Review
Molecular genetics of oculocutaneous albinism
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Review
Molecular genetics of oculocutaneous albinism
Semin Dermatol.
1993 Sep.
Abstract
Oculocutaneous albinism (OCA) is a group of autosomal recessive disorders characterized by deficient synthesis of melanin pigment. Type I (tyrosinase-deficient) OCA results from deficient enzymatic activity of tyrosinase, which catalyzes at least three steps in the melanin biosynthetic pathway. Type II (tyrosinase-positive) OCA results from abnormalities of the "P" polypeptide. Recent application of molecular genetic techniques to the study of these disorders has led to extraordinary advances in knowledge of their molecular pathogenesis, paving the way to improved diagnosis, carrier detection, and even treatment.
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