Search Result

Results for "

histamine release

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Histamine Receptor (64) 5-HT Receptor (6) Acyltransferase (2) Adrenergic Receptor (3) Akt (2) Amyloid-β (5) Apoptosis (1) Autophagy (5) Bacterial (10) Biochemical Assay Reagents (2) Btk (1) Calcium Channel (5) Caspase (1) Cholinesterase (ChE) (10) COX (5) CXCR (6) Cytochrome P450 (3) Dengue Virus (4) Dopamine Receptor (5) Drug Derivative (2) Drug Intermediate (1) Drug Metabolite (2) Endogenous Metabolite (6) Enterovirus (4) Environmental Pollutants (4) ERK (2) FAP (1) Fc Receptor (FcR) (1) Flavivirus (4) GABA Receptor (1) GnRH Receptor (1) GPR35 (1) GSK-3 (5) Influenza Virus (1) Interleukin Related (4) Isotope-Labeled Compounds (14) Itk (2) JNK (2) Leukotriene Receptor (4) Lipoxygenase (4) Mas-related G-protein-coupled Receptor (MRGPR) (1) NF-κB (10) NO Synthase (2) p38 MAPK (3) Parasite (1) PGE synthase (3) Phosphatase (1) Phosphodiesterase (PDE) (4) Phospholipase (1) PI3K (2) Prostaglandin Receptor (4) Reactive Oxygen Species (ROS) (1) Reference Standards (12) Ser/Thr Protease (2) Sodium Channel (1) STAT (1) Target Protein Ligand-Linker Conjugates (1) TNF Receptor (6) Transmembrane Glycoprotein (1)
By Research Areas:	Cancer (18) Cardiovascular Disease (2) Endocrinology (16) Infection (22) Inflammation/Immunology (91) Metabolic Disease (9) Neurological Disease (29)
Oligonucleotides:	Solvents (1)

119

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

Natural
Products

Isotope-Labeled Compounds

Oligonucleotides

Targets Recommended: Histamine Receptor CRAC Channel

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-17043

Loratadine 10+ Cited Publications Loratidine; SCH 29851	Flavivirus Dengue Virus Histamine Receptor	Infection Inflammation/Immunology Endocrinology Cancer
Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-B0539

Desloratadine Maximum Cited Publications 13 Publications Verification Sch34117	Histamine Receptor TNF Receptor Leukotriene Receptor	Inflammation/Immunology
Desloratadine (Sch34117) is an orally active and selective H1 receptor antagonist (K_i=0.9 nM) with anti-inflammatory and anti-allergic activities. Desloratadine inhibits the release of histamine and LTC4 from human basophils and targets the regulatory signals of IL-4 and IL-13 production in basophils. Desloratadine significantly alleviates SAR symptoms in patients with concurrent asthma and can be used in the study of seasonal allergic rhinitis and chronic idiopathic urticaria .

HY-B0320A

Cromolyn disodium 5+ Cited Publications Cromoglycate disodium; Cromoglicic acid disodium; FPL-670	GSK-3 NF-κB Amyloid-β	Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
Cromolyn (Cromoglycate) disodium is an orally active GSK-3β inhibitor with an IC₅₀ of 2.0 μM. Cromolyn disodium is also a mast cell stabilizer that can inhibit the release of mediators from mast cells, regulate reflex bronchoconstriction, and reduce non-specific bronchial hyperreactivity, and Cromolyn disodium can be used in the research of bronchial asthma. In addition, Cromolyn disodium has multiple activities such as anti-inflammatory, anti-allergic, anti-histamine, anti-cancer, and neuroprotective effects .

HY-N0349

Methyl paraben 5+ Cited Publications Methyl 4-hydroxybenzoate	Environmental Pollutants Endogenous Metabolite Bacterial	Infection Inflammation/Immunology
Methyl Paraben is a standardized methyl paraben allergen isolated from Yunnan hemlock (Tsuga dumosa). Methyl Paraben is commonly used as a stable, non-volatile preservative. Methyl Paraben increases histamine release and cellular regulation of immunity, blocks sodium channels, and prevents ischemia-reperfusion injury .

HY-12206

Thioperamide 3 Publications Verification MR-12842	Histamine Receptor	Neurological Disease
Thioperamide (MR-12842) is a potent, orally available, brain penetrant and selective H3 receptor antagonist with a K_i of 4.3 nM for inhibition of [ ³H]histamine release. Thioperamide inhibits [ ³H]histamine synthesis with a K_i of 31 nM .

HY-130592

Compound 48/80 trihydrochloride 5 Publications Verification C48/80 trihydrochloride	Phospholipase	Neurological Disease
Compound 48/80 trihydrochloride (C48/80 trihydrochloride) is a mixture of condensation products of N-methyl-p-methoxyphenethylamine with formaldehyde. Compound 48/80 trihydrochloride is also a *histamine* releaser and a mast cell degranulator. Compound 48/80 inhibits phosphatidylinositol-specific phospholipase C activity from human platelets .

HY-B1619

Cromolyn 5+ Cited Publications Cromoglycate; Cromoglicic acid; FPL-670 free acid	GSK-3 NF-κB Amyloid-β	Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
Cromolyn (Cromoglycate) is an orally active GSK-3β inhibitor with an IC₅₀ of 2.0 μM. Cromolyn is also a mast cell stabilizer that can inhibit the release of mediators from mast cells, regulate reflex bronchoconstriction, and reduce non-specific bronchial hyperreactivity, and Cromolyn can be used in the research of bronchial asthma. In addition, Cromolyn has multiple activities such as anti-inflammatory, anti-allergic, anti-histamine, anti-cancer, and neuroprotective effects .

HY-B1693

Levomepromazine 1 Publications Verification Methotrimeprazine	5-HT Receptor Dopamine Receptor Histamine Receptor Autophagy Enterovirus Calcium Channel	Infection Neurological Disease Inflammation/Immunology
Levomepromazine (Methotrimeprazine) is an orally active antipsychotic compound and Ca ²⁺ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca ²⁺ levels. Levomepromazine has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine can induce adaptive ER stress and autophagy. In addition, Levomepromazine has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine can be used in the study psychiatric disorders and relieving nausea and vomiting .

HY-W127758

Alginic acid 1 Publications Verification	Histamine Receptor Apoptosis Autophagy Endogenous Metabolite	Inflammation/Immunology Endocrinology
Alginic acid is a natural polysaccharide, which has been widely concerned and applied due to its excellent water solubility, film formation, biodegradability and biocompatibility. Alginic acid induces oxidative stress-mediated hormone secretion disorder, apoptosis and autophagy in mouse granulosa cells and ovaries. Alginic acid has an inhibitory effect on histamine release. Anti-anaphylactic and anti-inflammatory properties .

