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pubmed:abstractText |
We investigated the dynamics of bone morphogenetic protein (BMP) and their receptor mRNA expression in relation to combined treatment with all trans-retinoic acid (ATRA) and chemotherapy in four patients with acute promyelocytic leukemia (APL). Reverse transcription-polymerase chain reaction (RT-PCR) analysis of the bone marrow cells at diagnosis showed strong expression of BMP-2, -4, and -7, and their receptors RIA, RIB, and RII, parallel to the expression of promyelocytic leukemia/retinoic acid receptor alpha (PML/RARalpha) fusion gene transcripts. Therapeutic clearance of the tumor molecular marker corresponded to the absence of BMP expression, suggesting the possible role of BMPs as markers of the minimal residual disease (MRD) in APL.
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