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Indirubin-3-Oxime Prevents H 2 O 2-Induced Neuronal Apoptosis via Concurrently Inhibiting GSK3β and the ERK Pathway

Indirubin-3-Oxime Prevents H 2 O 2-Induced Neuronal Apoptosis via Concurrently Inhibiting GSK3β and the ERK Pathway

Jie Yu, Jiacheng Zheng, Jiajia Lin, Linlu Jin, Rui Yu, Shinghung Mak, Shengquan Hu, Hongya Sun, Xiang Wu, Zaijun Zhang, Mingyuen Lee, Wahkeung Tsim, Wei Su, Wenhua Zhou, Wei Cui, Yifan Han, Qinwen Wang

Cell Mol Neurobiol. 2017 May;37(4):655-664.

PMID: 27412761

Abstract:

Oxidative stress-induced neuronal apoptosis plays an important role in many neurodegenerative disorders. In this study, we have shown that indirubin-3-oxime, a derivative of indirubin originally designed for leukemia therapy, could prevent hydrogen peroxide (H2O2)-induced apoptosis in both SH-SY5Y cells and primary cerebellar granule neurons. H2O2 exposure led to the increased activities of glycogen synthase kinase 3β (GSK3β) and extracellular signal-regulated kinase (ERK) in SH-SY5Y cells. Indirubin-3-oxime treatment significantly reversed the altered activity of both the PI3-K/Akt/GSK3β cascade and the ERK pathway induced by H2O2. In addition, both GSK3β and mitogen-activated protein kinase inhibitors significantly prevented H2O2-induced neuronal apoptosis. Moreover, specific inhibitors of the phosphoinositide 3-kinase (PI3-K) abolished the neuroprotective effects of indirubin-3-oxime against H2O2-induced neuronal apoptosis. These results strongly suggest that indirubin-3-oxime prevents H2O2-induced apoptosis via concurrent inhibiting GSK3β and the ERK pathway in SH-SY5Y cells, providing support for the use of indirubin-3-oxime to treat neurodegenerative disorders caused or exacerbated by oxidative stress.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP160807498-A	Indirubin-3′-oxime		160807-49-8	Price

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