產(chǎn)品目錄

規(guī)格	1mg 5mg
CAS	208445-06-1
別名	Rp-8-bromo-cGMPS
化學(xué)名	8-bromo-guanosine cyclic 3',5'-[(R)-(hydrogen phosphorothioate)], monosodium salt
分子式	C10H10BrN5O6PS Na
分子量	462.1
溶解度	≤3.6mg/ml in ethanol;12.5mg/ml in DMSO;16.7mg/ml in dimethyl formamide
儲存條件	Store at -20°C
General tips	For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition	Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request

產(chǎn)品描述：

Rp-8-bromo-Cyclic GMPS is a cGMP-dependent protein kinase (cGK) inhibitor.

cGMP is considered as an important regulator of vascular smooth muscle tone. Several smooth muscle relaxants including nitrogen oxide-containing vasodilators), endothelial-derived relaxing factors, and atrial natriuretic peptides can stimulate cGMP production in vascular smooth muscle. In addition, many of these agents have been shown to inhibit Ca2+-stimulated enzymes such as phosphorylase kinase and myosin light chain kinase in aortic smooth muscle, indicating that one major role of cGMP is to reduce the levels of free intracellular Ca2+.

In vitro: The effects of Rp-8-bromo-Cyclic GMPS on intracellular calcium concentrations in cultured rat aortic smooth muscle cells were studied. Results showed that both angiotensin II and depolarizing concentrations of K+ were ableo to stimulate Ca2+' accumulation in the cytoplasm. The increase in Ca2+ because of angiotensin II was associated with an increase in inositol phosphates, while that due to K+ was not. Preincubation of cells with Rp-8-bromo-Cyclic GMPS at 100 μM could cause an inhibition of peak Ca2+ accumulation to either angiotensin II or K+ [1]. Another study found that like 8-bromo-cGMP, Rp-8-bromo-Cyclic GMPS was also resistant to hydrolysis by phosphodiesterases. This Rp isomer could bind cGK without activating it, leading to the competitive inhibition [2].

In vivo: Up to now, there is no animal in vivo data reported.

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原創(chuàng)作者：上海莼試生物技術(shù)有限公司

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