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产品介绍
产品介绍
产品信息
抗原名称
Smad3
商品描述
SIS3是一种新型的特异性Smad3抑制剂，通过抑制Smad3的磷酸化抑制TGF-β和activin信号，而不影响MAPK/p38, ERK或PI3-kinase信号通路。
分子量
489.99
纯度
＞98%
可溶性
DMSO : 90 mg/mL (183.7 mM)
Ethanol : 23 mg/mL (46.9 mM)
Ethanol : 23 mg/mL (46.9 mM)
外观
yellow powder
In vitro(体外研究)
Addition of SIS3 attenuates the effects of TGF-β1 by reducing the transcriptional activity. SIS3 also inhibits the myofibroblast differentiation of fibroblasts by TGF-β1. SIS3 completely diminishes the constitutive phosphorylation of Smad3 as well as the up-regulated type I collagen expression in scleroderma fibroblasts, thus abolishes the ECM overexpression in the TGF-β1-treated normal dermal fibroblasts and scleroderma fibroblasts in vitro.
In vivo(体内研究)
SIS3 inhibits Smad3 activation in streptozotocin(STZ)-induced diabetic nephropathy in Tie2-Cre;Loxp-EGFP mice. It also reduces AGE-induced EndoMT and decreases EndoMT in STZ-induced diabetic nephropathy in Tie2-Cre;Loxp-EGFP mice. SIS3 significantly reduces collagen IV and fibronectin expression in the glomeruli and tubulointerstitium of STZ-injected Tie2-Cre;Loxp-EGFP mice, suggesting that SIS3 retards the early development of STZ-induced diabetic glomerulosclerosis and tubulointerstitial fibrosis. However, SIS3 administration does not reduce proteinuria.
背景
别名
SIS 3 HCl; SIS-3 HCl
分子式
C28H27N3O3·HCl
CAS号
521984-48-5
制备和贮存
保存方式
Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.
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