异三聚体G蛋白
信号转导
细胞生物学
受体
肾上腺素能受体
脱敏(药物)
G蛋白偶联受体
原癌基因酪氨酸蛋白激酶Src
生物
G蛋白
化学
生物化学
标识
DOI:10.1016/s1050-1738(01)00138-4
摘要
beta -Adrenergic receptors transduce signals through the heterotrimeric G protein Galphas to regulate cardiac function. Recently, it has been discovered that Galphas could directly stimulate the Src family tyrosine kinase activity. This novel signaling pathway provides insights into the cAMP-PKA-independent signaling mechanisms used by beta -adrenergic receptors to regulate apoptosis, receptor desensitization, and other physiological functions.
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