Apolipoprotein E mimetic peptide protects against diffuse brain injury.

Abstract:

:Apolipoprotein E plays a crucial role in inhibiting chronic neurodegenerative processes. However, its impact on neurological function following diffuse brain injury is still unclear. This study was designed to evaluate the therapeutic effects and mechanisms of action of apolipoprotein E mimetic peptide on diffuse brain injury. Apolipoprotein E mimetic peptide was administered into the caudal vein of rats with diffuse brain injury before and after injury. We found that apolipoprotein E mimetic peptide significantly decreased the number of apoptotic neurons, reduced extracellular signal-regulated kinase1/2 phosphorylation, down-regulated Bax and cytochrome c expression, decreased malondialdehyde content, and increased superoxide dismutase activity in a dose-dependent manner. These experimental findings demonstrate that apolipoprotein E mimetic peptide improves learning and memory function and protects against diffuse brain injury-induced apoptosis by inhibiting the extracellular signal-regulated kinase1/2-Bax mitochondrial apoptotic pathway.

journal_name

Neural Regen Res

authors

Zhao Y,Li J,Tang Q,Gao J,Chen C,Jing L,Zhang P,Li S

doi

10.4103/1673-5374.130060

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

463-73

issue

5

eissn

1673-5374

issn

1876-7958

pii

NRR-9-463

journal_volume

9

pub_type

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