endometrium, with equally strong favorable estrogenic effects on bone and lipid profile .

HY-B1234R

Octinoxate (Standard) Octyl methoxycinnamate (Standard)	Reference Standards Androgen Receptor Estrogen Receptor/ERR	Others
Octinoxate (Standard) is the analytical standard of Octinoxate. This product is intended for research and analytical applications. Octinoxate (Octyl methoxycinnamate) is an organic compound that is an ingredient in some sunscreens and lip balms, primarily used is in sunscreens and other cosmetics to absorb UV-B rays from the sun, protecting the skin from damage and can be used to reduce the appearance of scars. Octinoxate also has a complex androgenic and *estrogenic* effect .

HY-150692

Estrogen receptor α antagonist 1	Estrogen Receptor/ERR	Cancer
Estrogen receptor α antagonist 1 (compound 35) is a highly selective antagonist of estrogen receptor α, with IC₅₀s of 0.02, 6.55 and 7.73 μM for estrogen receptor α, estrogen receptor β and MCF-7 cells, respectively. Estrogen receptor α antagonist 1 can be used for the research of cancer .

HY-151230

(-)-Erteberel	Estrogen Receptor/ERR	Cancer
(-)-Erteberel is a selective estrogen receptor beta (ERβ) agonist. (-)-Erteberel can be utilized in the study of diseases mediated by estrogen receptor beta (ERβ), such as prostate cancer .

HY-14247B

Fadrozole hydrochloride hemihydrate 2 Publications Verification CGS 16949A hemihydrate; (Rac)-FAD286 hydrochloride hemihydrate	Cytochrome P450	Endocrinology Cancer
Fadrozole hydrochloride hemihydrate is an orally active, potent, selective and nonsteroidal aromatase inhibitor, with an IC₅₀ of 6.4 nM. Fadrozole hydrochloride hemihydrate inhibits the production of estrogen and progesterone, with IC₅₀ values of 0.03 and 120 μM. Fadrozole hydrochloride hemihydrate shows prevention of spontaneous tumours. Fadrozole hydrochloride hemihydrate can be used for the research of estrogen-dependent disease and cancer .

HY-B1830R

Estradiol enanthate (Standard) E2EN (Standard)	Reference Standards Estrogen Receptor/ERR	Endocrinology
Estradiol enanthate (Standard) is the analytical standard of Estradiol enanthate. Estradiol enanthate (E2EN) is a shorter-acting *estrogen. Estradiol enanthate is an injectable contraceptive* in combination with Dihydroxyprogesterone acetophenide. Estradiol enanthate promotes withdrawal bleeding, in a pattern similar to menstruation .

HY-137099

Genistein 7-sulfate	Fluorescent Dye	Endocrinology
Genistein 7-sulfate is a metabolite of genistein that can reduce the activity of estrogen agonists in MCF-7 cells. Genistein 7-sulfate can promote the growth of MCF-7 cells at concentrations of 10 μM and above .

HY-P5464A

SRC-1 NR box peptide acetate	Estrogen Receptor/ERR	Endocrinology
SRC-1 NR box peptide acetate is a biological active peptide (This peptide is a 14-amino acid fragment from the steroid receptor cofactor SRC-1 NR II). SRC-1 NR box peptide acetate can be used to study the regulatory mechanisms of estrogen receptor ligands .

HY-W091820

4-Benzylphenol 4HDPM	Drug Derivative	Others
4-Benzylphenol (4HDPM), a structural analog of Bisphenol F (HY-W014901), has estrogenic activity in vitro and in vivo. 4-Benzylphenol can be used in plastics as a germicide, antiseptic, preservative, and antioxidant, and can be used in during organic synthesis .

HY-116865

Equilenin	Endogenous Metabolite	Endocrinology Cancer
Equilenin is a B-ring unsaturated estrogen and one of the main ingredients in Premarin, a drug commonly used in estrogen replacement therapy. Equilenin can bind to estrogen receptors in the body and exert effects similar to endogenous estrogen. Equilenin can be used in estrogen replacement therapy and breast cancer research .

HY-124114

4-Hydroxytoremifene 4-OH-TOR	Estrogen Receptor/ERR	Endocrinology
4-Hydroxytoremifene (4-OH-TOR) is an estrogen receptor antagonist that blocks the uterus's ability to absorb estradiol .

HY-135588

Raloxifene 6,4'-Bis-β-D-glucuronide	Drug Metabolite	Metabolic Disease
Raloxifene 6,4'-Bis-β-D-glucuronide (compound IV) is a metabolite of Raloxifene. Raloxifene is a selective estrogen receptor antagonist for the prevention of osteoporosis .

HY-W554614

Diethylstilbestrol diphosphate Fosfestrol	Estrogen Receptor/ERR	Cancer
Diethylstilbestrol diphosphate (Fosfestrol) is a diphosphate of diethylstilbestrol and an agonist of estrogen receptors. Diethylstilbestrol diphosphate is a prodrug of diethylstilbestrol and has a powerful anti-gonadotropin effect. Diethylstilbestrol diphosphate can be used in the research of prostate cancer .

HY-138642A

(Rac)-Vepdegestrant (Rac)-ARV-471	Estrogen Receptor/ERR PROTACs	Cancer
(Rac)-Vepdegestrant is the isomer of Vepdegestrant (HY-138642). Vepdegestrant ((R)-Lavandulol) is an orally active PROTAC estrogen receptor degrader against breast cancer. Vepdegestrant is a hetero-bifunctional molecule that facilitates the interactions between estrogen receptor alpha and an intracellular E3 ligase complex. Vepdegestrant leads to the ubiquitylation and subsequent degradation of estrogen receptors via the proteasome. Vepdegestrant robustly degrades ER in ER-positive breast cancer cell lines with a half-maximal degradation concentration (DC₅₀) of about 2 nM .

HY-160264

PROTAC ER Degrader-12	PROTACs Estrogen Receptor/ERR	Cancer
PROTAC ER Degrader-12 (Compound 70) is an estrogen receptor PROTAC degrader (DC₅₀: <10 nM), and inhibits MCF-7 proliferation (DC₅₀: <10 nM). PROTAC ER Degrader-12 has anticancer effect. Pink: ER ligand (HY-169978); Blue: E3 ligase ligand (HY-138793); Black: linker (HY-30756) .

HY-108028

NDC 1308	Estrogen Receptor/ERR DNA/RNA Synthesis	Cancer
NDC 1308 is an estradiol analogue. NDC 1308 can bind estrogen receptor beta and inhibit cancer cell proliferation by blocking chromosome replication. NDC 1308 can be used for the research of cancer, such as breast cancer .

HY-144204

Estrogen receptor antagonist 5	Estrogen Receptor/ERR	Endocrinology Cancer
Estrogen receptor antagonist 5 is a potent antagonist of Estrogen receptor. The estrogen receptor is a ligand-activated transcriptional regulatory protein that mediates induction of a variety of biological effects through its interaction with endogenous estrogens. Estrogen receptor antagonist 5 has the potential for the research of metastatic disease (extracted from patent WO2017174757A1, compound 165) .