HY-B0426A

Olopatadine hydrochloride ALO4943A; KW4679	Histamine Receptor CXCR	Infection Neurological Disease Metabolic Disease Inflammation/Immunology
Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-43521

Ibrutinib-MPEA	Target Protein Ligand-Linker Conjugates Btk STAT	Inflammation/Immunology Cancer
Ibrutinib-MPEA is an orally active, blood-brain barrier permeable inhibitor of BTK and STAT5. As a derivative of Ibrutinib (HY-10997) conjugated with a PROTAC linker, Ibrutinib-MPEA allows the synthesis of a series of PROTAC molecules. Ibrutinib-MPEA significantly reduces the proliferation of neoplastic mast cells and primary mastocytoma cells by inducing apoptosis and inhibiting IgE-dependent histamine release. Ibrutinib-MPEA is applicable to the research of canine mast cell tumors, cerebral ischemia/reperfusion injury in diabetic mice, and neuroinflammation-related diseases .

HY-12206A

Thioperamide maleate 3 Publications Verification MR-12842 maleate	Histamine Receptor	Neurological Disease
Thioperamide maleate (MR-12842 maleate) is a potent, orally available, brain penetrant and selective H3 receptor antagonist with a K_i of 4.3 nM for inhibition of [ ³H]histamine release. Thioperamide maleate inhibits [ ³H]histamine synthesis with a K_i of 31 nM .

HY-N2173

Forsythoside E 1 Publications Verification	Others	Cardiovascular Disease Inflammation/Immunology
Forsythoside E is a phenylethanoid glycoside compound. Forsythoside E can be isolated from Shuanghuanglian. Forsythoside E does not induce vascular leakage or promote histamine release in mice. Forsythoside E does not cause pseudo-allergic reactions .

HY-135490

Reproterol	Adrenergic Receptor Phosphodiesterase (PDE)	Inflammation/Immunology
Reproterol is a selective β2-adrenoceptor agonist and cAMP phosphodiesterase (PDE) inhibitor. Reproterol inhibits adenylate cyclase-induced phosphodiesterase activity. Reproterol inhibits histamine release from mast cells. Reproterol is applicable to research related to asthma .

HY-122376

S-Bioallethrin D-Trans-Allethrin; Esbiol	Environmental Pollutants Sodium Channel	Neurological Disease
S-Bioallethrin (D-Trans-Allethrin) is a pyrethroid insecticide. S-Bioallethrin disrupts nerve function by modifying the gating kinetics of transitions between the conducting and nonconducting states of voltage-gated sodium channels. S-Bioallethrin also causes inhibition of lymphocyte proliferation and induces histamine release from human basophils .

HY-101321A

Immepip dihydrobromide	Itk	Neurological Disease
Immepip dihydrobromide is a H3 agonist. Immepip dihydrobromide can reduce cortical histamine release. Immepip dihydrobromide can be used for the research of neurological diseases .

HY-172458

Z-3578 1 Publications Verification	Mas-related G-protein-coupled Receptor (MRGPR) TNF Receptor	Inflammation/Immunology
Z-3578 is an orally active small-molecule antagonist of MrgX2 with potent antipseudoallergic activity, exhibiting a K_D value of 729 nM. Z-3578 effectively inhibits mast cell degranulation induced by substance P (SP) and C48/80, suppresses the release of β-hexosaminidase, significantly reduces the release of histamine and TNF-α, and decreases intracellular calcium flux. In a mouse pseudoallergy model, Z-3578 significantly alleviates paw swelling and dye extravasation, and reduces serum histamine levels. Z-3578 can be used for the study of pseudoallergic reactions .

HY-17043S1

Loratadine-d5 Loratidine-d₅; SCH 29851-d₅	Isotope-Labeled Compounds Histamine Receptor	Infection Inflammation/Immunology Endocrinology
Loratadine-d₅ is the deuterium labeled Loratadine. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-W062109

Olopatadine	Histamine Receptor CXCR	Inflammation/Immunology
Olopatadine (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-101321

Immepip	Histamine Receptor	Neurological Disease
Immepip is a H3 agonist. Immepip can reduce cortical histamine release. Immepip can be used for the research of neurological diseases .

HY-N10182

Spinacetin 1 Publications Verification	Histamine Receptor	Inflammation/Immunology
Spinacetin is a natural product that can be isolated from Inula japonica. Spinacetin inhibits the release of *histamine*. Spinacetin has anti-inflammatory activity .

HY-107565

2-Pyridylethylamine hydrochloride	Histamine Receptor	Inflammation/Immunology
2-Pyridylethylamine is a histamine-1 (H1R) receptor agonist. 2-Pyridylethylamine can reduce the joint injury induced by formalin in rats. 2-Pyridylethylamine can be used to study the spinal cord release of neuropeptide (NPY) .

HY-109544

Repirinast MY-5116	Histamine Receptor	Inflammation/Immunology
Repirinast (MY-5116) is an orally active anti-allergic agent. Repirinast inhibits histamine release. Repirinast can be used in the research of bronchial asthma .

HY-137941

Roxatidine	Histamine Receptor Caspase NF-κB p38 MAPK	Inflammation/Immunology
Roxatidine is an active metabolite of Roxatidine acetate hydrochloride, is an orally active histamine H2-receptor antagonist. Roxatidine, an anti-ulcer agent, suppresses histamine release (thus inhibiting proton secretion) and inhibits the production of VEGF-1, an important marker of inflammation and angiogenesis. Anti-allergic inflammatory effect. Roxatidine is promising for research of gastric and duodenal ulcers .

HY-N3007A

(E)-Naringenin chalcone	Others	Inflammation/Immunology
(E)-Naringenin chalcone is an orally active anti-allergic agent. (E)-Naringenin chalcone also has antioxidant, anti-inflammatory activities. (E)-Naringenin chalcone can improve adipocyte functions. (E)-Naringenin chalcone inhibits histamine release from rat peritoneal mast cell .

