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Mas7 acetate(145854-59-7 free base)

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Mas7 acetate(145854-59-7 free base) (Mastoparan 7 acetate) , a structural analogue of mastoparan is a known activator of
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Description Mas7 acetate(145854-59-7 free base) (Mastoparan 7 acetate) , a structural analogue of mastoparan is a known activator of heterotrimeric Gi-proteins and its downstream effectors.
In vitro Mas7在不同细胞类型中产生多种生物效应。其对内源性mono-ADP-ribosyltransferase活性的影响处于微摩尔级别,最大激活率达到基础水平的205%。在百日咳毒素处理的细胞膜中,发现Mas7对内源性mono-ADP-ribosyltransferase的作用被部分阻断,这表明G蛋白(如Gi或G0[1])的参与。Mas7是从蜂毒中分离出的基础四十肽,它激活鸟苷酸结合调节蛋白(G蛋白)并促进凋亡。在平滑肌细胞中,Mas7引起灌注压的增加。Mas7诱导血管收缩。由mas-7引起的血管收缩与由苯肾上腺素或加压素模拟的增加相比,增加速度较慢[2]。海马神经元暴露于低剂量的Mas-7,会以时间依赖的方式增加树突棘密度和棘头宽度。此外,Mas-7增强神经突中突触后密度蛋白-95(PSD-95)的聚集,并激活Gαo信号通路,增加细胞内Ca2+浓度[3]。
Synonyms Mastoparan 7 acetate
molecular weight 1481.86
Molecular formula C69H128N18O17
Storage keep away from moisture,store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility DMSO: 10 mM
References 1. Bavec A, et al. Novel features of amphiphilic peptide Mas7 in signalling via heterotrimeric G-proteins. J Pept Sci. 2004 Nov;10(11):691-9.