HY-144206

Estrogen receptor antagonist 6	Estrogen Receptor/ERR	Endocrinology
Estrogen receptor antagonist 6 is a potent antagonist of Estrogen receptor. The estrogen receptor is a ligand-activated transcriptional regulatory protein that mediates induction of a variety of biological effects through its interaction with endogenous estrogens. Estrogen receptor antagonist 6 has the potential for the research of metastatic disease (extracted from patent WO2017174757A1, compound 166) .

HY-144138

Estrogen receptor antagonist 2	Estrogen Receptor/ERR	Cancer
Estrogen receptor antagonist 2 is a selective estrogen receptor downregulator. Estrogen (E2) and estrogen alpha receptor (ERα) are important drivers of breast cancer development. Estrogen receptor antagonist 2 has the potential for the research of breast cancer diseases (extracted from patent WO2021228210A1, compound 3) .

HY-144137

Estrogen receptor antagonist 1	Estrogen Receptor/ERR	Cancer
Estrogen receptor antagonist 1 is a selective estrogen receptor antagonist. Estrogen (E2) and estrogen alpha receptor (ERα) are important drivers of breast cancer development. Estrogen receptor antagonist 1 has the potential for the research of breast cancer diseases (extracted from patent WO2021249533A1, compound 4) .

HY-144139

Estrogen receptor antagonist 3	Estrogen Receptor/ERR	Cancer
Estrogen receptor antagonist 3 is a potent antagonist of estrogen receptor (ER). The estrogen signaling system plays an important role in regulating cell growth, differentiation and apoptosis. Estrogen receptor antagonist 3 has the potential for the research of cancer diseases (extracted from patent WO2021213358A1, compound 7) .

HY-144202

Estrogen receptor antagonist 4	Estrogen Receptor/ERR	Cancer
Estrogen receptor antagonist 4 is a potent antagonist of estrogen receptor (ER). The estrogen signaling system plays an important role in regulating cell growth, differentiation and apoptosis. Estrogen receptor antagonist 4 has the potential for the research of cancer diseases (extracted from patent WO2021213358A1, compound 1) .

HY-P3833

Yp537 Anti-estrogen	Estrogen Receptor/ERR	Endocrinology
Yp537 is an estrogen receptor (ER) inhibitor that blocks dimerization of the human estrogen receptor .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-14650

DHEA 45+ Cited Publications Prasterone; Dehydroisoandrosterone; Dehydroepiandrosterone	Structural Classification Human Gut Microbiota Metabolites Classification of Application Fields Endogenous metabolite Disease Research Fields Steroids Source Classification Cancer	Environmental Pollutants Endogenous Metabolite Androgen Receptor
DHEA (Prasterone) is one of the most abundant steroid hormones. DHEA (Prasterone) mediates its action via multiple signaling pathways involving specific membrane receptors and via transformation into androgen and estrogen derivatives (e.g., androgens, estrogens, 7α and 7β DHEA, and 7α and 7β epiandrosterone derivatives) acting through their specific receptors.

HY-14590

Kaempferol 75+ Cited Publications Kempferol; Robigenin	Flavonols Classification of Application Fields Anti-aging Plants Endogenous metabolite Human Gut Microbiota Metabolites Flavonoids Microorganisms other families Sunscreen Phenols Polyphenols Cosmetic Research Disease Research Fields Source Classification Cancer	Estrogen Receptor/ERR Autophagy Mitophagy Apoptosis HIV Parasite Endogenous Metabolite
Kaempferol (Kempferol), a flavonoid found in many edible plants, inhibits estrogen receptor α expression in breast cancer cells and induces apoptosis in glioblastoma cells and lung cancer cells by activation of MEK-MAPK. Kaempferol can be uesd for the research of breast cancer .

HY-14248

Letrozole 15+ Cited Publications CGS 20267	Alkaloids Classification of Application Fields Other Alkaloids Plants Compositae Disease Research Fields Source Classification Tephrosia purpurea (L.) Pers. Cancer	Cytochrome P450 Autophagy
Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase, with an IC₅₀ of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer .

HY-16950A

(E/Z)-4-Hydroxytamoxifen 3 Publications Verification Afimoxifene; 4-OHT	Alkaloids Monophenols Classification of Application Fields Other Alkaloids Phenols Endogenous metabolite Disease Research Fields Source Classification Cancer	Estrogen Receptor/ERR Adhesion G Protein-coupled Receptors (AGPCRs) Drug Metabolite
(E/Z)-4-Hydroxytamoxifen (Afimoxifene) is a racemic compound of (Z)-4-Hydroxytamoxifen and (E)-4-Hydroxytamoxifen isomers. (E/Z)-4-Hydroxytamoxifen is a selective estrogen receptor modulator with mixed estrogenic and antiestrogenic activity, which is also an active metabolite of Tamoxifen (HY-13757A). (E/Z)-4-Hydroxytamoxifen is an agonist of the G protein-coupled estrogen receptor (GPER) with relatively low affinity (100-1000 nM). (E/Z)-4-Hydroxytamoxifen is promising for research of cyclical mastalgia, such as breast pain, tenderness, and nodularity .

HY-B0234

Estrone 5+ Cited Publications E1; Oestrone	Monophenols Microorganisms Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Steroids Source Classification Cancer	Estrogen Receptor/ERR Endogenous Metabolite
Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-B0216

Ethinylestradiol 5 Publications Verification Ethynyl estradiol; 17α-Ethynylestradiol	Structural Classification Monophenols Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Steroids Source Classification Cancer	Environmental Pollutants Endogenous Metabolite Estrogen Receptor/ERR
Ethinylestradiol is an orally active steroidal estrogen. Ethinylestradiol is widely used in research on menopausal symptoms, gynecological conditions, and certain hormone-sensitive cancers .

HY-N2371

27-Hydroxycholesterol 5+ Cited Publications 27-OHC	Structural Classification Classification of Application Fields Disease markers Nervous System Disorder Endogenous metabolite Disease Research Fields Cardiovascular System Disorder Steroids Source Classification Cancer	Estrogen Receptor/ERR LXR Endogenous Metabolite
27-Hydroxycholesterol (27-OHC) is a selective estrogen receptor modulator and an agonist of the liver X receptor.

HY-N0377

Liquiritigenin 10+ Cited Publications 4',7-Dihydroxyflavanone	Neurological Disease Classification of Application Fields Plants Flavonoids Microorganisms Leguminosae Flavonones Phenols Polyphenols Inflammation/Immunology Disease Research Fields Glycyrrhiza uralensis Fisch. Source Classification	Estrogen Receptor/ERR
Liquiritigenin, a flavanone isolated from Glycyrrhiza uralensis, is a highly selective estrogen receptor β (ERβ) agonist with an EC₅₀ of 36.5 nM for activation of the ERE tk-Luc.

