Title : Celastrol ameliorates Cd-induced neuronal apoptosis by targeting NOX2-derived ROS-dependent PP5-JNK signaling pathway.

Pub. Date : 2017 Apr

PMID : 28129433






6 Functional Relationships(s)
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1 Celastrol ameliorates Cd-induced neuronal apoptosis by targeting NOX2-derived ROS-dependent PP5-JNK signaling pathway. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus
2 Recently, we have reported that cadmium (Cd) activates c-Jun N-terminal kinase (JNK) pathway leading to neuronal cell death by inducing ROS inactivation of protein phosphatase 5 (PP5), and celastrol prevents Cd-activated JNK pathway against neuronal apoptosis. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus
3 Recently, we have reported that cadmium (Cd) activates c-Jun N-terminal kinase (JNK) pathway leading to neuronal cell death by inducing ROS inactivation of protein phosphatase 5 (PP5), and celastrol prevents Cd-activated JNK pathway against neuronal apoptosis. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus
4 Therefore, we hypothesized that celastrol could hinder Cd induction of ROS-dependent PP5-JNK signaling pathway from apoptosis in neuronal cells. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus
5 Furthermore, we noticed that expression of wild-type PP5 or dominant negative c-Jun, or pretreatment with JNK inhibitor SP600125 reinforced celastrol"s suppression of Cd-induced NOX2 and its regulatory proteins, and consequential ROS in neuronal cells. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus
6 These findings indicate that celastrol ameliorates Cd-induced neuronal apoptosis via targeting NOX2-derived ROS-dependent PP5-JNK signaling pathway. Reactive Oxygen Species mitogen-activated protein kinase 8 Rattus norvegicus