Deletion of dinucleotide repeat (Delta 14 allele) in the methylthioadenosine phosphorylase (MTAP) promoter and the allelotype of MTAP promoter in the Japanese population.

Abstract excerpt

5'-deoxy-5'-methylthioadenosine phosphorylase (MTAP) is an enzyme involved in purine and polyamine metabolism and is ubiquitously expressed in normal human tissues and cells. However, this enzyme has been found to be deficient in a variety of human cancers. Although the enzyme deficiency is known to be caused by MTAP gene deletion, human diffuse histiocytic lymphoma cell line DHL-9 without any detectable MTAP...

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