HY-113293B

Estrone sulfate sodium 3 Publications Verification	Structural Classification Classification of Application Fields Endogenous metabolite Disease Research Fields Steroids Source Classification Cancer	Endogenous Metabolite Estrogen Receptor/ERR
Estrone sulfate sodium is an inactive endogenous estrogen that can be converted into Estrone (HY-B0234) and Estradiol (HY-B0141). Estrone sulfate sodium is also a substrate of the OATP1B3 transporter. Estrone sulfate sodium can be converted into Estrone and Estradiol in normal mammary parenchymal cells. Estrone sulfate sodium stimulates the growth of nitrosomethylurea-induced mammary tumors in ovariectomized rats and the colony formation of dispersed nitrosomethylurea mammary cells, with conversion into Estrone and Estradiol occurring both in vivo and in vitro during this process. Estrone sulfate sodium is applicable to breast cancer-related research .

HY-13738A

Raloxifene hydrochloride 15+ Cited Publications Keoxifene hydrochloride; LY156758; LY139481 hydrochloride	Alkaloids Piperidine Alkaloids Classification of Application Fields Rutaceae Phenols Polyphenols Plants Disease Research Fields Tetradium ruticarpum (A. Jussieu) T. G. Hartley Endocrinology Source Classification Cancer	Estrogen Receptor/ERR Autophagy
Raloxifene hydrochloride (Keoxifene hydrochloride) is a second generation selective and orally active estrogen receptor modulator. Raloxifene hydrochloride produces estrogen-agonistic effects on bone and lipid metabolism and estrogen-antagonistic effects on uterine endometrium and breast tissue .

HY-14589

Chrysin 10+ Cited Publications 5,7-Dihydroxyflavone	Classification of Application Fields Flavones Plants Oroxylum indicum (Linn.) Bentham ex Kurz Endogenous metabolite Human Gut Microbiota Metabolites Flavonoids Phenols Polyphenols Bignoniaceae Disease Research Fields Source Classification Cancer	Estrogen Receptor/ERR
Chrysin is one of the most well known *estrogen* blockers.

HY-103447

Zearalenone 5+ Cited Publications Mycotoxin F2; Toxin F2	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Other Diseases Phenols Polyphenols Disease Research Fields Source Classification	Estrogen Receptor/ERR
Zearalenone is a mycotoxin produced mainly by fungi belonging to the genus Fusarium in foods and feeds. Possess oestrogenic activity in pigs, cattle and sheep, with low acute toxicity. Causes precocious development of mammae and other estrogenic effects in young gilts .

HY-100583

(-)-(S)-Equol 2 Publications Verification	Structural Classification Flavonoids Neurological Disease Classification of Application Fields Flavanols Phenols Polyphenols Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Estrogen Receptor/ERR Endogenous Metabolite
(-)-(S)-Equol is a high affinity ligand for estrogen receptor β with a K_i of 0.73 nM.

HY-B0141A

Alpha-Estradiol Alfatradiol; Epiestradiol; Epiestrol	Monophenols Classification of Application Fields Anti-aging Disease markers Phenols Endocrine diseases Endogenous metabolite Inflammation/Immunology Disease Research Fields Steroids Source Classification	5 alpha Reductase Endogenous Metabolite Bacterial
Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.

HY-N0250

Saikosaponin D 5+ Cited Publications	Infection Triterpenes Classification of Application Fields Terpenoids Umbelliferae Plants Inflammation/Immunology Disease Research Fields Carphephorus corymbosus (Nutt.) Torr. & A.Gray Source Classification	STAT NF-κB Estrogen Receptor/ERR Bacterial
Saikosaponin D is a triterpene saponin isolated from Bupleurum, with anti-inflammatory, anti-bacterial, anti-tumor, and anti-allergic activities; Saikosaponin D inhibits selectin, STAT3 and NF-kB and activates estrogen receptor-β.

HY-N0587

Demethylzeylasteral 5+ Cited Publications	Triterpenes Structural Classification Classification of Application Fields Terpenoids Celastraceae Tripterygium wilfordii Hook. f. Plants Inflammation/Immunology Disease Research Fields Source Classification	Apoptosis TGF-beta/Smad Estrogen Receptor/ERR NF-κB FAK
Demethylzeylasteral is an orally active triterpenoid compound isolated from Tripterygium wilfordii, which has functions such as anti-inflammatory, anti-tumor, anti fertility, estrogen metabolism regulation, immune suppression, and immune system regulation ^[1][2].

HY-N0835

(20S)-Protopanaxatriol 1 Publications Verification 20(S)-APPT; g-PPT	Panax ginseng C. A. Meyer Cardiovascular Disease Triterpenes Classification of Application Fields Terpenoids Plants Disease Research Fields Araliaceae Source Classification	Glucocorticoid Receptor Estrogen Receptor/ERR LXR Apoptosis
(20S)-Protopanaxatriol is a metabolite of ginsenoside. (20S)-Protopanaxatriol works through the glucocorticoid receptor (GR) and estrogen receptor (ER), and is also a LXRα inhibitor. (20S)-Protopanaxatriol shows a broad spectrum of antitumor effects .

HY-B0412

Estriol 5 Publications Verification Oestriol	Monophenols Immune System Disorder Classification of Application Fields Disease markers Phenols Endocrine diseases Endogenous metabolite Disease Research Fields Steroids Cancer Source Classification	Estrogen Receptor/ERR Endogenous Metabolite
Estriol (Oestriol), an orally active estrogen, is a ERα and ERβ agonist. Estriol is a potent GPR30 antagonist in estrogen receptor-negative breast cancer cells. Estriol can ameliorate disease severity through immunomodulatory mechanisms that decrease tissue inflammation. Estriol has powerful proconvulsant effects .

HY-N0233

Bavachin 10+ Cited Publications Corylifolin	Flavonoids Classification of Application Fields Leguminosae Flavonones Phenols Polyphenols Psoralea corylifolia L. Plants Disease Research Fields Source Classification Cancer	Estrogen Receptor/ERR
Bavachin, a flavonoid first isolated from seeds of P. corylifolia, acts as a phytoestrogen that activates the estrogen receptors ERα and ERβ with EC₅₀s of 320 and 680 nM, respectively.

HY-124489

2-Hydroxyestradiol 2 Publications Verification	Classification of Application Fields Phenols Polyphenols Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	Endogenous Metabolite
2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity .

HY-15731

Estetrol	Cardiovascular Disease Monophenols Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Steroids Source Classification	Estrogen Receptor/ERR Endogenous Metabolite NO Synthase
Estetrol, an orally active estrogen synthesized exclusively during pregnancy by the human fetal liver, is a selective nuclear estrogen receptor modulator. Estetrol binds ERα as well as ERβ (with a fourfold lower affinity). Estetrol increases eNOS expression/activity and NO synthesis in endothelial cells. Estetrol exerts estrogenic actions on the endometrium or the central nervous system but presents antagonistic effects on the breast. Estetrol can be used in contraception and menopausal hormone research .

