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3β-Hydroxysterol Δ7-reductase and the Smith–Lemli–Opitz syndrome

2004; Elsevier BV; Volume: 84; Issue: 2 Linguagem: Inglês

10.1016/j.ymgme.2004.09.017

1096-7206

Lina S. Correa-Cerro, Forbes D. Porter,

Genetics and Neurodevelopmental Disorders

In the final step of cholesterol synthesis, 7-dehydrocholesterol reductase (DHCR7) reduces the double bond at C7-8 of 7-dehydrocholesterol to yield cholesterol. Mutations of DHCR7 cause Smith–Lemli–Opitz syndrome (SLOS). Over 100 different mutations of DHCR7 have been identified in SLOS patients. SLOS is a classical multiple malformation, mental retardation syndrome, and was the first human malformation syndrome shown to result from an inborn error of cholesterol synthesis. This paper reviews the biochemical, molecular, and mutational aspects of DHCR7.