Capsazepine,138977-28-3

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产品名称：Capsazepine

产品别名：辣椒平

英文别名：Capsazepine

靶点：TRPV1 receptor

CAS：138977-28-3

纯度：≥98%

外观：Off-white to white solid

保存方法：Store at -20° C

描述：

Capsazepine acts as a competitive antagonist of capsaicin and a transient receptor potential vanilloid type 1(TRPV1) antagonist.

溶解性：DMSO : ≥ 50 mg/mL (132.66 mM)

体外研究：

Capsazepine(CPZ) at a concentration of 94.2 µg/ml (IC50 concentration of capsazepine) exhibits a statistically significant inhibition of osteoclast growth and proliferation. Capsazepine converts the NKA into Na-ATPase. CPZ inhibits K+-dependent activity but allows Na-ATPase associated with Na+ transport. CPZ has no effect on Na-ATPase measured in the absence of K+. CPZ also inhibits para-nitrophenyl phosphatase activity, albeit with a lower affinity. CPZ strongly reduces the steady-state EP level and the Na+ affinity for phosphorylation decreased 3-fold after CPZ treatment. In summary, CPZ blocks an Na+/K+ cycle in the NKA but leaves an Na+ cycle intact, reducing the transport stoichiometry of the pump. Capsazepine inhibits osteoclast formation and bone resorption in a dose dependent manner in bone marrow-osteoblast co-cultures and RANKL generated osteoclast cultures. Capsazepine also suppresses RANKL induced IκB and ERK1/2 phosphorylation and causes apoptosis of mature osteoclasts and also inhibits alkaline phosphatase activity and bone nodule formation in calvarial osteoblast cultures.

体内研究：In mice, the TRPV1 antagonist capsazepine blocks morphine tolerance and dependence in mice. Acute capsazepine treatment (5 mg/kg, i.p.) potentiates the antinociceptive effects of morphine, as measured by the hot-plate test. Repeated co-treatment of capsazepine (2.5 mg/kg, i.p.) with morphine attenuates the development of tolerance to the antinociceptive effect of morphine. The development of morphine dependence is also reduced by capsazepine (1.25 or 2.5 mg/kg, i.p.). Capsazepine (1 mg/kg/day) inhibits ovariectomy induced bone loss in mice and histomorphometric analysis shows inhibitory effects on indices of bone resorption and bone formation.

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