Methapyrilene (hydrochloride) |
رقم الكتالوجGC48805 |
ميثابيريلين (ثينيل بيرامين) هيدروكلوريد هو أحد مضادات الهيستامين النشط عن طريق الفم لمستقبلات H1 وعامل مضاد للكولين من فئة البيريدين الكيميائية.
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Cas No.: 135-23-9
Sample solution is provided at 25 µL, 10mM.
Methapyrilene is a histamine H1 receptor antagonist (Ki = 4.5 nM) and non-genotoxic carcinogen.1,2 Dietary administration of methapyrilene (0.1%) induces liver tumors in rats, with greater than 50% of rats incurring distant metastases.3 It decreases the acetylation of histone 3 lysine 9 (H3K9) and H3K56, as well as the di- and trimethylation of H3K4 and H4K20, respectively, in rat liver when administered at 40 mg/kg per day for six weeks.2 Methapyrilene also increases 4-hydroxy nonenal (4-NHE) protein adducts in rat liver. Formulations containing methapyrilene were previously used as sleep aids.
1.Tran, V.T., Chang, R.S.L., and Snyder, S.H.Histamine H1 receptors identified in mammalian brain membranes with [3H]mepyramineProc. Natl. Acad. Sci. U.S.A.75(12)6290-6294(1978) 2.Shpyleva, S., Dreval, K., de Conti, A., et al.Editor's highlight: Organ-specific epigenetic changes induced by the nongenotoxic liver carcinogen methapyrilene in fischer 344 ratsToxicol. Sci.156(1)190-198(2017) 3.Lijinsky, W., Reuber, M.D., and Blackwell, B.N.Liver tumors induced in rats by oral administration of the antihistaminic methapyrilene hydrochlorideScience209(4458)817-819(1980)
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