Abstract
We have applied the polymerase chain reaction to detect differences in relative amount of allele-specific transcripts of the low density lipoprotein receptor gene in individuals with heterozygous familial hypercholesterolemia (FH). This method is based on detection of loss of heterozygosity of exon-specific restriction fragment length polymorphisms present in amplified mRNA fragments as compared to amplified genomic DNA fragments. We detected loss of allele-specific mRNA in 20% of informative FH patients. In principle, this method enables the analysis of relative allele-specific transcript levels of any expressed gene and can thus be generally applied to study processes involving differential gene expression.
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More From: Biochemical and Biophysical Research Communications
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