HY-N7128

Flavanone 1 Publications Verification	Flavonoids Classification of Application Fields Leguminosae Flavonones Sophora flavescens Aiton Plants Disease Research Fields Source Classification Cancer	Cytochrome P450 ERK p38 MAPK NF-κB MMP PAI-1
Flavanone is a naturally occurring flavone. Flavanone has inhibitory activity for human estrogen synthetase (aromatase). Flavanone is the inhibitor for ERK/p38/NF-κB signaling pathway. Flavanone exhibits oral activity and antitumor efficacy .

HY-133668

Monoethyl phthalate	Other disease Disease markers Endogenous metabolite	Drug Metabolite Cytochrome P450 PPAR
Monoethyl phthalate is an orally active PDX-1 activator and the major hydrolytic metabolite of Diethyl phthalate (HY-Y0284) in vivo, with reproductive toxicity. Monoethyl phthalate targets aromatase (aromatase/CYP19A1) and PPAR to induce cell proliferation. The plasma protein binding rate of Monoethyl phthalate in rats and humans is lower than that of Diethyl phthalate. It exhibits significant enterohepatic circulation in rats and mainly accumulates in liver tissues. Monoethyl phthalate shows no estrogenic activity in estrogen-dependent human breast cancer cells. Monoethyl phthalate can be used in studies of reproductive toxicity and related environmental endocrine disruption mechanisms .

HY-108692

Enterolactone	Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Lignans Phenylpropanoids Endogenous metabolite Disease Research Fields Source Classification Cancer	Apoptosis Endogenous Metabolite
Enterolactone is a bioactive phenolic metabolite known as a mammalian lignan derived from dietary lignans. Enterolactone has estrogenic properties and anti-breast cancer activity . Enterolactone is a radiosensitizer for human breast cancer cell lines through impaired DNA repair and increased apoptosis .

HY-N0012

Glycitin 5+ Cited Publications Glycitein 7-O-β-glucoside	Infection Monophenols Flavonoids Classification of Application Fields Leguminosae Glycine max (L.) merr Phenols Plants Disease Research Fields Isoflavones Source Classification	Bacterial
Glycitin (Glycitein 7-O-β-glucoside) is a natural isoflavone with antibacterial, antiviral, anticancer, anti-inflammation, anti-aging and estrogenic effects. Glycitin may regulate osteoblasts through TGF-β or AKT signaling pathways in bone marrow stem cells (BMSCs) .

HY-B0234R

Estrone (Standard) 5+ Cited Publications E1(Standard); Oestrone (Standard)	Structural Classification Monophenols Microorganisms Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Steroids Source Classification Cancer	Reference Standards Estrogen Receptor/ERR Endogenous Metabolite
Estrone (Standard) is the analytical standard of Estrone. This product is intended for research and analytical applications. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-B1100

Estradiol cypionate 10+ Cited Publications	Classification of Application Fields Disease Research Fields Cancer	Estrogen Receptor/ERR Apoptosis
Estradiol cypionate is the 17β-cypionate ester of Estradiol, which inhibits ET-1 synthesis by acting on estrogen receptors .

HY-W013935

Bisphenol B	Classification of Application Fields Phenols Polyphenols Endogenous metabolite Disease Research Fields Endocrinology Source Classification	Endogenous Metabolite Estrogen Receptor/ERR Reactive Oxygen Species (ROS)
Bisphenol B is a close structural analog of Bisphenol A (BPA) (HY-18260). Bisphenol B is a potent, orally active endocrine disruptor (ED). Bisphenol B binds to G protein-coupled estrogen receptor (GPER) (IC₅₀ = 3.3 μM) with higher affinity and agonistic activity than BPA. Bisphenol B promotes GPER mediated cell migration. Bisphenol B exerts estrogenic effects via GPER pathway at nanomolar concentration. Bisphenol B is used in the manufacture of polycarbonate resin with ED properties .

HY-N1581

Quassin Nigakilactone D	Triterpenes Simaroubaceae Classification of Application Fields Terpenoids Plants Disease Research Fields Picrasma quassioides(D．Don)Benn． Endocrinology Source Classification	Parasite
Quassin (Nigakilactone D) is a bioactive triterpenoid from stem bark extract of Quassia amara. Quassin inhibits *P. falciparum* with an IC₅₀ of 0.15 μM. Quassin possesses reversible antifertility, anti-estrogenic and anti-plasmodial activity .

HY-129987

Estradiol 17-(β-D-Glucuronide) sodium	Structural Classification Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Endocrinology Steroids Source Classification	Endogenous Metabolite P-glycoprotein
Estradiol 17-(β-D-Glucuronide) sodium is a D-ring glucuronide metabolite of natural estrogen formed in the liver. Estradiol 17-(β-D-Glucuronide) sodium is a substrate of the organic anion-transporting polypeptide family (Oatp) and multidrug resistance-associated protein 2 (Mrp2). Estradiol 17-(β-D-Glucuronide) sodium regulates MRP8-mediated transport processes and inhibits MRP8-mediated transport of dehydroepiandrosterone 3-sulfate and taurocholic acid. Estradiol 17-(β-D-Glucuronide) sodium induces immediate, reversible reduction of bile flow and acute intrahepatic cholestasis in female rats without altering the bile acid composition in bile. Estradiol 17-(β-D-Glucuronide) sodium can be used in studies related to intrahepatic cholestasis .

HY-N6714

Alternariol	Infection Microorganisms Classification of Application Fields Phenols Polyphenols Disease Research Fields Source Classification	Topoisomerase Androgen Receptor Estrogen Receptor/ERR Apoptosis
Alternariol is an orally ingested mycotoxin produced by Alternaria, capable of inhibiting the activity of topoisomerase I and II (topoisomerase I, topoisomerase II). Alternariol has weak estrogenic (Estrogen Receptor/ERR) and androgen/antiandrogen (Androgen Receptor) effects. Alternariol can induce apoptosis, trigger cell cycle arrest, suppress innate immune responses, and exhibit anti-tumor activity. Alternariol has genotoxic, mutagenic, and endocrine-disrupting effects .

HY-W353102

Estradiol 17-(β-D-Glucuronide)	Structural Classification Monophenols Classification of Application Fields Phenols Metabolic Disease Endogenous metabolite Disease Research Fields Endocrinology Steroids Source Classification	Endogenous Metabolite P-glycoprotein
Estradiol 17-(β-D-Glucuronide) is a D-ring glucuronide metabolite of natural estrogen formed in the liver. Estradiol 17-(β-D-Glucuronide) is a substrate of the organic anion-transporting polypeptide family (Oatp) and multidrug resistance-associated protein 2 (Mrp2). Estradiol 17-(β-D-Glucuronide) regulates MRP8-mediated transport processes and inhibits MRP8-mediated transport of dehydroepiandrosterone 3-sulfate and taurocholic acid. Estradiol 17-(β-D-Glucuronide) induces immediate, reversible reduction of bile flow and acute intrahepatic cholestasis in female rats without altering the bile acid composition in bile. Estradiol 17-(β-D-Glucuronide) can be used in studies related to intrahepatic cholestasis .

