منابع مشابه
Oculocutaneous albinism type 2
Oculocutaneous albinism represents a group of inherited skin disorders characterized by a generalized reduction of cutaneous, ocular, and pilar pigmentation from the time of birth. Oculocutaneous albinism types I and II are the most common, with several other types described. A defect in the melanin synthesis pathway, resulting in reduced formation of melanin, is responsible for oculocutaneous ...
متن کاملOculocutaneous albinism
Oculocutaneous albinism (OCA) is a group of inherited disorders of melanin biosynthesis characterized by a generalized reduction in pigmentation of hair, skin and eyes. The prevalence of all forms of albinism varies considerably worldwide and has been estimated at approximately 1/17,000, suggesting that about 1 in 70 people carry a gene for OCA. The clinical spectrum of OCA ranges, with OCA1A b...
متن کاملA Japanese Family With Autosomal Dominant Oculocutaneous Albinism Type 4.
Purpose We report the clinical characteristics of a Japanese family with autosomal dominant oculocutaneous albinism and a SLC45A2 gene mutation. Methods A total of 16 members of a Japanese family with general hypopigmentation and foveal hypoplasia underwent detailed clinical examinations. We evaluated the severity of foveal hypoplasia using spectral-domain optical coherence tomography (SD-OCT...
متن کاملP gene mutations associated with oculocutaneous albinism type II (OCA2).
Oculocutaneous albinism type II (OCA2) is the most common form of albinism in humans. OCA2 has been previously associated with mutations of the P gene, the human homologue to the murine pink-eyed dilution gene. The P gene encodes a 110 kDa protein containing 12 potential membrane spanning domains and is associated with melanosomal membranes. The specific function of the P protein is currently u...
متن کاملDistribution of oculocutaneous albinism in Zimbabwe.
A survey of 1.3 million schoolchildren in Zimbabwe identified a total of 278 pupils with oculocutaneous albinism (OCA), giving a prevalence of 1 in 4728. Pupils with OCA were identified in every province of the country, but the distribution was not even. In certain areas, notably the capital, Harare, and the eastern province of Manicaland, the frequency was significantly higher than in others. ...
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ژورنال
عنوان ژورنال: Pigment Cell Research
سال: 2001
ISSN: 0893-5785
DOI: 10.1034/j.1600-0749.2001.140603.x