Novel functional role of CA repeats and hnRNP L in RNA stability

Abstract excerpt

CA dinucleotide repeat sequences are very common in the human genome. We have recently demonstrated that the polymorphic CA repeats in intron 13 of the human endothelial nitric oxide synthase (eNOS) gene function as an unusual, length-dependent splicing enhancer. The CA repeat enhancer requires for its activity specific binding of hnRNP L. Here we show that in the absence of bound hnRNP L, the pre-mRNA is cleaved...

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