HY-17043R

Loratadine (Standard) Loratidine (Standard); SCH 29851 (Standard)	Dengue Virus Flavivirus Reference Standards Histamine Receptor	Infection Inflammation/Immunology Endocrinology Cancer
Loratadine (Standard) is the analytical standard of Loratadine. This product is intended for research and analytical applications. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-N0349R

Methyl paraben (Standard) Methyl 4-hydroxybenzoate (Standard)	Reference Standards Bacterial Endogenous Metabolite	Infection Inflammation/Immunology
Methyl paraben (Standard) is the analytical standard of Methyl paraben. This product is intended for research and analytical applications. Methyl Paraben is a standardized methyl paraben allergen isolated from Yunnan hemlock (Tsuga dumosa). Methyl Paraben is commonly used as a stable, non-volatile preservative. Methyl Paraben increases histamine release and cellular regulation of immunity, blocks sodium channels, and prevents ischemia-reperfusion injury .

HY-106481

Bufrolin	GPR35 Histamine Receptor	Inflammation/Immunology
Bufrolin is a Cromoglycate (histamine release inhibitor) analog and a high potency agonist of GPR35. Bufrolin promotes interactions between β-arrestin-2 and either human GPR35a or rat GPR35. Bufrolin also serves as antiallergic mast cell stabilizer and inhibit an anti-inflammatory response inducible by the internalization peptide. Bufrolin acts as an anti-inflammatory agent to be used in research of delivering pharmacol linked with internalization peptide .

HY-N15663

(-)-Epigallocatechin-3-O-(4-O-methyl)gallate EGCG4′′Me	Drug Derivative	Inflammation/Immunology
(-)-Epigallocatechin-3-O-(4-O-methyl)gallate is an orally active catechin derivative found in Taiwanese oolong tea. (-)-Epigallocatechin-3-O-(4-O-methyl)gallate can inhibit histamine release and exhibits anti-inflammation and anti-allergic effect. (-)-Epigallocatechin-3-O-(4-O-methyl)gallate can be used for the researches of immunology and inflammation, such as type I allergic .

HY-Y0320E

Dimethyl sulfoxide (suitable for HPLC)	Cholinesterase (ChE) Bacterial	Infection Inflammation/Immunology Cancer
Dimethyl sulfoxide (suitable for HPLC) is an aprotic solvent that can dissolve water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and has the ability to rapidly penetrate or enhance the penetration of other substances through biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity. Dimethyl sulfoxide (suitable for HPLC) is suitable for HPLC .

HY-U00027

Quinotolast sodium FR71021	Histamine Receptor Leukotriene Receptor Prostaglandin Receptor	Inflammation/Immunology Endocrinology
Quinotolast sodium in the concentration range of 1-100 μg/mL inhibits *histamine, LTC₄* and PGD₂ release in a concentration-dependent manner.

HY-N7885

(25R)-Spirost-4-ene-3,12-dione (-)-(25R)-Spirost-4-ene-3,12-dione	Others	Inflammation/Immunology
(25R)-Spirost-4-ene-3,12-dione ((-)-(25R)-Spirost-4-ene-3,12-dione) is a natural product that has an inhibitory effect on neutrophil superoxide anion production and histamine release from mast cells .

HY-N0349S1

Methyl paraben-13C6 Methyl 4-hydroxybenzoate-¹³C₆	Isotope-Labeled Compounds Bacterial Endogenous Metabolite	Infection
Methyl Paraben- ¹³C₆ (Methyl 4-hydroxybenzoate- ¹³C₆) is a ¹³C labeled Methyl Paraben (HY-N0349) . Methyl Paraben, isolated from the barks of Tsuga dumosa the methyl ester of p-hydroxybenzoic acid, is a standardized chemical allergen. Methyl Paraben is a stable, non-volatile compound used as an antimicrobial preservative in foods, agents and cosmetics. The physiologic effect of Methyl Paraben is by means of increased histamine release, and cell-mediated immunity .

HY-P2706

Granuliberin R	Histamine Receptor	Endocrinology
Granuliberin R is a new mast cell degranulating peptide comes from amphibian, can be isolated from the skin of frog Rana rugosa. Granuliberin R is a dodecapeptide, can act on rat peritoneal mast cell to liberate granules and release histamine .

HY-115447

Clobenpropit	Histamine Receptor	Neurological Disease
Clobenpropit is a potent histamine H3-receptor antagonist. Clobenpropit decreases dopamine release and increases histamine levels in the hypothalamus. Clobenpropit shows antipsychotic-like activities. Clobenpropit causes a resuscitating effect in rats subjected to the hemorrhagic shock .

HY-13218

Acitazanolast WP-871	Histamine Receptor	Inflammation/Immunology
Acitazanolast is an orally active antiallergic agent, can inhibit histamine release. Acitazanolast can be used in study of type I anaphylaxis (immediate) caused by IgE antibodies .

HY-N3421

Koaburaside	Interleukin Related TNF Receptor Influenza Virus	Infection Inflammation/Immunology Cancer
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits *histamine* release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-W062109S

Olopatadine-d6	Isotope-Labeled Compounds Histamine Receptor CXCR	Inflammation/Immunology
Olopatadine-d₆ is the deuterium labeled Olopatadine. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-N3114

Panaxydiol	Histamine Receptor	Inflammation/Immunology
Panaxydiol exhibits *histamine*-release inhibition activity . Panaxydiol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-N3622

Corchoionoside C (6S,9S)-Roseoside	Others	Inflammation/Immunology
Corchoionoside C ((6S,9S)-Roseoside), an ionone glucoside, can be isolated from Capparis spinosa. Corchoionoside C inhibits the antigen-antibody reaction induced histamine release from rat peritoneal exudate cells .

HY-13405

Tiaramide hydrochloride RHC 2592-A	Histamine Receptor	Inflammation/Immunology
Tiaramide (RHC 2592-A) hydrochloride is an analgesic agent with antiallergic activity, and is also a non-steroidal, anti-inflammatory compound. Tiaramide hydrochloride inhibits histamine release .

HY-137090

BP 2-94 BP 2.94	Histamine Receptor	Neurological Disease
BP 2-94 (BP 2.94) is an orally active and highly selective prodrug targeting the histamine H3 receptor. BP 2-94 exerts anti-inflammatory, analgesic and antinociceptive effects by inhibiting histamine release and modulating neurogenic inflammation. BP 2-94 is promising for research of asthma, migraines, and inflammatory pain-related disorders .

HY-U00364

CI-949	Histamine Receptor Prostaglandin Receptor Leukotriene Receptor	Inflammation/Immunology Endocrinology
CI-949 is an allergic mediator release inhibitor, which inhibits *histamine, leukotriene C₄/D₄ (LTC₄/LTD₄), and thromboxane B₂ (TXB₂)* release with IC₅₀s of 11.4 μM, 0.5 μM and 0.1 μM, respectively.

