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논문 기본 정보

자료유형
학술저널
저자정보
Min Ho Lee (Yonsei University) Byung Chul Jung (Yonsei University) Sung Hoon Kim (Yonsei University) Juyeon Lee (Yonsei University) Dongju Jung (University of Oklahoma Health Sciences Center) Jang-Eun Cho (Daegu Health College) Ki-Jong Rhee (Yonsei University) Yoon Suk Kim (Yonsei University)
저널정보
대한의생명과학회 대한의생명과학회지 대한의생명과학회지 제19권 제2호
발행연도
2013.6
수록면
83 - 89 (7page)

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초록· 키워드

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Parkin is a protein known to have tumor suppressive functions. In a previous study, we determined that Parkin expression restores susceptibility to TNF-α-induced death in HeLa cells. β-catenin is a key protein in the Wnt signaling pathway and excessive activation of the β-catenin pathway can promote cancer development. In this study, we found that β-catenin levels decreased dramatically in Parkin over-expressing HeLa cells treated with TNF-α. We used chemical inhibitors of cell signaling pathways to identify the signaling molecules involved in β-catenin down-regulation. Our results indicate that the PKC inhibitor (RO-31-7549) blocked parkin-induced down-regulation of β-catenin. We also show that Parkin-induced decrease in cell viability in TNF-α-treated HeLa cells is alleviated upon treatment with a PKC inhibitor. Taken together, these results suggest the possibility that β-catenin reduction may be associated with Parkin-induced decrease of cell viability in TNF-α treated HeLa cells.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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