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	Positional and expressive alteration of prohibitin during the induced differentiation of human hepatocarcinoma SMMC-7721 cells
	Tang, Jian ; Li, Qi-Fu ; Li QF(李祺福) ; Shi, Song-Lin ; Shi SL(石松林) ; Chen, Xiang-Feng ; Liang, Ying ; Xu, Dong-Hui（ Fujian Med Univ）
	2008
关键词	prohibitin nuclear matrix SMMC-7721 cells hexamethylamine bisacetamide cell differentiation
英文摘要	AIM: To explore the existence and distribution of prohibitin (PHB)in nuclear matrix and its co-localization with products of some related genes during the differentiation of human hepatocarcinoma SMMC-7721 cells. METHODS: The nuclear matrix of the SMMC-7721 cells cultured with or without 5 x 10(-3) mmol/L hexamethylene bisacetamide (HMBA) was selectively extracted. Western blot was used to analyze the expression of PHB in nuclear matrix; immunofluorescence microscope observation was used to analyze the distribution of PHB in cell. LCSM was used to observe the co-localization of PHB with products of oncogenes and tumor suppressor genes. RESULTS: Western blot analysis showed that PHB existed in the composition of nuclear matrix proteins and was down-regulated by HMBA treatment. Immunofluorescence observation revealed that PHB existed in the nuclear matrix, and its distribution regions and expression levels were altered after HMBA treatment. Laser scanning confocal microscopy revealed the co-localization between PHB and the products of oncogenes or tumor repression genes including c-fos, c-myc, p53 and Rb and its alteration of distributive area in the cells treated by HMBA. CONCLUSION: These data confirm that PHB is a nuclear matrix protein, which is located in the nuclear matrix, and the distribution and expression of PHB and its relation with associated genes may play significant roles during the differentiation of SMMC-7721 cells. (C) 2008 The WIG Press. All rights reserved.; The National Natural Science Foundation of China [30470877]; Chinese Postdoctoral Science Foundation [20070420754]; Natural Science Foundation of Fujian Province of China [2008J0302]
语种	英语
出版者	W J G PRESS
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.3748/wjg.14.5008]
专题	生命科学－已发表论文
推荐引用方式 GB/T 7714	Tang, Jian,Li, Qi-Fu,Li QF,et al. Positional and expressive alteration of prohibitin during the induced differentiation of human hepatocarcinoma SMMC-7721 cells[J],2008.
APA	Tang, Jian.,Li, Qi-Fu.,李祺福.,Shi, Song-Lin.,石松林.,...&Xu, Dong-Hui.(2008).Positional and expressive alteration of prohibitin during the induced differentiation of human hepatocarcinoma SMMC-7721 cells..
MLA	Tang, Jian,et al."Positional and expressive alteration of prohibitin during the induced differentiation of human hepatocarcinoma SMMC-7721 cells".(2008).

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