HY-B0652

Etonogestrel 3-Oxodesogestrel; 3-keto-Desogestrel	Classification of Application Fields Endogenous metabolite Disease Research Fields Endocrinology Steroids Source Classification	Drug Metabolite Estrogen Receptor/ERR Progesterone Receptor Endogenous Metabolite FKBP
Etonogestrel (3-Oxodesogestrel), a biologically active metabolite of progestin Desogestrel, binds with high affinity to progesterone receptors and estrogen receptors in the target organs . Etonogestrel induce FKBP51 mRNA and protein expression in cultured human endometrial stromal cells (HESCs) .

HY-N0791

Tectoridin 1 Publications Verification	Flavonoids Flavones Leguminosae Maackia amurensis Rupr. et Maxim. Plants	Estrogen Receptor/ERR
Tectoridin is a isoflavone isolated from Maackia amurensis. Tectoridin is a phytoestrogen and activates estrogen and thyroid hormone receptors. Tectoridin exerts the estrogenic effects via ER-dependent genomic pathway and GPR30-dependent nongenomic pathway .

HY-N0553

Gypenoside XVII 3 Publications Verification Gynosaponin S	Cardiovascular Disease Triterpenes Classification of Application Fields Terpenoids Cucurbitaceae Plants Endogenous metabolite Gynostemma pentaphyllum (Thunb.) Makino Disease Research Fields Source Classification	Estrogen Receptor/ERR Endogenous Metabolite
Gypenoside XVII, a novel phytoestrogen belonging to the gypenosides, can activate estrogen receptors.

HY-B1405

Dehydroisoandrosterone 3-acetate 1 Publications Verification Dehydroepiandrosterone 3-acetate; DHEA acetate	Classification of Application Fields Disease Research Fields Cancer	Androgen Receptor
Dehydroepiandrosterone 3-acetate is a testosterone/estrogen precursor and known modulator of vertebrate aggression.

HY-B1941

4-tert-Octylphenol 2 Publications Verification	Monophenols Neurological Disease Classification of Application Fields Phenols Endogenous metabolite Disease Research Fields Endocrinology Source Classification	Endogenous Metabolite Apoptosis DNA/RNA Synthesis
4-tert-Octylphenol, a endocrine-disrupting chemical, is an *estrogenic* agent. 4-tert-Octylphenol is also a biodegradation product of non-ionic surfactants alkylphenol polyethoxylates. 4-tert-Octylphenol induces apoptosis in neuronal progenitor cells in offspring mouse brain. 4-tert-Octylphenol reduces bromodeoxyuridine (BrdU), mitotic marker Ki67, and phospho-histone H3 (p-Histone-H3), resulting in a reduction of neuronal progenitor proliferation. 4-tert-Octylphenol disrupts brain development and behavior in mice, which is promising for reserch of immune response, neuro-related diseases and ethology .

HY-126109

(±)-8-Prenylnaringenin	Structural Classification Flavonoids Humulus lupulus L. Flavonones Plants Moraceae Source Classification	Estrogen Receptor/ERR Apoptosis
(±)-8-Prenylnaringenin, a natural prenylated flavonoid, is a potent phytoestrogen. (±)-8-Prenylnaringenin is an orally active selective estrogen receptor modulator (SERM) (Estrogen Receptor/ERR) that inhibits ERα and ERβ with IC₅₀s of 57 nM and 68 nM, respectively. (±)-8-Prenylnaringenin has anticancer effects, and can be used for osteoporosis research .

HY-125703

Ferutinin	Viguiera dentata (Cav.) Spreng. Infection Classification of Application Fields Terpenoids Sesquiterpenes Umbelliferae Plants Disease Research Fields Endocrinology Source Classification Cancer	Estrogen Receptor/ERR Apoptosis
Ferutinin, a natural terpenoid compound, is an estrogen receptor ERα agonist and estrogen ERβ-receptor agonist/antagonist with IC₅₀s of 33.1 nM and 180.5 nM, respectively. Ferutinin acts as an electrogenic Ca ²⁺-ionophore that increases calcium permeability of lipid bilayer membranes, mitochondria. Ferutinin possesses estrogenic, antitumor, antibacterial and antiinflammatory activities .

HY-14248R

Letrozole (Standard) CGS 20267 (Standard)	Alkaloids Other Alkaloids Plants Compositae Source Classification Tephrosia purpurea (L.) Pers.	Cytochrome P450 Reference Standards Autophagy
Letrozole (Standard) is the analytical standard of Letrozole. This product is intended for research and analytical applications. Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase, with an IC50 of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer .

HY-113252

2-Methoxyestrone 3 Publications Verification	Monophenols Microorganisms Classification of Application Fields Disease markers Phenols Endocrine diseases Metabolic Disease Nervous System Disorder Endogenous metabolite Disease Research Fields Steroids Source Classification	Endogenous Metabolite
2-Methoxyestrone is a methoxylated catechol estrogen and metabolite of estrone, with a pKa of 10.81.

HY-B1361

Estropipate Piperazine estrone sulfate; Estrone sulfate piperazine salt	Classification of Application Fields Endogenous metabolite Disease Research Fields Endocrinology Steroids Source Classification	Estrogen Receptor/ERR
Estropipate is a form of estrogen, used to treat symptoms of menopause, also used to prevent osteoporosis.

HY-N7501

Isoformononetin 1 Publications Verification	Flavonoids Monophenols Classification of Application Fields Leguminosae Glycine max (L.) merr Phenols Plants Disease Research Fields Inflammation/Immunology Isoflavones Source Classification	Others
Isoformononetin is an analog of Daidzein (HY-N0019) and has immunoprotective effects. Isoformononetin inhibits the differentiation of Th17 and B-cells lymphopoesis to promote osteogenesis in estrogen-deficient bone loss conditions .

HY-B0141AR

Alpha-Estradiol (Standard) Alfatradiol(Standard); Epiestradiol(Standard); Epiestrol (Standard)	Structural Classification Classification of Application Fields Anti-aging Disease markers Phenols Endocrine diseases Endogenous metabolite Inflammation/Immunology Disease Research Fields Steroids Source Classification	Reference Standards 5 alpha Reductase Endogenous Metabolite Bacterial
Alpha-Estradiol (Standard) is the analytical standard of Alpha-Estradiol. This product is intended for research and analytical applications. Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.

HY-N4121

Isocurcumenol 1 Publications Verification	other families Classification of Application Fields Terpenoids Sesquiterpenes Plants Disease Research Fields Source Classification Cancer	Estrogen Receptor/ERR Apoptosis
Isocurcumenol, an estrogen receptor alpha (ERα) inhibitor isolated from Curcuma zedoaria Rhizomes, possesses anti-tumor acticity, with IC₅₀ values of 99.1μg/mL and 178.2 μg/mL in DLA and KB cells, respectively .