HY-N13148

Ganodermatriol	Others	Others
Ganodermatriol is a lanostane type triterpenoid compound derived from Ganoderma lucidum. These compounds have been reported to possess various biological activities, such as inhibiting histamine release from rat mast cells and exhibiting anti-hepatoma cell activity in vitro .

HY-105505

KF-17625	Phosphodiesterase (PDE) Histamine Receptor	Inflammation/Immunology
KF-17625 is an orally active bronchodilator. KF-17625 can inhibit bronchoconstriction induced by Carbachol (HY-B1208), Histamine (HY-B1204), or Leukotriene D4 (HY-113456). KF-17625 can inhibit canine tracheal phosphodiesterase (PDE) IV (IC₅₀ = 12 μM) and Concanavalin-A (HY-P2149)-induced *histamine* release from rat mast cells (44% inhibition at 10 mM). KF-17625 can be used for the researches of immunology and inflammation .

HY-B0640S

Epinastine-13C,d3 hydrobromide WAL801-13C,d3 hydrobromide	Isotope-Labeled Compounds Histamine Receptor Transmembrane Glycoprotein Interleukin Related	Inflammation/Immunology Endocrinology
Epinastine- ¹³C,d₃ (hydrobromide) is the ¹³C- and deuterium labeled Epinastine. Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action .

HY-N0349S

Methyl paraben-d4 Methyl 4-hydroxybenzoate-d₄	Bacterial Endogenous Metabolite	Infection
Methyl paraben-d₄ is the deuterium labeled Methyl Paraben . Methyl Paraben, isolated from the barks of Tsuga dumosa the methyl ester of p-hydroxybenzoic acid, is a standardized chemical allergen. Methyl Paraben is a stable, non-volatile compound used as an antimicrobial preservative in foods, agents and cosmetics. The physiologic effect of Methyl Paraben is by means of increased histamine release, and cell-mediated immunity .

HY-B0426AS

Olopatadine-d3 hydrochloride	Isotope-Labeled Compounds Histamine Receptor CXCR	Inflammation/Immunology Endocrinology
Olopatadine-d₃ hydrochloride (ALO4943A-d₃) is the deuterium labeled Olopatadine hydrochloride. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-B0426AR

Olopatadine hydrochloride (Standard) ALO4943A (Standard); KW4679 (Standard)	Reference Standards Histamine Receptor CXCR	Inflammation/Immunology Endocrinology
Olopatadine (hydrochloride) (Standard) is the analytical standard of Olopatadine (hydrochloride). This product is intended for research and analytical applications. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-B1693A

Levomepromazine hydrochloride Methotrimeprazine hydrochloride	5-HT Receptor Dopamine Receptor Histamine Receptor Autophagy Enterovirus Calcium Channel	Infection Neurological Disease Inflammation/Immunology
Levomepromazine (Methotrimeprazine) hydrochloride is an orally active antipsychotic compound and Ca ²⁺ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca ²⁺ levels. Levomepromazine hydrochloride has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine hydrochloride can induce adaptive ER stress and autophagy. In addition, Levomepromazine hydrochloride has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine hydrochloride can be used in the study psychiatric disorders and relieving nausea and vomiting .

Cat. No.	Product Name	Type

HY-Y0320C

Dimethyl sulfoxide

30+ Cited Publications

DMSO

Biochemical Assay Reagents

Dimethyl sulfoxide (DMSO) is an aprotic solvent that can dissolve water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and has the ability to rapidly penetrate or enhance the penetration of other substances through biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity .
Low endotoxin, can be used in various biochemical experiments such as drug dissolution.

HY-Y0320

Dimethyl sulfoxide, meets analytical specification of Ch.P.

345+ Cited Publications

DMSO, meets analytical specification of Ch.P.

Biochemical Assay Reagents

Dimethyl sulfoxide (DMSO), meets analytical specification of Ch.P. is an aprotic solvent that dissolves polar and non-polar compounds, including water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and can rapidly penetrate or enhance the penetration of other substances into biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity. Dimethyl sulfoxide also exhibits antifreeze and antibacterial properties .
MCE provides Dimethyl sulfoxide that complies with the inspection standards (Ch.P) of Part 4 of the Chinese Pharmacopoeia (2020 Edition). Amicrobic, low endotoxin, can be used in various biochemical experiments such as drug dissolution.

HY-Y0320GL

Dimethyl sulfoxide (GMP Like)

DMSO (GMP Like)

Biochemical Assay Reagents

Dimethyl sulfoxide (DMSO) (GMP Like) is the GMP Like class Dimethyl sulfoxide (HY-Y0320C). Dimethyl sulfoxide is an aprotic solvent that can dissolve water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide has a strong affinity for water and has the ability to rapidly penetrate or enhance the penetration of other substances through biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity .

HY-Y0320E

Dimethyl sulfoxide (suitable for HPLC)

Biochemical Assay Reagents

Dimethyl sulfoxide (suitable for HPLC) is an aprotic solvent that can dissolve water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and has the ability to rapidly penetrate or enhance the penetration of other substances through biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity. Dimethyl sulfoxide (suitable for HPLC) is suitable for HPLC .

Cat. No.	Product Name	Target	Research Area

HY-P2706

Granuliberin R	Histamine Receptor	Endocrinology
Granuliberin R is a new mast cell degranulating peptide comes from amphibian, can be isolated from the skin of frog Rana rugosa. Granuliberin R is a dodecapeptide, can act on rat peritoneal mast cell to liberate granules and release histamine .

HY-P3837

Xenopsin-Related Peptide 2 XP-2	Peptides	Metabolic Disease
Xenopsin-Related Peptide 2 (XP-2) is an avian counterpart to amphibian Xenopsin (HY-P0253). Xenopsin-Related Peptide 2 displays abilities to release histamine from isolated rat mast cells and is as effective as syntheticBradykinin (HY-P0206) .

HY-P2444

Platelet factor 4 (59-70) PF4 (59-70)	Peptides	Inflammation/Immunology
Platelet factor 4 (59-70) is a polypeptide, which is composed of platelets and megakaryocytes. Platelet factor 4 (59-70) stimulates dog mastocytoma cells, promotes the release of histamine and leukotrienes .

