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Mol Cells. 1997 Apr 30;7(2):187-91.

Prevalent and novel mutations of the tyrosinase gene in Korean patients with tyrosinase-deficient oculocutaneous albinism.

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Department of Biochemistry, College of Science, Seoul, Korea.


We analyzed the tyrosinase (TYR) gene of 12 Korean patients with various types of oculocutaneous albinism (OCA). We identified five different mutations in the TYR gene in 4 patients with severe OCA and in 2 patients with mild OCA, but found no mutations in the 6 patients with mild OCA phenotypes. Among the 5 mutations, a frameshift mutation, P310insC, was detected most frequently (allele frequency = 0.5), and the other mutations were found less frequently, two of which, L288delT and IVS2-7t-->a,-10(-)-11deltt, are novel. This study may provide valuable information for the molecular diagnosis of and accurate genetic counseling for OCA1 in Koreans and perhaps other Asian groups.

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