- Human genes involved in cholesterol metabolism: chromosomal mapping of the loci for the low density lipoprotein receptor and 3-hydroxy-3-methylglutaryl-coenzyme A reductase with cDNA probes. Lindgren, V., Luskey, K.L., Russell, D.W., Francke, U. Proc. Natl. Acad. Sci. U.S.A. (1985)