Gengnianchun recipe inhibits apoptosis of pheochromocytoma cells from beta-amyloid 25-35 insult, bet

来源 :中国神经再生研究(英文版) | 被引量 : 0次 | 上传用户:zhangshuai824
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This study aims to determine and compare the protective effects of Gengnianchun recipe drug serum and compounds of its representative drug monotherapies against sympathetic nerve pheochromocytoma cell line PC12 cells damaged by beta-amyloid 25-35 at the cellular apoptosis and related signal pathway levels. PC12 cells cultured with medicated rat serum showed enhanced cell viability and reduced cellular apoptosis rates compared with those of monotherapies and their compounds. Furthermore, Gengnianchun recipe up-regulated expressions of anti-apoptotic protein Bcl-2, estrogen receptor-beta and phosphorylated extracellular-signal-regulated kinase 1/2; and down-regulated expressions of pro-apoptotic proteins Bax and caspase-3. Gengnianchun recipe was superior to representative drug monotherapies, such as paeoniflorin, berberine, timosaponin A-III, icariine and their compounds in protecting PC12 cells. Mitogen-activated protein kinase blocker and estrogen receptor antagonist were found to reverse the above effects of Gengnianchun recipe. The experimental findings indicate that, Gengnianchun recipe protects PC12 cells from beta-amyloid 25-35 insult; its inhibitory effect on apoptosis may be achieved through the mitogen-activated protein kinase and estrogen receptor pathways.
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