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논문 기본 정보

자료유형
학술저널
저자정보
Yoon Suk Kim (College of Health Scineces, Yonsei University) Jeonghan Kim (Korea University) Chi A Yi (College of Health Scineces, Yonsei University) Jesang Ko (Korea University) Yong Serk Park (College of Health Scineces, Yonsei University) Seung-Jae Lee (3Department of Biomedical Science and Technology, IBST)
저널정보
대한의생명과학회 대한의생명과학회지 대한의생명과학회지 제18권 제4호
발행연도
2012.12
수록면
329 - 337 (9page)

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초록· 키워드

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α-synuclein (α-syn) is known to be implicated in the pathogenesis of Parkinson"s disease and transiently bind to biological vesicles. In this study, we examined the effect of molecular crowding on the interaction of α-syn with biological vesicles by using inert polymers since the environment of proteins in cells are crowded with other macromolecules. The addition of different polymers including polyethylene glycol, dextran, and ficoll enhanced the binding of α-syn to vesicles in a concentration-dependent manner and the association of α-syn with vesicle was proportionally augmented by increased expression of α-syn. However, molecular crowding had a neglectable effect on the vesicle binding of α-syn mutants (A30P, TG6), which has been reported to show impaired vesicle binding capacity. These results suggest that transient interaction of α-syn with vesicles occurs more commonly in cells than expected implying interaction with vesicles may be one of the physiological processes in which α-syn is involved.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2014-510-000614271