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histamine bronchospasm

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Histamine Receptor (1) Adrenergic Receptor (1) Lipoxygenase (1) Phosphodiesterase (PDE) (2)
By Research Areas:	Cancer (1) Cardiovascular Disease (3) Inflammation/Immunology (4)

Targets Recommended: Histamine Receptor

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-19393

SCH 351591	Phosphodiesterase (PDE)	Cardiovascular Disease Inflammation/Immunology Cancer
SCH 351591 is a highly selective, orally active PDE4 inhibitor, with IC₅₀ values of 58 nM and 153 nM in humans and rats, respectively. SCH 351591 effectively inhibits pathological processes such as cytokine production, eosinophilia, airway hyperresponsiveness and bronchospasm. SCH 351591 also induces microvascular injury, activates mast cells and endothelial cells, and causes increases in serum histamine and various inflammatory factors, leading to early vascular damage. SCH 351591 has been widely used in studies related to asthma, chronic obstructive pulmonary disease and drug-induced vascular injury .

HY-100634

4-Hydroxypropranolol hydrochloride (±)-4-hydroxy Propranolol hydrochloride	Adrenergic Receptor	Cardiovascular Disease
4-Hydroxypropranolol hydrochloride is a non-cardiac selective β-adrenergic receptor antagonist and a metabolite produced after oral administration of Propranolol (HY-B0573B). 4-Hydroxypropranolol hydrochloride also acts as a membrane stabilizer and possesses intrinsic sympathomimetic inhibitory activity. 4-Hydroxypropranolol hydrochloride blocks β-adrenergic receptors to antagonize the effects of catecholamines, acts as a partial β-adrenergic receptor agonist, and induces membrane stabilization. 4-Hydroxypropranolol hydrochloride alters heart rate, left ventricular contractility, and atrioventricular conduction time. 4-Hydroxypropranolol hydrochloride can be used in research related to cardiovascular and cerebrovascular diseases .

HY-118392

Papaveraldine Xanthaline	Histamine Receptor	Inflammation/Immunology
Papaveraldine (Xanthaline) is a benzylisoquinoline alkaloid that shows antispasmodic and protective activity against histamine-induced bronchospasm in rats. Papaveraldine is an active ingredient of a hair tonic preparation that promotes melanin formation for grey hair .

HY-W988549

Zindotrine MDL-257	Phosphodiesterase (PDE)	Inflammation/Immunology
Zindotrine (MDL-257) is an orally active bronchodilator. Zindotrine is a cGMP phosphodiesterase (PDE) inhibitor. Zindotrine can counteract bronchospasm caused by histamine. Zindotrine can be used to study reversible airflow obstruction, such as asthma .

HY-182557

KC-11404	Lipoxygenase	Cardiovascular Disease Inflammation/Immunology
KC-11404 is an orally active antihistamine and 5-lipoxygenase inhibitor, with an IC₅₀ of 0.9 μM against guinea pig 5-lipoxygenase. KC-11404 inhibits histamine-induced contraction of isolated guinea pig ileum with an IC₅₀ of 0.26 μM. KC-11404 inhibits PAF-induced rabbit platelet aggregation with an IC₅₀ of 2.0 μM. It inhibits the histamine phase of antigen-induced bronchoconstriction and PAF-induced bronchoconstriction in guinea pigs. KC-11404 can be used for the research of asthma .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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histamine bronchospasm

Inhibitors & Agonists