Chlorogenic acid alleviates the reduction of 14-3-3 protein in the cerebral cortex of stroke animal model
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서지정보
ㆍ발행기관 : 한국예방수의학회(구 한국수의공중보건학회)
ㆍ수록지정보 : 예방수의학회지 / 47권 / 3호
ㆍ저자명 : Murad-Ali Shah, Yeung Bae Jin, Myeong-Ok Kim, Phil-Ok Koh
ㆍ저자명 : Murad-Ali Shah, Yeung Bae Jin, Myeong-Ok Kim, Phil-Ok Koh
목차
INTRODUCTIONMATERIALS AND METHODS
Experimental animal and drug treatment
Middle cerebral artery occlusion (MCAO)
Adhesive removal test
Two-dimensional gel electrophoresis
Reverse transcription-polymerase chain reaction
Western blot analysis
Statistical analysis
RESULTS
DISCUSSION
Acknowledgments
영어 초록
Ischemic stroke causes severe neuronal damage. Chlorogenic acid is a phenolic substance present in fruits and coffee. It also exerts neuroprotective effects against various brain injuries. The 14-3-3 family protein perform a variety of functions including metabolism, signal transduction, cell differentiation, and apoptosis. The purpose of this study is to investigate whether chlorogenic acid regulates the expression of 14-3-3 protein in stroke animal models. Ischemic stroke was induced by middle cerebral artery occlusion (MCAO) surgery. Phosphate buffered saline (PBS) or chlorogenic acid (30 mg/kg) were intraperitoneally injected to adult male rats 2 h before MCAO surgery. Adhesive-removal test was performed 24 h after MCAO surgery and cerebral cortical tissues were collected for further study. MCAO damage caused severe neurological impairment and chlorogenic acid treatment ameliorated this disorder. Our proteomic approach showed a decrease in 14-3-3 expression in MCAO animals with PBS. The decrease in 14-3-3 expression alleviated in MCAO animal with chlorogenic acid. We confirmed changes in various 14-3-3 protein isoforms, including beta/alpha, zeta/delta, gamma, epsilon, eta, and tau through reverse transcription-PCR. These results explained that chlorogenic acid regulates the expression of 14-3-3 protein in MCAO-induced cerebral ischemia. 14-3-3 is considered to be an important protein for cell survival through binding to pro-apoptotic proteins. The maintenance of 14-3-3 levels is an important event in neuroprotection against ischemic injury. Therefore, we can demonstrate that the 14-3-3 protein contributes to the neuroprotective effect of chlorogenic acid in stroke animal models.참고 자료
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