1. GPCR/G Protein Neuronal Signaling Immunology/Inflammation
  2. Histamine Receptor mAChR
  3. Methapyrilene

Methapyrilene is a histamine antagonist, a pyridine chemical with anticholinergic activity. Methapyrilene can cause target organ-specific epigenetic alterations, such as a decrease in DNA methylation levels. Methapyrilene induces hepatocellular carcinoma in rats.

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Methapyrilene Chemical Structure

Methapyrilene Chemical Structure

CAS No. : 91-80-5

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Description

Methapyrilene is a histamine antagonist, a pyridine chemical with anticholinergic activity. Methapyrilene can cause target organ-specific epigenetic alterations, such as a decrease in DNA methylation levels. Methapyrilene induces hepatocellular carcinoma in rats[1][2].

In Vitro

Methapyrilene (650 μM, 72 h) decreases the transcriptional level of transferrin and is accompanied by a decrease in transferrin protein levels in HepRG cells[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Methapyrilene (gavage with water (vehicle), 50 or 150 mg/kg, daily, 3 days) can induce hepatotoxicity and lead to periportal hepatic necrosis in rats[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male Wistar derived AlpK:APfSD (Alderley Park) rats[2]
Dosage: 50 mg/kg, 150 mg/kg
Administration: Gavage with water (vehicle), daily, 3 days
Result: Showed mild to moderate periportal hepatocyte degeneration and necrosis as well as acute inflammatory cells were observed in the filtering periportal vein at a dose concentration of 150 mg/kg.
Decreased levels of both glucose and glycogen in the liver.
Showed higher levels of succinic acid and dimethylglycine of urine obtained from the low dose group of 50 mg/kg.
Molecular Weight

261.39

Formula

C14H19N3S

CAS No.
SMILES

CN(C)CCN(C1=NC=CC=C1)CC2=CC=CS2

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Methapyrilene
Cat. No.:
HY-111130
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