HY-P3317

Azaline Azaline A	GnRH Receptor	Endocrinology
Azaline (Azaline A) is a gonadotropin-releasing hormone (GnRH) receptor antagonist with a K_D value of 0.48 nM. Azaline can effectively induce histamine release, with an effect comparable to that of GnRH, and it can completely inhibit ovulation at a dose of 2.0-3.0 μg per female rat. Azaline has potential applications in regulating reproductive functions .

HY-P1807

Mast Cell Degranulating Peptide HR-2	Histamine Receptor	Inflammation/Immunology
Mast Cell Degranulating Peptide HR-2, a 14-membered linear peptide isolated from the venom of the giant hornet Vespa orientalis, is capable of degranulating mast cells and thus initiating histamine release .

HY-P11369

Pilosulin-1(86-112)	Bacterial	Infection Cancer
Pilosulin-1 (86-112) is a specific peptide segment of the Pilosulin 1 protein. Pilosulin 1 is the main allergen (Myr p 1) in the venom of Australian diving ants (Myrmecia pilosula), possessing potent cytotoxicity and antibacterial activity. Pilosulin-1 (86-112) is an IgE-binding component and is a secondary allergen .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-B0539

Desloratadine Maximum Cited Publications 13 Publications Verification Sch34117	Structural Classification Natural Products Classification of Application Fields Endogenous metabolite Disease Research Fields Endocrinology	Histamine Receptor TNF Receptor Leukotriene Receptor
Desloratadine (Sch34117) is an orally active and selective H1 receptor antagonist (K_i=0.9 nM) with anti-inflammatory and anti-allergic activities. Desloratadine inhibits the release of histamine and LTC4 from human basophils and targets the regulatory signals of IL-4 and IL-13 production in basophils. Desloratadine significantly alleviates SAR symptoms in patients with concurrent asthma and can be used in the study of seasonal allergic rhinitis and chronic idiopathic urticaria .

HY-N0349

Methyl paraben 5+ Cited Publications Methyl 4-hydroxybenzoate	Structural Classification Tsuga dumosa Classification of Application Fields Plants Endogenous metabolite Infection Monophenols Animals Pinaceae Phenols Cosmetic Research Disease Research Fields Source Classification	Environmental Pollutants Endogenous Metabolite Bacterial
Methyl Paraben is a standardized methyl paraben allergen isolated from Yunnan hemlock (Tsuga dumosa). Methyl Paraben is commonly used as a stable, non-volatile preservative. Methyl Paraben increases histamine release and cellular regulation of immunity, blocks sodium channels, and prevents ischemia-reperfusion injury .

HY-N0631

Cornuside 5+ Cited Publications	Structural Classification Iridoids Cornaceae Classification of Application Fields Cornus officinalis Sieb. et Zucc. Terpenoids Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields Source Classification	p38 MAPK NF-κB JNK Cholinesterase (ChE) Acyltransferase NO Synthase Interleukin Related TNF Receptor Prostaglandin Receptor ERK COX
Cornuside is an iridoid glycoside with anti-allergic, anti-inflammatory, and neuroprotective activities. Cornuside exerts anti-allergic activity by downregulating the p38 MAPK, JNK, and NF-κB signaling pathways, and inhibits IgE-mediated histamine release from mast cells. Cornuside improves cognitive impairment in mice by inhibiting BACE1 activity (IC₅₀ = 55.84 μg/mL) and enhancing ChAT activity. Cornuside inhibits LPS (HY-D1056)-induced inflammatory mediators, including iNOS, COX-2, PGE2, TNF-α, IL-6, and IL-1β, by suppressing NF-κB activation .

HY-N2081

Skimmianine 3 Publications Verification	Alkaloids Classification of Application Fields Rutaceae Quinoline Alkaloids Plants Skimmia reevesiana Fort. Inflammation/Immunology Disease Research Fields Source Classification	Cholinesterase (ChE) PI3K Akt NF-κB
Skimmianine is an orally active furoquiniline alkaloid present mainly in the Rutaceae family. Skimmianine has analgesic, antispastic, sedative, and anti-inflammatory properties. Skimmianine inhibits acetylcholinesterase (AChE) (IC₅₀ = 8.6 μg/mL). Skimmianine exhibits cytotoxicity against a variety of cancer cell lines and genotoxicity. Skimmianine has antioxidant and anti-inflammatory effects on ischemia-reperfusion (IR) injury. Skimmianine exerts anti-inflammatory effects through activation of the phosphatidylinositol-3-kinase (PI3K)-protein kinase B (AKT) pathway. Skimmianine is neuroprotective by targeting the NF-κB activation pathway to prevent neuroinflammation. Skimmianine inhibits the release of histamine, intracellular Ca ²⁺ signaling and protein kinase C signaling .

HY-W127758

Alginic acid 1 Publications Verification	Structural Classification Polysaccharides Microorganisms Classification of Application Fields Inflammation/Immunology Disease Research Fields Saccharides Source Classification	Histamine Receptor Apoptosis Autophagy Endogenous Metabolite
Alginic acid is a natural polysaccharide, which has been widely concerned and applied due to its excellent water solubility, film formation, biodegradability and biocompatibility. Alginic acid induces oxidative stress-mediated hormone secretion disorder, apoptosis and autophagy in mouse granulosa cells and ovaries. Alginic acid has an inhibitory effect on histamine release. Anti-anaphylactic and anti-inflammatory properties .

HY-B0426A

Olopatadine hydrochloride ALO4943A; KW4679	Structural Classification Alkaloids Classification of Application Fields Ketones, Aldehydes, Acids Other Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification	Histamine Receptor CXCR
Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-N2173

Forsythoside E 1 Publications Verification	Structural Classification Oleaceae Classification of Application Fields Simple Phenylpropanols Phenols Polyphenols Phenylpropanoids Forsythia suspensa (Thunb.) Vahl Plants Inflammation/Immunology Disease Research Fields Source Classification	Others
Forsythoside E is a phenylethanoid glycoside compound. Forsythoside E can be isolated from Shuanghuanglian. Forsythoside E does not induce vascular leakage or promote histamine release in mice. Forsythoside E does not cause pseudo-allergic reactions .

HY-W062109

Olopatadine	Structural Classification Alkaloids Classification of Application Fields Other Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields Source Classification	Histamine Receptor CXCR
Olopatadine (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-N10182

Spinacetin 1 Publications Verification	Phyllodium pulchellum (L.) Desv. Flavonols Flavonoids Plants Compositae Source Classification	Histamine Receptor
Spinacetin is a natural product that can be isolated from Inula japonica. Spinacetin inhibits the release of *histamine*. Spinacetin has anti-inflammatory activity .

