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  • Bepotastine Besilate
  • 苯磺酸贝托司汀
  • 货号: abs813516
    CAS号: 190786-44-8
    分子式: C21H25ClN2O3.C6H6O3S
    分子量: 547.06
    产品说明书
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    货号-规格 货期 价格 数量
    abs813516-10mg 1-2周 ¥595.00
    - +
    abs813516-50mg 1-2周 ¥2297.00
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    大包装询价
    产品描述
    描述

    Bepotastine is a non-sedating, selective antagonist of histamine 1 (H1) receptor with pIC50 of 5.7.

    纯度
    >98%
    储存/保存方法
    store at -20℃ for one year(Powder);
    in DMSO or others solvent store at 2-4℃ for two weeks, at -20℃ for six months.
    基本信息
    别名
    苯磺酸贝托司汀
    外观
    白色至淡黄色结晶性粉末
    可溶性/溶解性
    DMSO :101 mg/mL (184.6 mM)
    生物活性
    靶点
    Histamine H1 receptor
    In vitro(体外研究)
    The flux ratios of Bepotastine (5 μM) in LLC-GA5-COL150 cells are significantly greater than those in LLC-PK1, showing that the B-to-A flux exceeds those in the other direction in LLC-GA5-COL150 cells. Bepotastine stimulates P-gp-mediated ATP hydrolysis with Km, Vmax, and Vmax/Km values of 1.25 mM, 108 nmol/min/mg protein, and 0.087 mL/min/mg protein, respectively. Bepotastine besilate (100 mM) suppresses Leukotriene B(4) induced Ca(2+) concentration in cultured dorsal root ganglion neurons and cultured neutrophils. Bepotastine (100 μM) dose-dependently inhibits chemotaxis of cultured guinea pig peritoneal eosinophils induced by LTB4. Bepotastine (1 mM) significantly reduces A23187-induced histamine release of cultured rat peritoneal mast cells.
    In vivo(体内研究)
    Bepotastine (0.8 mg/kg) administrated in WT and P-gp KO mice results in the plasma total concentrations 580 ng/mL and 467 ng/mL at 6 min after dosing, respectively, and the plasma protein binding with 41.1% and 45.9%. The absorption of Bepotastine from the proximal region in the presence and absence of verapamil is 63.0% and 72.4%, respectively, and that from the distal region is 10.9% and 62.7%, respectively. Bepotastine besilate (10 mg/kg) inhibits scratching induced by an intradermal injection of histamine (100 nmol/site), but not serotonin (100 nmol/site). Bepotastine besilate (1 mg/kg-10 mg/kg, oral) dose-dependently suppresses scratching induced by substance P (100 nmol/site) and leukotriene B(4) (0.03 nmol/site). Bepotastine besilate significantly inhibits conjunctival vascular hyperpermeability in a dose-dependent manner in guinea pig allergic conjunctivitis models with maximal effect for Bepotastine besilate 1.5%. Bepotastine (3 mg/kg and 10 mg/kg) effectively inhibits the compound 48/80-induced scratching behavior of BALB/c mice 1 hour after oral administration. Bepotastine (10 mg/kg) also significantly inhibits the scratching behavior and suppresses the serum LTB(4) levels in atopic dermatitis model NC/Nga mice.
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