HY-N11707

Piscidic acid	Cactaceae Ketones, Aldehydes, Acids Opuntia ficus-indica (L.) Mill. Plants Source Classification	Others
Piscidic acid is an ester compound derived from Cimicifuga racemosa. Piscidic acid has in vitro estrogen activity .

HY-13738AR

Raloxifene hydrochloride (Standard) 5+ Cited Publications Keoxifene hydrochloride(Standard); LY156758(Standard); LY139481 hydrochloride (Standard)	Alkaloids Classification of Application Fields Rutaceae Phenols Plants Disease Research Fields Tetradium ruticarpum (A. Jussieu) T. G. Hartley Endocrinology Source Classification Cancer	Reference Standards Estrogen Receptor/ERR Autophagy
Raloxifene (hydrochloride) (Standard) is the analytical standard of Raloxifene (hydrochloride). This product is intended for research and analytical applications. Raloxifene hydrochloride (Keoxifene hydrochloride) is a second generation selective and orally active estrogen receptor modulator. Raloxifene hydrochloride produces estrogen-agonistic effects on bone and lipid metabolism and estrogen-antagonistic effects on uterine endometrium and breast tissue .

HY-N2026A

Propylparaben sodium 1 Publications Verification Propyl parahydroxybenzoate sodium; Propyl 4-hydroxybenzoate sodium	Infection Structural Classification Natural Products Classification of Application Fields Cosmetic Research Endogenous metabolite Disease Research Fields Source Classification	Estrogen Receptor/ERR
Propylparaben sodium is an orally active weak estrogen receptor agonist. Propylparaben sodium regulates the PI3K-AKT and JNK signaling pathways, induces oxidative stress, and alters the estrous cycle, hormone levels and ovarian reserve function. Propylparaben sodium inhibits the growth of antral follicles and alters the accumulation of steroid hormones in follicle culture media. Propylparaben sodium can be used in studies related to ovarian aging and myocardial ischemia-reperfusion injury[1][2][3][4][5].

HY-14589R

Chrysin (Standard) 5,7-Dihydroxyflavone (Standard)	Structural Classification Human Gut Microbiota Metabolites Flavonoids Flavones Phenols Polyphenols Bignoniaceae Plants Oroxylum indicum (Linn.) Bentham ex Kurz Endogenous metabolite Source Classification	Reference Standards Estrogen Receptor/ERR
Chrysin (Standard) is the analytical standard of Chrysin. This product is intended for research and analytical applications. Chrysin is one of the most well known estrogen blockers.

HY-100583R

(-)-(S)-Equol (Standard)	Structural Classification Flavonoids Flavanols Phenols Polyphenols Endogenous metabolite Source Classification	Reference Standards Estrogen Receptor/ERR Endogenous Metabolite
(-)-(S)-Equol (Standard) is the analytical standard of (-)-(S)-Equol. This product is intended for research and analytical applications. (-)-(S)-Equol is a high affinity ligand for estrogen receptor β with a Ki of 0.73 nM.

Cat. No.	Product Name	Chemical Structure

HY-B0141S2

Estradiol-d5
Estradiol-d₅ is deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway .

HY-B0141S1

Estradiol-d4 2 Publications Verification
Estradiol-d₄ is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway .

HY-B0141S

Estradiol-d3
Estradiol-d₃ is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway.

HY-B0234S2

Estrone-d4
Estrone-d₄ is the deuterium labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-W011927S

4,4'-Sulfonyldiphenol-d8

1 Publications Verification

4,4'-Sulfonyldiphenol-d₈ (Bisphenol S (4,4'-Sulfonyldiphenol)-d₈) is the deuterium labeled 4,4'-Sulfonyldiphenol (HY-W011927).4,4'-Sulfonyldiphenol (Bisphenol S; Bis(4-hydroxyphenyl) sulfone), a substitute for Bisphenol A (HY-18260), is widely used in industrial and consumer products. 4,4'-Sulfonyldiphenol is an estrogen receptor (ER) agonist and can competitively bind to thyroid hormone receptors (TR) with IC₅₀ values for TRα and TRβ are 2650 μM and 2294 μM respectively, thereby affecting breast development and reducing the expression of androgen receptor (AR) in fetal testes. 4,4'-Sulfonyldiphenol promotes the progression of glioblastoma by upregulating the EZH2 mediated PI3K/AKT/mTOR pathway. Under chronic exposure, 4,4'-Sulfonyldiphenol can cause significant lipid deposition and dyslipidemia in the mouse liver by upregulating JunB and Atf3, and has a role in causing obesity at low doses. 4,4'-Sulfonyldiphenol induces intestinal inflammation by altering the intestinal microbiome. 4,4'-Sulfonyldiphenol accelerates the progression of atherosclerosis in zebrafish embryo larvae.

HY-B0891S

17α-Hydroxyprogesterone-d8
17α-Hydroxyprogesterone-d₈ is the deuterium labeled 17α-Hydroxyprogesterone. 17α-Hydroxyprogesterone (17-Hydroxyprogesterone) is an endogenous progestogen as well as chemical intermediate in the biosynthesis of other steroid hormones, including the corticosteroids and the androgens and the estrogens.

HY-W654077

Bisphenol AF-d4
Bisphenol AF-d₄ is the isotope labelled analog of Bisphenol AF (HY-W013782). Bisphenol AF is a full agonist for the estrogen receptor. Bisphenol AF acts as an endocrine-disrupting chemical (EDC), activating estrogen through the estrogen receptor Era. Bisphenol AF-d₄ can be used for the research of endocrinology and cancer .

HY-13757AS

Tamoxifen-d5
Tamoxifen-d₅ is a deuterium labeled Tamoxifen. Tamoxifen (ICI 47699) is an orally active, selective estrogen receptor modulator (SERM). Tamoxifen is a potent Hsp90 activator and enhances the Hsp90 molecular chaperone ATPase activity .

HY-14598S

Diethylstilbestrol-d8
Diethylstilbestrol-d₈ is the deuterium labeled Diethylstilbestrol. Diethylstilbestrol, a synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders .

HY-B0141S3

Estradiol-d2
Estradiol-d₂ is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway .

HY-B0141S5

Estradiol-13C2
Estradiol- ¹³C₂ is the ¹³C-labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway .

HY-14248S

Letrozole-d4
Letrozole-d₄ (CGS 20267-d₄) is the deuterium labeled Letrozole. Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase, with an IC₅₀ of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer .

HY-B0412S

Estriol-d2
Estriol-d₂ is the deuterium labeled Estriol. Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.

HY-B0412S2

Estriol-d3
Estriol-d₃ is the deuterium labeled Estriol. Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.

