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PRAME expression in hairy cell leukemia

Evgeny Arons1, Tara Suntum, Inger Margulies

  • 1Laboratories of Molecular Biology and Clinical Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4255, United States.

Leukemia Research
|February 26, 2008
PubMed

PRAME has been proposed as a useful marker for solid tumors and acute B-cell malignancies. Several studies demonstrate expression in CLL. To further examine its B-cell tumor distribution, we studied PRAME in both CLL and hairy cell leukemia (HCL). While by conventional PCR only 8% of 37 HCL and 27% of 22 CLL patients were positive, nearly all patients and normal donors expressed PRAME by real-time quantitative (TaqMan) PCR. We conclude that HCL and CLL differ in PRAME overexpression, and that basal normal expression of PRAME may limit its usefulness for following patients with minimal residual CLL or HCL.

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