CLONING OF THE HMG CO-A SYNTHASE GENE

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The long range goal of this project is to enlarge our understanding of the genetic regulation of enzymes in cholesterol biosysnthesis. Such studies derive their scientific significance both from some unusual opportunities in this system to study transcriptional control of gene expession and the utilization of insights derived from these studies to increase our understanding of the pathogenesis and eventual chemotherapy of atherosclerotic cardiovascular disease. Specifically, this project describes studies directed at cloning the human gene for the enzyme 3-hydroxy-3-methyglutaryl coenzyme A synthases by the technique of DNA mediated gene transfer. The methodology proposed provides a vehicle not only for cloning informational elements of the gene, but for cloning regulatory sequences involved in its epxression as well. We also proposed to determine where within such cloned DNA sequences the regulatory sequences lie, the construction of restriction maps on both the functional gene and its regulatory component, and finally the identification and activity of specific DNA sequences which determine the regulated expression of this gene.