Clonal analysis in acute myeloid leukemia by polymerase chain reaction (original) (raw)

Gaoxiong yi xue ke xue za zhi = The Kaohsiung journal of medical sciences, 1995

Abstract

We have used PCR to amplify a polymorphic portion of the X-chromosome linked phosphoglycerate kinase gene (PGK) combined with a methylation-sensitive restriction enzyme digestion of the active X chromosome to examine the frequency of heterozygosity in Taiwanese females and analyze clonality in 18 female patients with acute myeloid leukemia (AML). We used hair follicles as normal tissue control. We found that the incidence of heterozygosity of the PGK gene in 102 hematological normal females and 18 patients tested was 35% (42/120). In five AML patients, a monoclonal X-inactivation pattern of leukemic blasts was found at presentation, which then returned to polyclonal at remission. In two of these five cases, a monoclonal pattern recurred at relapse. We also found that the hair follicles were readily accessible normal tissue for control, were easy to obtain, and were non-invasive.

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