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The steady-state levels of many mRNAs are determined in part by their turnover rates. Turnover rates, in turn, are usually controlled by proteins that bindcis-acting sequence elements in mRNAs. One class ofcis-acting instability determinants is composed of A+U-rich elements present in the 3′-UTRs of many labile mRNAs. Many A+U-rich elements are bound by the AUF1 family of RNA-binding proteins, which...
Hereditary predisposition to multiple exostoses is a genetically heterogeneous disease. Recently, we have reported the identification of the EXT1 gene on human chromosome 8. We have now isolated a cDNA clone from a human adult lung cDNA library and have determined the genomic organization and promoter structure of the EXT1 gene. The gene is composed of 11 exons, ranging from 90 to 1735 bp, and spans...
Messenger RNAs encoding many oncoproteins and cytokines are relatively unstable. Their instability, which ensures appropriate levels and timing of expression, is controlled in part by proteins that bind to A+U-rich instability elements (AREs) present in the 3′-untranslated regions of the mRNAs. cDNAs encoding the AUF1 family of ARE-binding proteins were cloned from human and murine cDNA libraries...
Genetic linkage analysis has previously mapped the locus for the autosomal dominant disorder branchio-oto-renal syndrome (BOR) to the pericentric region of chromosome 8q. A YAC contig spanning the putative BOR region, from D8S543 to D8S541, was constructed and confirmed by sequence-tagged site content mapping using microsatellite markers and by DNA hybridization analysis. YACs spanning the BOR interval...
We have constructed a physical map covering over 4 Mb of human chromosome 8q24.1 and used this map to refine the locations of the genes responsible for Langer-Giedion syndrome. The map is composed of overlapping YAC clones that were identified and ordered in relation to sequence tagged sites mapped to the Langer-Giedion chromosomal region on somatic cell hybrids. The minimal region of overlap of Langer-Giedion...
Microcell hybrids containing various regions of human chromosome 8 were formed by microcell-mediated transfer of neo-tagged chromosome 8 into the cells derived from severe combined immunodeficiency (SCID) mouse. Thus, 110 cosmid markers were isolated from SV40-transformed SCID fibroblast cell line (SCVA) containing a p12-q11.1 region of human chromosome 8 and were assigned to eight regions in 8p12-q11...
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