Inherited disorders of cholesterol biosynthesis.
For many decades, cholesterol has been considered an important structural component of cellular membranes and myelin, and a precursor of steroid hormones and bile acids. Moreover, the recognition that high cholesterol levels (hypercholesterolemia) are a major risk factor for the development of heart disease and atherosclerosis has gained enormous attention not only in medicine, medical and pharmacological research, but also from the general public. The discovery of a crucial role of cholesterol in human embryogenesis and the recent identification of a number of inherited disorders of cholesterol biosynthesis also show that low cholesterol levels (hypocholesterolemia) may have severe consequences for human health and development. In the past few years, seven distinct inherited disorders have been linked to different enzyme defects in the cholesterol biosynthetic pathway by the finding of abnormally increased levels of intermediate metabolites in patients followed by the demonstration of disease-causing mutations in genes encoding the implicated enzymes. Patients afflicted with these disorders are characterized by multiple morphogenic and congenital anomalies including internal organ, skeletal and/or skin abnormalities.[1]References
- Inherited disorders of cholesterol biosynthesis. Waterham, H.R. Clin. Genet. (2002) [Pubmed]
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