Combined methylmalonic acidemia and homocystinuria, cblC type. II. Complications, pathophysiology, and outcomes
- 12 July 2011
- journal article
- review article
- Published by Wiley in Journal of Inherited Metabolic Disease
- Vol. 35 (1), 103-114
- https://doi.org/10.1007/s10545-011-9365-x
Abstract
Combined methylmalonic acidemia and homocystinuria, cblC type, is stated to be the most common inborn error of intracellular cobalamin metabolism. The disorder can display a wide spectrum of clinical manifestations, spanning the prenatal period through late adulthood. While increased homocysteine concentrations and impaired methyl group metabolism may contribute to disease‐related complications, the characteristic macular and retinal degeneration seen in many affected patients appears to be unique to cblC disease. The early detection of cblC disease by newborn screening mandates a careful assessment of therapeutic approaches and provides a new opportunity to improve the outcome of affected patients. The following article reviews the current knowledge on the complications, pathophysiology, and outcome of cblC disease in an effort to better guide clinical practice and future therapeutic trials.Keywords
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