Cytochrome P450 Activator

Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces CYP1A1 expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections.

MCPA is an orally active phenoxyacetic acid herbicide. MCPA interferes with membrane integrity, energy metabolism (decreases ATP levels), and redox balance in plant cells. MCPA increases hepatic cytochrome P-450 levels and increases aniline hydroxylase and 7-ethoxycoumarin O-deethylase activities. MCPA can be used to control broadleaf weeds.

Quinestrol (W-3566) is an orally effective synthetic estrogen compound that acts on CYP3A4, CYP1A2, and GnRH. Quinestrol interferes with GnRH release and disrupts the hypothalamic-pituitary-ovarian axis. Quinestrol downregulates the gene expression of follicle-stimulating hormone β and luteinizing hormone β, induces oxidative stress, damages reproductive organs, reduces sperm density and motility, increases sperm malformation rate, and alters the levels of sex hormones such as testosterone, luteinizing hormone, estradiol, and progesterone. Quinestrol can be used in studies related to reproductive function regulation.

Potassium 1H-indol-3-yl sulfate-d₄ potassium is the deuterium labeled Potassium 1H-indol-3-yl sulfate. Potassium 1H-indol-3-yl sulfate is a metabolite of tryptophan, produced by intestinal microorganisms and combined with sulfate in the liver before entering the circulatory system. Potassium 1H-indol-3-yl sulfate is a potent endogenous agonist of the aryl hydrocarbon receptor (AhR) and a urinary toxin. Potassium 1H-indol-3-yl sulfate can be used for research on kidney diseases.

GSK2945 hydrochloride is a class of tertiary amine, and is a highly specific Rev-erbα/REV-ERBα (mouse/human reverse erythroblastosis virus α) antagonist with EC₅₀s of 21.5 μM and 20.8 μM, respectively. GSK2945 hydrochloride enhances cholesterol 7α-hydroxylase (CYP7A1) level and cholesterol metabolism.

(3S,5S)-Atorvastatin is a inactive enantiomer of Atorvastatin. (3S,5S)-Atorvastatin can activate pregnane X receptor (PXR). Atorvastatin is an orally active HMG-CoA reductase inhibitor, has the ability to effectively decrease blood lipids.

Fipronil (Standard) is the analytical standard of Fipronil. This product is intended for research and analytical applications. Fipronil is a broad-spectrum insecticide effective against Lepidoptera species as well as thrips, locusts, ants, cockroaches, fleas and ticks. Fipronil selectively inhibits GABA receptor with IC₅₀s of 30 nM and 1600 nM for cockroach and rat GABA receptors, respectively. Glutamate-gated chloride channels (GluCls), which are present in cockroaches but not in mammals, are sensitive to the blocking effect of Fipronil. Fipronil also induces apoptosis in HepG2 cells and promotes the expression of CYP1A1 and CYP3A4 mRNA in human hepatocytes.

1-Hydroxypyrene-d₉ is the deuterium labeled 1-Hydroxypyrene (HY-W014075). 1-Hydroxypyrene, a biomarker of exposure to polycyclic aromatic hydrocarbons (PAHs), is analyzed in urine samples. 1-Hydroxypyrene is the major biomarker of exposure to pyrenes. 1-Hydroxypyrene is the orally active agonist for aryl hydrocarbon receptor (AhR) and can lead to renal fibrosis.

Pretilachlor is a chloroacetamide herbicide with biological activities including endocrine disruption, oxidative stress induction, apoptosis induction, and immunotoxicity. Pretilachlor exerts its effects by interfering with hormone metabolism, inducing oxidative stress, activating apoptotic pathways, and inhibiting immune functions. Pretilachlor upregulates the transcription of P53, Mdm2, and Bbc3, and increases the activities of Caspase3 and Caspase9; it upregulates the transcription of genes in the HPG/HPT axis and the activity of aromatase; it induces oxidative stress, elevates ROS levels, and upregulates CAT, SOD, and GPX. Pretilachlor downregulates the transcription of CXCL-C1C, IL-1β, and IL-8. Pretilachlor disrupts the normal physiological processes and embryonic development of fish, exhibiting significant toxicity. Pretilachlor can be used in studies related to weeding, environmental pollution, and behavioral toxicity in fish.

17-HETE is arachidonic acid metabolite through cytochrome P-450 pathways, which consists of 17R-HETE and 17S-HETE enantiomers. 17-HETE serves as allosteric activator of the cytochrome P450 1B1 and inhibitor of ATPase, induces cardic hypertrophy.

MCPA-d₃ is the deuterium labeled MCPA (HY-B0859). MCPA is an orally active phenoxyacetic acid herbicide. MCPA interferes with membrane integrity, energy metabolism (decreases ATP levels), and redox balance in plant cells. MCPA increases hepatic cytochrome P-450 levels and increases aniline hydroxylase and 7-ethoxycoumarin O-deethylase activities. MCPA can be used to control broadleaf weeds.

Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR).

Fipronil-¹³C₆ is the ¹³C-labeled Fipronil. Fipronil is an insecticide that acts as a selective antagonist of insect GABA receptors (IC50s = 30 nM and 1,600 nM for cockroach and rat receptors, respectively). Fipronil also inhibits desensitizing and non-desensitizing glutamate-induced chloride currents in cockroach neurons (IC50s = 800 nM and 10 nM, respectively). Fipronil induces activity of the cytochrome P450 (CYP) isoforms CYP1A1/2, CYP2B1/2, and CYP3A1/2 in isolated rat liver microsomes.

7-Epi-docetaxel (4-epi-Docetaxel; 7-Epidocetaxel; 7-Epitaxotere) is the major C7 epimeric impurity/in vivo metabolite of Docetaxel (HY-B0011). 7-Epi-docetaxel acts as a potent allosteric activator of rhCYP1B1. 7-Epi-docetaxel exhibits certain cell line-specific anti-migratory activity. 7-Epi-docetaxel can be used in research related to melanoma and lung adenocarcinoma.

Monoethyl phthalate-d₄ is the deuterium labeled Monoethyl phthalate. 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.

CDD3506 is used for elevating high density lipoprotein cholesterol (HDL) by inducing hepatic cytochrome P450IIIA (CYP3A) activity.

CDD3505 is used for elevating high density lipoprotein cholesterol (HDL) by inducing hepatic cytochrome P450IIIA (CYP3A) activity.

GW 610 (NSC 721648), an antitumor agent, is a potent AhR ligand with a K_i of 6.8 nM. GW 610 induces CYP1A1 expression in MCF-7 cells. GW 610 shows potent and selective anticancer activity against lung, colon, and breast cancer cell lines.

GSK2945 is a class of tertiary amine, and is a highly specific Rev-erbα/REV-ERBα (mouse/human reverse erythroblastosis virus α) antagonist with EC₅₀s of 21.5 μM and 20.8 μM, respectively. GSK2945 enhances cholesterol 7α-hydroxylase (CYP7A1) level and cholesterol metabolism.

Revexepride is a highly selective 5-HT4 receptor agonist, and a potential inducer of CYP3A4 enzyme, used for the treatment of gastroesophageal reflux disease.