HY-N3007A

(E)-Naringenin chalcone	Phenols Polyphenols Solanum lycopersicum L. Solanaceae Plants	Others
(E)-Naringenin chalcone is an orally active anti-allergic agent. (E)-Naringenin chalcone also has antioxidant, anti-inflammatory activities. (E)-Naringenin chalcone can improve adipocyte functions. (E)-Naringenin chalcone inhibits histamine release from rat peritoneal mast cell .

HY-N0349R

Methyl paraben (Standard) Methyl 4-hydroxybenzoate (Standard)	Structural Classification Tsuga dumosa Monophenols Animals Pinaceae Phenols Plants Endogenous metabolite Source Classification	Reference Standards Bacterial Endogenous Metabolite
Methyl paraben (Standard) is the analytical standard of Methyl paraben. This product is intended for research and analytical applications. Methyl Paraben is a standardized methyl paraben allergen isolated from Yunnan hemlock (Tsuga dumosa). Methyl Paraben is commonly used as a stable, non-volatile preservative. Methyl Paraben increases histamine release and cellular regulation of immunity, blocks sodium channels, and prevents ischemia-reperfusion injury .

HY-N15663

(-)-Epigallocatechin-3-O-(4-O-methyl)gallate EGCG4′′Me	Structural Classification Phenols Polyphenols Camellia sinensis (L.) O. Ktze. Plants Source Classification Theaceae	Drug Derivative
(-)-Epigallocatechin-3-O-(4-O-methyl)gallate is an orally active catechin derivative found in Taiwanese oolong tea. (-)-Epigallocatechin-3-O-(4-O-methyl)gallate can inhibit histamine release and exhibits anti-inflammation and anti-allergic effect. (-)-Epigallocatechin-3-O-(4-O-methyl)gallate can be used for the researches of immunology and inflammation, such as type I allergic .

HY-N7885

(25R)-Spirost-4-ene-3,12-dione (-)-(25R)-Spirost-4-ene-3,12-dione	Structural Classification Polygonum chinense Linn. Polygonaceae Plants Steroids Source Classification	Others
(25R)-Spirost-4-ene-3,12-dione ((-)-(25R)-Spirost-4-ene-3,12-dione) is a natural product that has an inhibitory effect on neutrophil superoxide anion production and histamine release from mast cells .

HY-N3421

Koaburaside	Eucommia ulmoides Oliver Eucommiaceae Plants Saccharides Monosaccharides Source Classification	Interleukin Related TNF Receptor Influenza Virus
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits *histamine* release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-N3114

Panaxydiol	Panax ginseng C. A. Meyer Natural Products Classification of Application Fields Plants Inflammation/Immunology Disease Research Fields Araliaceae Source Classification	Histamine Receptor
Panaxydiol exhibits *histamine*-release inhibition activity . Panaxydiol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-N3622

Corchoionoside C (6S,9S)-Roseoside	Capparis spinosa L. Plants Capparidaceae Saccharides Monosaccharides Source Classification	Others
Corchoionoside C ((6S,9S)-Roseoside), an ionone glucoside, can be isolated from Capparis spinosa. Corchoionoside C inhibits the antigen-antibody reaction induced histamine release from rat peritoneal exudate cells .

HY-N13148

Ganodermatriol	Triterpenes Structural Classification Microorganisms Terpenoids Source Classification	Others
Ganodermatriol is a lanostane type triterpenoid compound derived from Ganoderma lucidum. These compounds have been reported to possess various biological activities, such as inhibiting histamine release from rat mast cells and exhibiting anti-hepatoma cell activity in vitro .

HY-B0426AR

Olopatadine hydrochloride (Standard) ALO4943A (Standard); KW4679 (Standard)	Structural Classification Alkaloids Ketones, Aldehydes, Acids Other Alkaloids Endogenous metabolite Source Classification	Reference Standards Histamine Receptor CXCR
Olopatadine (hydrochloride) (Standard) is the analytical standard of Olopatadine (hydrochloride). This product is intended for research and analytical applications. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-N2081R

Skimmianine (Standard)	Alkaloids Structural Classification Rutaceae Quinoline Alkaloids Plants Skimmia reevesiana Fort. Source Classification	Reference Standards Cholinesterase (ChE) PI3K Akt NF-κB
Skimmianine (Standard) is the analytical standard of Skimmianine. This product is intended for research and analytical applications. Skimmianine is an orally active furoquiniline alkaloid present mainly in the Rutaceae family. Skimmianine has analgesic, antispastic, sedative, and anti-inflammatory properties. Skimmianine inhibits acetylcholinesterase (AChE) (IC₅₀ = 8.6 μg/mL). Skimmianine exhibits cytotoxicity against a variety of cancer cell lines and genotoxicity. Skimmianine has antioxidant and anti-inflammatory effects on ischemia-reperfusion (IR) injury. Skimmianine exerts anti-inflammatory effects through activation of the phosphatidylinositol-3-kinase (PI3K)-protein kinase B (AKT) pathway. Skimmianine is neuroprotective by targeting the NF-κB activation pathway to prevent neuroinflammation. Skimmianine inhibits the release of histamine, intracellular Ca ²⁺ signaling and protein kinase C signaling .

HY-N12210

Notrilobolide	Structural Classification Terpenoids Sesquiterpenes Umbelliferae Plants Bellis perennis L. Source Classification	Histamine Receptor
Notrilobolide is a sesquiterpene lactone. Notrilobolide induces a potent histamine release from peritoneal rat mast cells .

HY-N15704

Cassiaside C2	Structural Classification Monophenols Ketones, Aldehydes, Acids Phenols Caesalpiniaceae Cassia obtusifolia (L.) H. S. Irwin & Barneby Plants Source Classification	Histamine Receptor
Cassiaside C2 is a naphthopyrone with a strong antiallergic activity. Cassiaside C2 inhibits the histamine release from rat peritoneal exudate mast cells induced by antigen-antibody reaction .

HY-N12295

Ciwujianoside D1	Triterpenes Structural Classification Tetracyclic Triterpenoids Terpenoids Acanthopanax senticosus (Rupr. et Maxim.) Harms Plants Araliaceae Source Classification	Others
Ciwujianoside D1 is a natural product that can inhibit histamine release induced by anti-immunoglobulin E from rat peritoneal mast cells .

