TRANSLATIONAL CONTROL MEDIATED BY UA-RICH SEQUENCES

被引:50
作者
KRUYS, V
BEUTLER, B
HUEZ, G
机构
[1] UNIV LIBRE BRUXELLES,DEPT BIOL MOLEC,CHIM BIOL LAB,RUE CHEVAUX 67,B-1640 RHODE ST GENESE,BELGIUM
[2] UNIV TEXAS,SW MED CTR,HOWARD HUGHES MED CTR,DALLAS,TX 75230
[3] UNIV TEXAS,SW MED CTR,DEPT INTERNAL MED,DALLAS,TX 75230
关键词
3'-UNTRANSLATED REGION; MESSENGER RNA DEGRADATION; CYTOKINES; XENOPUS OOCYTES; MACROPHAGES; INTERFERON; TNF; GM-CSF;
D O I
10.1159/000468757
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Several messenger RNAs coding for cytokines, growth factors or oncoproteins contain a conserved UA-rich sequence in their 3' untranslated regions. This sequence, which is composed of several interspersed repeats of the octanucleotide UUAUUUAU, is a key element in the posttranscriptional regulation of these mRNAs. Previously shown to be involved in mRNA destabilization, these UA-rich elements can also strongly influence mRNA translation. A translation inhibition mediated by these sequences has indeed been observed in vitro as well as in frog oocyte or in somatic cells.
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页码:193 / 202
页数:10
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