2022, Number 1
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Rev Hematol Mex 2022; 23 (1)
Prognostic value of mutations in DNMT3A, TET2, IDH and IDH2 in acute myeloid leukemia
García-Solorio J, Cortés-Penagos C
Language: Spanish
References: 32
Page: 48-57
PDF size: 394.88 Kb.
ABSTRACT
Objective: To describe the prognostic value of mutations in the DNMT3A, TET2, IDH1
and IDH2 reported in the scientific literature and their coexistence with the markers that
define acute myeloid leukemia entities according to the World Health Organization.
Methodology: Systematic review of scientific reports from journals with an impact
factor greater than 2 in the period 2009 to 2021.
Results: The analysis of 1175 cases of acute myeloid leukemia with reported mutations
in DNMT3A, TET2, IDH1 and IDH2 showed an association of 94.2% with the
molecular marker NPM1. The coexistence of these mutations with balanced translocations
was rare; however, some reports of coexistence with the chromosomal alterations
t(8;21), inv16 and t(15;17) were found. Prognostic reports for these epigenetic markers
were diverse for TET2, IDH1, and IDH2, while for DNMT3A was consistently adverse.
Conclusions: Changes in DNMT3A are common in NPM1-positive acute myeloid
leukemia. According to the reports analyzed, this association implies a change in the
prognosis of the disease, moving from a favorable condition to a poor prognosis.
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