HY-B0234S1

Estrone-d2
Estrone-d₂ is the deuterium labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-B0234S

Estrone-13C3
Estrone- ¹³C₃ is the ¹³C-labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-141901S1

DHEA-d5

DHEA-d₅ (Prasterone-d₅; Dehydroisoandrosterone-d₅; Dehydroepiandrosterone-d₅) is the deuterium labeled DHEA (HY-14650). DHEA (Prasterone) is one of the most abundant steroid hormones. DHEA (Prasterone) mediates its action via multiple signaling pathways involving specific membrane receptors and via transformation into androgen and estrogen derivatives (e.g., androgens, estrogens, 7α and 7β DHEA, and 7α and 7β epiandrosterone derivatives) acting through their specific receptors.

HY-18719ES

Endoxifen-d5
Endoxifen-d₅ is the deuterium labeled Endoxifen. Endoxifen is a key active metabolite of tamoxifen (TAM) with higher affinity and specificity to estrogen receptor that also inhibits aromatase activity. Endoxifen has the potential for breast cancer study .

HY-B0891S1

17α-Hydroxyprogesterone-13C3
17α-Hydroxyprogesterone- ¹³C₃ is the ¹³C-labeled 17α-Hydroxyprogesterone. 17α-Hydroxyprogesterone (17-Hydroxyprogesterone) is an endogenous progestogen as well as chemical intermediate in the biosynthesis of other steroid hormones, including the corticosteroids and the androgens and the estrogens.

HY-16950BS

(E)-4-Hydroxytamoxifen-d5
(E)-4-Hydroxytamoxifen-d5 ((E)-Afimoxifene-d5) is the deuterium labeled (E)-4-Hydroxytamoxifen. (E)-4-Hydroxytamoxifen ((E)-Afimoxifene), the less active isomer of (Z)-4-hydroxytamoxifen, is an estrogen receptor modulator.

HY-W777284

Zeranol-d5 (mixture of diastereomers)
Zeranol-d₅ (mixture of diastereomers) is the deuterium labeled Zeranol (HY-N6709). Zeranol, a metabolite of the mycoestrogen zearalenone, is an estrogen receptor agonist. Zeranol is used as a growth promoter of livestock due to its strong estrogenic activity .

HY-138642S

Vepdegestrant-d5

Vepdegestrant-d₅ (ARV-471-d₅) is the deuterium labeled Vepdegestrant (HY-138642). Vepdegestrant (ARV-471) is an orally active PROTAC estrogen receptor degrader against breast cancer. Vepdegestrant is a hetero-bifunctional molecule that facilitates the interactions between estrogen receptor alpha and an intracellular E3 ligase complex. Vepdegestrant leads to the ubiquitylation and subsequent degradation of estrogen receptors via the proteasome. Vepdegestrant robustly degrades ER in ER-positive breast cancer cell lines with a DC₅₀ of about 2 nM .

HY-B0141AS1

Alpha-Estradiol-d2
Alpha-Estradiol-d₂ is the deuterium labeled Alpha-Estradiol. Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia .

HY-118861S

Enclomiphene-d4 hydrochloride
Enclomiphene-d₄ ((E)-Clomiphene-d₄) hydrochloride?is a deuterium labeled Enclomiphene hydrochloride (HY-118861B). Enclomiphen hydrochloride?is a potent and orally active?estrogen receptor?antagonist with antioestrogenic property .

HY-A0287S

Clomiphene-d5 hydrochloride

Clomifene (Clomifene; (Z/E)-Enclomiphene; (Z/E)-Enclomifene)-d₅ hydrochloride is a deuterium labeled Clomifene hydrochloride (HY-A0287A). Clomiphene hydrochloride is an orally active ovulation-inducing agent. Clomiphene hydrochloride binds to hypothalamic estrogen receptors to elevate FSH levels, and exhibits antiestrogenic or estrogenic properties. Clomiphene hydrochloride can induce erturbations during meiotic maturation and cytogenetic abnormalities in mouse oocytes. Clomiphene hydrochloride ameliorates memory impairment in PCOS models. Clomiphene hydrochloride mobilizes cytosolic calcium and reduces viability in prostate cancer cells. Clomiphene hydrochloride can be used for the research of polycystic ovary syndrome (PCOS) and prostate cancer .

HY-W766497

Alpha-Zearalenol-d7
Alpha-Zearalenol-d₇ is the deuterium labeled α-Zearalenol (HY-N6710). α-Zearalenol is a Mycotoxin with high affinity for the estrogen receptors (ER). α-Zearalenol is the derivative of zearalenone (ZEN), causes reproductive disorders in animals, due to its xenoestrogenic effects .

HY-103447S

(Rac)-Zearalenone-d6
(Rac)-Zearalenone-d₆ is the deuterium labled Zearalenone (HY-103447). Zearalenone is a mycotoxin produced mainly by fungi belonging to the genus Fusarium in foods and feeds. Possess oestrogenic activity in pigs, cattle and sheep, with low acute toxicity. Causes precocious development of mammae and other estrogenic effects in young gilts .

HY-W011926S

Diisopropyl phthalate-d4
Diisopropyl phthalate-d₄ (DiPP-d₄) is the deuterium labeled Diisopropyl Phthalate (HY-W011926). Diisopropyl phthalate (DiPP) is a phthalate diester, which is widely used as an additive in plastics and consumer products. Diisopropyl phthalate has a weak binding ability to the recombinant human estrogen receptor, with an IC₅₀ of 41000 μM .

HY-13757S

Tamoxifen-d3 hydrochloride

Tamoxifen-d₃ hydrochloride is deuterated labeled Tamoxifen (Citrate) (HY-13757). Tamoxifen Citrate (ICI 46474) is an orally active, selective estrogen receptor modulator (SERM) which blocks estrogen action in breast cells and can activate estrogen activity in other cells, such as bone, liver, and uterine cells .Tamoxifen Citrate is a potent Hsp90 activator and enhances the Hsp90 molecular chaperone ATPase activity. Tamoxifen Citrate also potent inhibits infectious EBOV Zaire and Marburg (MARV) with IC₅₀ of 0.1 μM and 1.8 μM, respectively . Tamoxifen Citrate activates autophagy and induces apoptosis .Tamoxifen Citrate also can induce gene knockout of CreER(T2) transgenic mouse .

HY-B0412S3

Estriol-13C3
Estriol- ¹³C₃ is the ¹³C-labeled Estriol. Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.

HY-76737S

4-Chlorodiphenyl ether-d5
4-Chlorodiphenyl ether-d₅ (4-CDE-d₅) is the deuterium labeled 4-Chlorodiphenyl ether. 4-Chlorodiphenyl ether is an estrogen-mimicking active compound. 4-Chlorodiphenyl ether maintains the survival of endometriotic cysts and exhibits estrogenic activity associated with the growth of endometriotic implants. 4-Chlorodiphenyl ether can be used in research related to endometriosis.

HY-19822S

Elacestrant-d4
Elacestrant-d₄ (RAD1901-d₄) is a deuterated labeled Elacestrant (HY-19822). Elacestrant (RAD1901) is a selective estrogen receptor (estrogen receptor, ER) degrader (SERD) with oral activity, with IC₅₀ values of 48 and 870 nM for ERα and ERβ, respectively. Elacestrant can also effectively inhibit the growth of ER ⁺ breast cancer cell lines both in vitro and in vivo.

