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PEP-1-GSTpi protein enhanced hippocampal neuronal cell survival after oxidative damage
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  • Journal title : BMB Reports
  • Volume 49, Issue 7,  2016, pp.382-387
  • Publisher : Korean Society for Biochemistry and Molecular Biology
  • DOI : 10.5483/BMBRep.2016.49.7.048
 Title & Authors
PEP-1-GSTpi protein enhanced hippocampal neuronal cell survival after oxidative damage
Sohn, Eun Jeong; Shin, Min Jea; Kim, Dae Won; Son, Ora; Jo, Hyo Sang; Cho, Su Bin; Park, Jung Hwan; Lee, Chi Hern; Yeo, Eun Ji; Choi, Yeon Joo; Yu, Yeon Hee; Kim, Duk-Soo; Cho, Sung-Woo; Kwon, Oh Shin; Cho, Yong-Jun; Park, Jinseu; Eum, Won Sik; Choi, Soo Young;
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Reactive oxygen species generated under oxidative stress are involved in neuronal diseases, including ischemia. Glutathione S-transferase pi (GSTpi) is a member of the GST family and is known to play important roles in cell survival. We investigated the effect of GSTpi against oxidative stress-induced hippocampal HT-22 cell death, and its effects in an animal model of ischemic injury, using a cell-permeable PEP-1-GSTpi protein. PEP-1-GSTpi was transduced into HT-22 cells and significantly protected against H2O2-treated cell death by reducing the intracellular toxicity and regulating the signal pathways, including MAPK, Akt, Bax, and Bcl-2. PEP-1-GSTpi transduced into the hippocampus in animal brains, and markedly protected against neuronal cell death in an ischemic injury animal model. These results indicate that PEP-1-GSTpi acts as a regulator or an antioxidant to protect against oxidative stress-induced cell death. Our study suggests that PEP-1-GSTpi may have potential as a therapeutic agent for the treatment of ischemia and a variety of oxidative stress-related neuronal diseases.
Apoptotic signals;Ischemia;Oxidative stress;PEP-1-GSTpi;Protein therapy;
 Cited by
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