IngentaConnect Genetic heterogeneity of autosomal dominant hypercholesterolemia

Authors: Varret; Abifadel; Rabès; Boileau

Source: Clinical Genetics, Volume 73, Number 1, January 2008 , pp. 1-13(13)

Abstract:

Varret M, Abifadel M, Rabès J-P, Boileau C. Genetic heterogeneity of autosomal dominant hypercholesterolemia.

Clin Genet 2008: 73: 1-13. © Blackwell Munksgaard, 2008

Autosomal dominant hypercholesterolemia (ADH) is characterized by isolated elevation of plasmatic low-density lipoprotein cholesterol associated with high risk of premature cardiovascular complications. More than 1000 mutations in the LDLR gene and 9 in the APOB gene have been implicated. We have shown further heterogeneity with the discovery of missense mutations in the PCSK9 gene resulting in ADH. Different studies have tried to evaluate the respective contribution of mutations in each gene to the disease, but results were not always in agreement. After a brief overview of mutations reported for each gene, strategies and results of these different studies are reviewed and analyzed. Altogether, numerous reports give evidence for the existence of a greater level of genetic heterogeneity in ADH and the involvement of still unknown genes.

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