Correlation between leucine rich domain and the stability of LRWD1 protein in human NT2/D1 cells

doi:10.1016/j.advms.2014.07.002

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標題:	Correlation between leucine rich domain and the stability of LRWD1 protein in human NT2/D1 cells
作者:	Tsai, Yung-Chieh Teng, Yen-Ni Hung, Jui-Hsiang Wu, Chien-Hsing Kuo, Yu-Ting Kuo, Pao-Lin Chiu, Chien-Chih Huang, Bin
貢獻者:	運動管理系生物科技系
關鍵字:	LRWD1 Leucine rich domain Spermatogenesis Co-immunoprecipitation Proteomics
日期:	2014-09
上傳時間:	2015-05-06 21:19:42 (UTC+8)
出版者:	Medical Univ Bialystok
摘要:	Purpose: LRWD1 is a protein that contains LRR and WDs domains and is important in regulating spermatogenesis. However, the roles of LRR or WDs domains in the expression of LRWD1 remain unclear. Materials and methods: The NT2/D1 cells separately transfected with full length of LRWD1 gene (LRWDWT) or genes with deleted sequences in the LRR domain (LRWD1 (Delta LRR)), WD1 domain (LRWD1 (Delta WD1)), WD2 domain (LRWD1(Delta WD2)), WD3 domain (LRWD1(Delta WD3)) and entire three WD domains (LRWD1(Delta 3xWD)) were applied to investigate the expression levels of LRWD1 protein by either Western blot or flow cytometry. The associated proteins in these mutated LRWD1 proteins were identified by mass spectrometry. Results: Deletion of the LRR domain significantly decreased the expression of LRWD1 protein. With the treatment of MG132, the LRR domain may functions in preventing LRWD1 protein from proteasomemediated degradation. In the co-immunoprecipitation analysis, protein receptor of tumor necrosis factor 2 (TNFR2) was specifically observed to be associated with LRR-deficient LRWD1 protein. Conclusions: The LRR domain is significantly correlated to the stability of LRWD1 protein. Determining if the stability is modulated by TNFR2 is worthy of further study. (C) 2014 Medical University of Bialystok. Published by Elsevier Urban & Partner Sp. z o.o. All rights reserved.
關聯:	Advances In Medical Sciences, v.59 n.2, pp.266-272
显示于类别:	[生物科技系(所)] 期刊論文 [運動管理系] 期刊論文

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