HY-118861S1

Enclomiphene-d4
Enclomiphene-d₄ ((E)-Clomiphene-d₄) is a deuterium labeled Enclomiphene. Enclomiphen?is a potent and orally active?estrogen receptor?antagonist with antioestrogenic property .

HY-W653896

Alternariol-d2

Alternariol-d₂ is deuterium labeled Alternariol. Alternariol is an orally ingested mycotoxin produced by Alternaria, capable of inhibiting the activity of topoisomerase I and II (topoisomerase I, topoisomerase II). Alternariol has weak estrogenic (Estrogen Receptor/ERR) and androgen/antiandrogen (Androgen Receptor) effects. Alternariol can induce apoptosis, trigger cell cycle arrest, suppress innate immune responses, and exhibit anti-tumor activity. Alternariol has genotoxic, mutagenic, and endocrine-disrupting effects .

HY-B0141S4

Estradiol-13C6
Estradiol- ¹³C₆ is the ¹³C-labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway .

HY-B0251S

Eplerenone-d3
Eplerenone-d₃ is the deuterium labeled Eplerenone. Eplerenone (Epoxymexrenone) is a selective, competitive and oreally active aldosterone antagonist with an IC₅₀ of 138 nM. Eplerenone has low affinity for progesterone, androgen, estrogen and glucocorticoid receptors. Eplerenone can be used for hypertension and heart failure after myocardial infarction reserch .

HY-B0652S1

Etonogestrel-d6
Etonogestrel-d₆ is deuterium labeled Etonogestrel. Etonogestrel (3-Oxodesogestrel), a biologically active metabolite of progestin Desogestrel, binds with high affinity to progesterone receptors and estrogen receptors in the target organs . Etonogestrel induce FKBP51 mRNA and protein expression in cultured human endometrial stromal cells (HESCs) .

HY-19822S2

Elacestrant-d10
Elacestrant-d₁₀ is the deuterium labeled of Elacestrant (HY-19822). Elacestrant is an orally available and selective estrogen receptor degrader (SERD) with IC₅₀s of 48 and 870 nM for ERα and ERβ, respectively. Elacestrant also inhibits growth of ER ⁺ breast cancer cell lines in vitro and in vivo .

HY-B0412S1

Estriol-d1
Estriol-d is the deuterium labeled Estriol. Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.

HY-13738S2

Raloxifene-d4 hydrochloride
Raloxifene-d₄ (hydrochloride) is the deuterium labeled Raloxifene. Raloxifene (Keoxifene) is a benzothiophene-derived selective estrogen receptor modulator (SERM). Raloxifene has estrogen-agonistic effects on bone and lipids and estrogen-antagonistic effects on the breast and uterus. Raloxifene is used for breast cancer and osteoporosis research .

HY-13738S

Raloxifene-d4
Raloxifene-d₄ is the deuterium labeled Raloxifene. Raloxifene (Keoxifene) is a benzothiophene-derived selective estrogen receptor modulator (SERM). Raloxifene has estrogen-agonistic effects on bone and lipids and estrogen-antagonistic effects on the breast and uterus. Raloxifene is used for breast cancer and osteoporosis research .

HY-13738S3

Raloxifene-d10
Raloxifene-d₁₀ is the deuterium labeled Raloxifene. Raloxifene (Keoxifene) is a benzothiophene-derived selective estrogen receptor modulator (SERM). Raloxifene has estrogen-agonistic effects on bone and lipids and estrogen-antagonistic effects on the breast and uterus. Raloxifene is used for breast cancer and osteoporosis research .

HY-15731S

Estetrol-d4
Estetrol-d₄ is the deuterium labeled Estetrol. Estetrol, a natural estrogen synthesized exclusively during pregnancy by the human fetal liver, is a selective nuclear estrogen receptor modulator. Estetrol exerts estrogenic actions on the endometrium or the central nervous system but presents antagonistic effects on the breast .

HY-B0723S2

Ospemifene-d5
Ospemifene-d₅ (FC-1271a-d₅) is deuterium labeled Ospemifene. Ospemifene is a non-estrogen selective estrogen receptor modulator (SERM), with K_is of 380 and 410 nM for estrogen receptor α (ERα) and ERβ, respectively. Ospemifene can be used for the research of vaginal atrophy and breast cancer .

HY-N6678S

(Rac)-Zearalanone-d6

(Rac)-Zearalanone-d₆ is the racemate of Zearalanone. Zearalenone is a nonsteroidal estrogenic mycotoxin produced by Fusarium species, which colonizes several grains. Zearalenone has low acute toxicity and carcinogenicity. Due to its agonistic effect on the estrogen receptor, Zearalenone exhibits distinct estrogenic and anabolic properties in several animal species, resulting in severe effects on the reproductive system .

HY-B0316S1

Avobenzone-d3
Avobenzone-d₃ is deuterium labeled Avobenzone. Avobenzone, a dibenzoylmethane compound, is one of the most widely used filters in sunscreens for skin photoprotection in the UVA band. Avobenzone is an endocrine disruptor that directly binds to estrogen receptor β and acts as an *estrogen* agonist .

HY-B0234S4

Estrone-d2-1
Estrone-d₂-1 is the deuterium labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-B0234S3

Estrone-13C2
Estrone- ¹³C₂ is the ¹³C-labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells .

HY-W100026S

Galaxolide-d6 (mixture of diastereomers) (>80%)
Galaxolide-d₆ (mixture of diastereomers) (>80%) is the deuterium labeled Galaxolide (HY-W100026). Galaxolide can induce estrogenic activity (Estrogen Receptor/ERR), trigger oxidative stress and genotoxicity, and induce EROD and GST (Glutathione S-transferase) enzyme activity .

HY-B2158S

Chlorotrianisene-d9
Chlorotrianisene-d₉ is the deuterium labeled Chlorotrianisene. Chlorotrianisene is a long-acting non-steroidal estrogen and an orally active estrogen receptor modulator. Chlorotrianisene exhibits antiestrogenic activity. Chlorotrianisene potently inhibits the enzyme COX-1 and inhibits platelet aggregation in whole blood .

Targets Recommended: Estrogen Receptor/ERR

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N0322GL

Cholesterol (GMP Like)	Liposome Estrogen Receptor/ERR Endogenous Metabolite	Metabolic Disease Cancer
Cholesterol (GMP Like) is Cholesterol (HY-N0322) produced by using GMP like guidelines. GMP Like small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. Cholesterol is the major sterol in mammals. It is making up 20-25% of structural component of the plasma membrane. Plasma membranes are highly permeable to water but relatively impermeable to ions and protons. Cholesterol plays an important role in determining the fluidity and permeability characteristics of the membrane as well as the function of both the transporters and signaling proteins . Cholesterol is also an endogenous estrogen-related receptor α (ERRα) agonist .

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