Vigilin binding selectively inhibits cleavage of the vitellogenin mRNA 3'-untranslated region by the mRNA endonuclease polysomal ribonuclease 1

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Vigilin binding selectively inhibits cleavage of the vitellogenin mRNA 3'-untranslated region by the mRNA endonuclease polysomal ribonuclease 1.

In Xenopus, estrogen induces the stabilization of vitellogenin mRNA and the destabilization of albumin mRNA. These processes correlate with increased polysomal activity of a sequence-selective mRNA endonuclease, PMR-1, and a hnRNP K homology-domain RNA-binding protein, vigilin. Vigilin binds to a region of the vitellogenin mRNA 3'-untranslated region (3'-UTR) implicated in estrogen-mediated sta...

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Cleavage properties of an estrogen-regulated polysomal ribonuclease involved in the destabilization of albumin mRNA.

Previous work from this laboratory [Dompenciel,R.E., Garnepudi,V.R. and Schoenberg,D.R. (1995)J. Biol. Chem.270, 6108-6118] described the purification and properties of an estrogen-regulated endonuclease isolated from Xenopus liver polysomes that is involved in the destabilization of albumin mRNA. The present study mapped cleavages made by this enzyme onto the secondary structure of the portion...

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The 3'-untranslated region of ADAMTS1 regulates its mRNA stability.

ADAMTS1 (a disintegrin and metalloproteinase with thrombospondin motifs 1) is an inflammatory-induced gene. We have previously reported that ADAMTS1 was strongly but transiently expressed in the infarcted heart. In this study, we investigated whether a 3'-untranslated region (UTR) affects the mRNA stability of this gene. When stimulated with tissue necrosis factor (TNF)-alpha, the expression le...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2000

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.220425497