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Báo cáo khoa học: Ras oncogene induces b-galactoside a2,6-sialyltransferase (ST6Gal I) via a RalGEF-mediated signal to its housekeeping promoter

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:12

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Several oncogenic proteins are known to influence cellular glycosylation. In particular, transfection of codon 12 point mutated H-Ras increases CMP-Neu5Ac: Galb1,4GlcNAc a2,6-sialyltransferase I (ST6Gal I) activity in rodent fibroblasts. Given that Ras mediates its effects through at least three secondary effector pathways (Raf, RalGEFs and PI3K) and that transcriptional control ofmouse ST6Gal I is achieved by the selective use of multiple promoters, we attempted to identifywhichof these parameters are involved in linking the Ras signal to ST6Gal I gene transcription in mouse fibroblasts. ...

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Nội dung Text: Báo cáo khoa học: Ras oncogene induces b-galactoside a2,6-sialyltransferase (ST6Gal I) via a RalGEF-mediated signal to its housekeeping promoter

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