HY-137787R

Cyanosafracin B (Standard)	Microorganisms Marine natural products Source Classification	Drug Intermediate Reference Standards
Nylidrin (hydrochloride) (Standard) is the analytical standard of Nylidrin (hydrochloride). This product is intended for research and analytical applications. Nylidrin hydrochloride is an inhibitor of IgE-mediated histamine release in passive sensitized rat peritoneal mast cells, and it has anti-allergic effects.

$Cyanosafracin B (Standard)$

HY-N11691

Thapsigargicin Thapsigargicine	Terpenoids Diterpenoids Plants Umbelliferae Bellis perennis L. Source Classification	Others
Thapsigargicin (Thapsigargicine) is a activator of mast cells and leukocytes. Thapsigargicin induces histamine release from rat peritoneal mast cells and human basophil leukocytes. Thapsigargicin increases the cytoplasmic free calcium level in intact human blood platelets .

HY-N0631R

Cornuside (Standard)	Structural Classification Iridoids Cornaceae Cornus officinalis Sieb. et Zucc. Terpenoids Phenols Polyphenols Plants Source Classification	Reference Standards Prostaglandin Receptor ERK p38 MAPK Acyltransferase TNF Receptor COX Cholinesterase (ChE) Interleukin Related JNK NO Synthase NF-κB
Cornuside (Standard) is the analytical standard of Cornuside (HY-N0631). This product is intended for research and analytical applications. Cornuside is an iridoid glycoside with anti-allergic, anti-inflammatory, and neuroprotective activities. Cornuside exerts anti-allergic activity by downregulating the p38 MAPK, JNK, and NF-κB signaling pathways, and inhibits IgE-mediated histamine release from mast cells. Cornuside improves cognitive impairment in mice by inhibiting BACE1 activity (IC₅₀ = 55.84 μg/mL) and enhancing ChAT activity. Cornuside inhibits LPS (HY-D1056)-induced inflammatory mediators, including iNOS, COX-2, PGE2, TNF-α, IL-6, and IL-1β, by suppressing NF-κB activation.

HY-N11725

Phlorofucofuroeckol A	Structural Classification Microorganisms Phenols Polyphenols Source Classification	Fc Receptor (FcR)
Phlorofucofuroeckol A is a FcεRI inhibitor with low cytotoxicity toward basophilic leukemia cells. Phlorofucofuroeckol A suppresses binding activity between IgE and FcεRI receptor. Phlorofucofuroeckol A inhibits histamine release from basophilic leukemia cells stimulated by IgE/anti-IgE or calcium ionophore A23187 (HY-N6687). Phlorofucofuroeckol A inhibits β-hexosaminidase release from basophilic leukemia cells stimulated by IgE/DNP-BSA. Phlorofucofuroeckol A can be used for the research of allergy disease .

HY-N19243

6-O-Senesioyl plenolin	Structural Classification Terpenoids Sesquiterpenes	Histamine Receptor
6-O-Senesioyl plenolin is a sesquiterpene lactone found in Centipeda minima with antiallergic activity. 6-O-Senesioyl plenolin inhibits histamine release from mast cells (IC₅₀ = 18 μM) and suppresses pigment exudation in passive cutaneous anaphylaxis tests. 6-O-Senesioyl plenolin can be used in research related to allergy .

HY-171338

Gallocatechin-3-O-(3″-O-methyl)-gallate GCG3″Me	Structural Classification Flavonols Flavonoids Camellia sinensis (L.) O. Ktze. Plants Source Classification Theaceae	Histamine Receptor
Gallocatechin-3-O-(3''-O-methyl)-gallate (GCG3''Me) is a catechin polyphenol. Gallocatechin-3-O-(3''-O-methyl)-gallate inhibits *histamine* release. Gallocatechin-3-O-(3''-O-methyl)-gallate can be used in allergy-related studies .

HY-N17738

Acetyljujuboside B	Structural Classification Terpenoids Plants Actaea simplex (DC.) Wormsk. ex Fisch. & C. A. Mey. Rhamnaceae Pentacyclic Triterpenoids Source Classification	Calcium Channel
Acetyljujuboside B is a saponin. Acetyljujuboside B can be isolated from seeds of Zizyphus jujuba Mill. var. spinosa. Acetyljujuboside B inhibits Ca ²⁺ influx. Acetyljujuboside B shows only sustained vasorelaxant effects, with no transient effect on NE-induced vasoconstrictions. Acetyljujuboside B inhibits histamine release from rat peritoneal exudate cells induced by the antigen-antibody reaction .

HY-N16715

Monardic acid A	Structural Classification Lignans Phenylpropanoids Plants Pulmonaria officinalis L. Boraginaceae Source Classification	Cholinesterase (ChE)
Monardic acid A is a selective inhibitor of AChE, with an IC₅₀ of 53.1 μM against AChE from electric eel. Monardic acid A shows weak inhibitory activity against human erythrocyte AChE (IC₅₀ >100 μM) and has no significant inhibitory effect on BChE. Monardic acid A reduces acetylcholine breakdown by inhibiting AChE activity, and also exhibits inhibitory activity against histamine release and hyaluronidase, thus exerting anti-inflammatory and neurotransmitter regulatory effects. Monardic acid A can be isolated from lungwort (Pulmonaria officinalis) and thyme (Thymus gobicus), and is mainly used in the development of anti-inflammatory drugs and drugs related to neurodegenerative diseases .

Cat. No.	Product Name	Chemical Structure

HY-17043S1

Loratadine-d5
Loratadine-d₅ is the deuterium labeled Loratadine. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-N0349S1

Methyl paraben-13C6

Methyl Paraben- ¹³C₆ (Methyl 4-hydroxybenzoate- ¹³C₆) is a ¹³C labeled Methyl Paraben (HY-N0349) . Methyl Paraben, isolated from the barks of Tsuga dumosa the methyl ester of p-hydroxybenzoic acid, is a standardized chemical allergen. Methyl Paraben is a stable, non-volatile compound used as an antimicrobial preservative in foods, agents and cosmetics. The physiologic effect of Methyl Paraben is by means of increased histamine release, and cell-mediated immunity .

HY-W062109S

Olopatadine-d6

Olopatadine-d₆ is the deuterium labeled Olopatadine. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-B0640S

Epinastine-13C,d3 hydrobromide
Epinastine- ¹³C,d₃ (hydrobromide) is the ¹³C- and deuterium labeled Epinastine. Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action .

