| Literature DB >> 1849030 |
A Biondi1, A Rambaldi, M Alcalay, P P Pandolfi, F Lo Coco, D Diverio, V Rossi, A Mencarelli, L Longo, D Zangrilli.
Abstract
Acute promyelocytic leukemias (APLs) are characterized by a translocation that involves chromosomes 15 and 17. The translocation breakpoints have recently been identified and shown to involve the RAR-alpha gene on 17 and myl on 15. Here we report Southern blotting analysis of 26 APLs, including cases with normal karyotypes and atypical morphology, which showed RAR-alpha rearrangements in 92% cases, myl rearrangements in 73%, and either RAR-alpha or myl rearrangements in 100%. Despite a negative clinical and morphologic picture, DNA rearrangement analysis showed that neoplastic promyelocytes persisted in the bone marrow of two patients sampled after induction chemotherapy. Therefore, the RAR-alpha and myl rearrangements provide molecular markers for accurately diagnosing APLs and monitoring the course of the disease during and after chemotherapy.Entities:
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Year: 1991 PMID: 1849030
Source DB: PubMed Journal: Blood ISSN: 0006-4971 Impact factor: 22.113