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p38SJ, a novel DINGG protein protects neuronal cells from alcohol induced injury and death by Shohreh Amini; Nana Merabova; Kamel Khalili; Nune Darbinian is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract Ethanol induces neuronal cell injury and death by dysregulating several signaling events that are controlled, in part, by activation of MAPK/ERK1/2 and/or inactivation of its corresponding phosphatase, PP1. Recently, we have purified a novel protein of 38 kDa in size, p38SJ, from a callus culture of __Hypericum perforatum__, which belongs to an emerging DINGG family of proteins with phosphate binding activity. Here, we show that treatment of neuronal cells with p38SJ protects cells against injury induced by exposure to ethanol. Furthermore, pre‐treatment of neuronal cells with p38SJ diminishes the level of the pro‐apoptotic protein Bax and some events associated with apoptosis such as caspase 3 cleavage. In addition, by inducing stress, alcohol can elevate production of reactive oxygen species (ROS) that leads to a decrease in the activity of superoxide dismutase (SOD). Our results showed that p38SJ restores the activity of SOD in the ethanol treated neuronal cells. These observations provide a novel biological tool for developing new approaches for preventing neuronal cell death induced by ethanol and possibly treatment of neurological disorders associated with alcohol

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Author

Shohreh Amini; Nana Merabova; Kamel Khalili; Nune Darbinian

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-9541)

Published

2009

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)