HY-N0349S

Methyl paraben-d4

Methyl paraben-d₄ is the deuterium labeled Methyl Paraben . Methyl Paraben, isolated from the barks of Tsuga dumosa the methyl ester of p-hydroxybenzoic acid, is a standardized chemical allergen. Methyl Paraben is a stable, non-volatile compound used as an antimicrobial preservative in foods, agents and cosmetics. The physiologic effect of Methyl Paraben is by means of increased histamine release, and cell-mediated immunity .

HY-B0426AS

Olopatadine-d3 hydrochloride

Olopatadine-d₃ hydrochloride (ALO4943A-d₃) is the deuterium labeled Olopatadine hydrochloride. Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-17043S

Loratadine-d4
Loratadine-d₄ is the deuterium labeled Loratadine. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-23188

Loratadine-d5-1
Loratadine-d₅-1 is a deuterated labeled Loratadine (HY-17043). Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC₅₀ of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-17043S2

Loratadine-d4-1
Loratadine-d₄-1 (Loratidine-d₄-1) is deuterium labeled Loratadine. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators .

HY-17043S3

Loratadine-13C6
Loratadine- ¹³C₆ (SCH 29851- ¹³C₆) is ¹³C labeled Loratadine. Loratadine (SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Loratadine has anti-dengue-virus (DENV) activity. Loratadine can inhibit immunologic release of inflammatory mediators.

HY-W701252

Methyl paraben-d3

Methyl paraben-d₃ (Methyl 4-hydroxybenzoate-d₃) is the deuterium labeled Methyl paraben (HY-N0349). Methyl Paraben is a standardized methyl paraben allergen isolated from Yunnan hemlock (Tsuga dumosa). Methyl Paraben is commonly used as a stable, non-volatile preservative. Methyl Paraben increases histamine release and cellular regulation of immunity, blocks sodium channels, and prevents ischemia-reperfusion injury .

HY-B0426AS2

Olopatadine-d6 hydrochloride

Olopatadine-d₆ (ALO4943A-d₆; KW4679-d₆) hydrochloride is deuterium-labeled Olopatadine (hydrochloride) (HY-B0426A). Olopatadine hydrochloride (ALO4943A; KW4679) is an orally active histamine H1 receptor antagonist and mast cell stabilizer. Olopatadine hydrochloride exerts antiallergic effects by blocking histamine H1 receptor-mediated activities. Olopatadine hydrochloride inhibits exocytosis, chemokine release, F-actin polymerization, CXCL10-induced calcium influx, and T cell chemotactic activity. Olopatadine hydrochloride also reduces the expression levels of CXCR3 on the surface of CD4 ⁺ and CD8 ⁺ T cells. Olopatadine hydrochloride inhibits scratching behavior, improves dermatitis scores, and suppresses intraepidermal neurite outgrowth. Olopatadine hydrochloride simultaneously decreases the levels of inflammatory markers, growth factors, histamine, and specific IgE, while increasing the expression of ErbB3A/HER3A. Olopatadine hydrochloride can be used in research related to seasonal pollinosis, chronic rhinitis, urticaria, allergic conjunctivitis, alopecia areata, and atopic dermatitis .

HY-B1619S

Cromolyn-d5

Cromolyn-d₅ (Cromoglycate-d₅) is the deuterium labeled Cromolyn (HY-B1619). Cromolyn (Cromoglycate) is an orally active GSK-3β inhibitor with an IC₅₀ of 2.0 μM. Cromolyn is also a mast cell stabilizer that can inhibit the release of mediators from mast cells, regulate reflex bronchoconstriction, and reduce non-specific bronchial hyperreactivity, and Cromolyn can be used in the research of bronchial asthma. In addition, Cromolyn has multiple activities such as anti-inflammatory, anti-allergic, anti-histamine, anti-cancer, and neuroprotective effects .

HY-W778179

Benoxaprofen-13C,d3

Benoxaprofen- ¹³C, d₃ is the ¹³C-labeled Benoxaprofen (HY-13568). Benoxaprofen (LRCL 3794) is a nonsteroidal anti-inflammatory agent that blocks the biosynthesis of inflammatory mediators such as leukotrienes and prostaglandins by inhibiting 5-LOX, PGH2 synthase and cytochrome P-450. Benoxaprofen exhibits significant toxicity: it not only alters cellular redox status, uncouples oxidative phosphorylation and disrupts calcium ion homeostasis, but also causes liver injury through the formation of covalent adducts between its active metabolites and hepatic proteins. Benoxaprofen shows strong phototoxicity under ultraviolet irradiation, and induces erythrocyte lysis, mast cell degranulation and histamine release. Benoxaprofen is widely used in studies of urticaria and related phototoxic mechanisms .

HY-166562S

Levomepromazine-d6 hydrochloride

Levomepromazine-d₆ hydrochloride (Methotrimeprazine-d₆ hydrochloride) is the deuterium labeled Levomepromazine hydrochloride. Levomepromazine (Methotrimeprazine) hydrochloride is an orally active antipsychotic compound and Ca ²⁺ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca ²⁺ levels. Levomepromazine hydrochloride has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine hydrochloride can induce adaptive ER stress and autophagy. In addition, Levomepromazine hydrochloride has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine hydrochloride can be used in the study psychiatric disorders and relieving nausea and vomiting .

Cat. No.	Product Name		Classification

HY-Y0320

Dimethyl sulfoxide, meets analytical specification of Ch.P. 345+ Cited Publications DMSO, meets analytical specification of Ch.P.		Solvents
Dimethyl sulfoxide (DMSO), meets analytical specification of Ch.P. is an aprotic solvent that dissolves polar and non-polar compounds, including water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and can rapidly penetrate or enhance the penetration of other substances into biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity. Dimethyl sulfoxide also exhibits antifreeze and antibacterial properties . MCE provides Dimethyl sulfoxide that complies with the inspection standards (Ch.P) of Part 4 of the Chinese Pharmacopoeia (2020 Edition). Amicrobic, low endotoxin, can be used in various biochemical experiments such as drug dissolution.

Inquiry Online

Your information is safe with us. * Required Fields.

MCE Japan Authorized Agent ナミキ商事株式会社コスモ・バイオ株式会社重松貿易株式会社
Salutation			Country or Region *
Applicant Name *			Organization Name *
Department *
Email Address *			Product Name *
Cat. No.			Requested quantity *
Phone Number *
Remarks

Inquiry Online

Inquiry Information

Product Name:
Cat. No.:
Quantity:
MCE Japan Authorized Agent:

histamine release

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

NaturalProducts

Isotope-Labeled Compounds

Oligonucleotides

Natural
Products