Fibroblast growth factor-2 up-regulates the expression of nestin through the Ras-Raf-ERK-Sp1 signaling axis in C6 glioma cells.

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題名:	Fibroblast growth factor-2 up-regulates the expression of nestin through the Ras-Raf-ERK-Sp1 signaling axis in C6 glioma cells.
作者:	Chang, KW;Chang, KW;黃元勵;Huang, Yuan-Li;Wong, ZR;Wong, ZR;Su, PH;Su, PH;Huang, BM;Huang, BM;Ju, TK;Ju, TK;Yang, HY;Yang, HY
貢獻者:	生物科技學系
日期:	2013-05
上傳時間:	2013-07-11 05:55:48 (UTC+0)
摘要:	Nestin is a 240-kDa intermediate filament protein expressed mainly in neural and myogenic stem cells. Although a substantial number of studies have focused on the expression of nestin during development of the central nervous system, little is known about the factors that induce and regulate its expression. Fibroblast growth factor-2 (FGF-2) is an effective mitogen and stimulates the proliferation and differentiation of a subset of nestin-expressing cells, including neural progenitor cells, glial precursor cells, and smooth muscle cells. To assess whether FGF-2 is a potent factor that induces the expression of nestin, C6 glioma cells were used. The results showed that nestin expression was up-regulated by FGF-2 via de novo RNA and protein synthesis. Our RT-PCR results showed that C6 glioma cells express FGFR1/3, and FGFRs is required for FGF-2-induced nestin expression. Further signaling analysis also revealed that FGF-2-induced nestin expression is mediated through FGFR-MAPK-ERK signaling axis and the transcriptional factor Sp1. These findings provide new insight into the regulation of nestin in glial system and enable the further studies on the function of nestin in glial cells.
關聯:	BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, V.434 N.4 :854–860.
顯示於類別:	[生物科技學系] 期刊論文

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