منابع مشابه
Acute promyelocytic leukemia cases with nonreciprocal PML/RARa or RARa/PML fusion genes.
Tumor-associated chromosome translocations usually lead to the formation of two reciprocal fusion genes: one thought to be involved in the transformation process, the other the mechanical consequence of the translocation event. In the case of acute promyelocytic leukemia (APL) blasts, the 15;17 chromosome translocation generates the putatively transforming PML/RARa fusion gene and its reciproca...
متن کاملExpression and Function of PML-RARA in the Hematopoietic Progenitor Cells of Ctsg-PML-RARA Mice
Because PML-RARA-induced acute promyelocytic leukemia (APL) is a morphologically differentiated leukemia, many groups have speculated about whether its leukemic cell of origin is a committed myeloid precursor (e.g. a promyelocyte) versus an hematopoietic stem/progenitor cell (HSPC). We originally targeted PML-RARA expression with CTSG regulatory elements, based on the early observation that thi...
متن کاملFISH Detection of PML-RARA Fusion in ins(15;17) Acute Promyelocytic Leukaemia Depends on Probe Size
The diagnosis of acute promyelocytic leukaemia (APL) is usually confirmed by cytogenetics showing the characteristic t(15;17), but a minority of patients have a masked PML/RARA fusion. We report ten patients with APL and no evidence of the t(15;17), in whom the insertion of RARA into PML could not be demonstrated by initial FISH studies using a standard dual fusion probe but was readily identif...
متن کاملTherapy-induced PML/RARA proteolysis and acute promyelocytic leukemia cure.
Acute promyelocytic leukemia (APL) is characterized by a specific t(15;17) chromosomal translocation that yields the PML/RARA fusion gene. Clinically, besides chemotherapy, two drugs induce clinical remissions: retinoic acid (RA) and arsenic trioxide (As). Both agents directly target PML/RARA-mediated transcriptional repression and protein stability, inducing to various extent promyelocyte diff...
متن کاملMolecular Heterogeneity in Acute Promyelocytic Leukemia - a Single Center Experience from India
Atypical breakpoints and variant APL cases involving alternative chromosomal aberrations are seen in a small subset of acute promyelocytic leukemia (APL) patients. Over seven different partner genes for RARA have been described. Although rare, these variants prove to be a diagnostic challenge and require a combination of advanced cytogenetic and molecular techniques for accurate characterizatio...
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ژورنال
عنوان ژورنال: Blood
سال: 2021
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.2021010965