The Molecular Basis of Type I (Tyrosinase-Deficient) Human Oculocutaneous Albinism
โ Scribed by Giebel, Lutz B. ;Spritz, Richard A.
- Book ID
- 111259432
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 610 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0893-5785
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## Communicated by David Vale Type I (tyrosinase related) oculocutaneous albinism (OCA) results from mutations of the tyrosinase gene on chromosome 1 l q that lead to reduced or absent melanin pigment synthesis. The phenotype of Type I OCA is broad, ranging from a total lack to only a moderate red
Type I oculocutaneous albinism (OCA) is caused by the reduction in or absence of activity of tyrosinase in melanocytes in skin, hair, and the eyes, the result of mutations of the tyrosinase gene. To date, a total of 22 unique mutations in the coding region of tyrosinase have been described in the li
Q p e I (tyrosinase-deficient) oculocutaneous albinism (OCA) results from mutations of the gene encoding tyrosinase, the enzyme that catalyzes the first 2 steps of melanin pigment biosynthesis. In type IA (tyrosinase-negative) OCA tyrosinase enzymatic activity is completely absent, and in type IB ("