Regulation of Adipogenesis and Lipid Deposits by Collapsin Response Mediator Protein 2

doi:10.3390/ijms21062172

中山醫學大學機構典藏 CSMUIR > 中山醫學大學研究成果 > 期刊論文 > Item 310902500/24621

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題名:	Regulation of Adipogenesis and Lipid Deposits by Collapsin Response Mediator Protein 2
作者:	Chang, YH;Tsai, JN;Chang, SW;Hsu, WT;Yang, CP;Hsiao, CW;Shiau, MY
關鍵詞:	adipogenesis;collapsin response mediator protein 2;glycogen synthase kinase-3 beta;obesity;lipid metabolism;neurodegenerative disease
日期:	2020
上傳時間:	2022-08-09T08:05:19Z (UTC)
出版者:	MDPI
摘要:	As emerging evidence suggesting neurodegenerative diseases and metabolic diseases have common pathogenesis, we hypothesized that the neurite outgrowth-controlling collapsin response mediator protein 2 (CRMP2) was involved in energy homeostasis. Therefore, putative roles of CRMP2 in adipocyte differentiation (adipogenesis) and lipid metabolism were explored and addressed in this study. CRMP2 expression profiles were in vitro and in vivo characterized during adipogenic process of 3T3-L1 pre-adipocytes and diet-induced obese (DIO) mice, respectively. Effects of CRMP2 on lipid metabolism and deposits were also analyzed. Our data revealed that CRMP2 expression pattern was coupled with adipogenic stages. CRMP2 overexpression inhibited cell proliferation at MCE phase, and significantly reduced lipid contents by down-regulating adipogenesis-driving transcription factors and lipid-synthesizing enzymes. Interestingly, GLUT4 translocation and the lipid droplets fusion were disturbed in CRMP2-silencing cells by affecting actin polymerization. Moreover, adipose CRMP2 was significantly increased in DIO mice, indicating CRMP2 is associated with obesity. Accordingly, CRMP2 exerts multiple functions in adipogenesis and lipid deposits through mediating cell proliferation, glucose/lipid metabolism and cytoskeleton dynamics. The present study identifies novel roles of CRMP2 in mediating adipogenesis and possible implication in metabolic disorders, as well as provides molecular evidence supporting the link of pathogenesis between neurodegenerative diseases and metabolic abnormalities.
URI:	http://dx.doi.org/10.3390/ijms21062172 https://www.webofscience.com/wos/woscc/full-record/WOS:000529890200268 https://ir.csmu.edu.tw:8080/handle/310902500/24621
關聯:	INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ,2020 ,v21 ,issue 6
顯示於類別:	[中山醫學大學研究成果] 期刊論文

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