Bevantolol hydrochloride

A β1-AR antagonist

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25mg

￥925.00

740.00

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50mg

￥1475.00

1180.00

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100mg

￥2362.00

1890.00

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Background

Bevantolol is an antagonist of the β1-adrenergic receptor (β₁-AR; K_i = 14.79 nM in rat cortical membranes).¹ It is selective for β₁- over β₂-ARs (K_i = 588.84 nM), as well as α₂-ARs up to 100 μM, but is an antagonist of α₁-ARs (K_i = 125.89 nM). Bevantolol inhibits low voltage-activated calcium currents (LVA-I_Ca) in dissociated rat ventro-medial hypothalamic neurons (IC₅₀ = 40 μM).² It inhibits norepinephrine-induced contraction of isolated rabbit thoracic aorta (pA₂ = 4.77), isoprenaline-induced inotropic effects in isolated guinea pig right atria (pA₂ = 7.74), and isoprenaline-induced relaxation of isolated guinea pig trachea (pA₂ = 6.69).³ Bevantolol (250 mg/kg per day) prevents immobilization stress-induced increases in systolic blood pressure in a rat model of stress-induced hypertension.⁴

1.Takita, M., Kigoshi, S., and Muramatsu, I.Selectivity of bevantolol hydrochloride towards ɑ and β-adrenoceptor subtypes in rat cerebral cortexJpn. J. Pharmacol.58(2)193-196(1992) 2.T., O., Kobayashi, T., Nishioka, K., et al.Ca2+-antagonistic action of bevantolol on hypothalamic neurons in vitro: Its comparison with those of other β-adrenoceptor antagonists, a local anesthetic and a Ca2+-antagonistBrain Res.706(2)289-292(1996) 3.Takayanagi, I., Kizawa, Y., Iwasaki, S., et al.(+/-)-1-[[2-(3,4-dimethoxphenyl)ethyl]amino]-3-(3-methylphenoxy)-2-propanol hydrochloride (bevantolol, NC-1400) as a β1-selective adrenoceptor blocker With ɑ1-adrenoceptor Blocking ActivityGen. Pharmacol.18(1)87-90(1987) 4.Takita, M., Kigoshi, S., and Muramatsu, I.Effects of bevantolol HCl on immobilization stress-induced hypertension and central β-adrenoceptors in ratsPharmacol. Biochem. Behav.45623-627(1993)