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| Burnatt,Graciele; Licínio,Marley Aparecida; Gaspar,Pâmela Cristina; Ferreira,Arthur Schveitzer; Reis,Manoela Lira; Moraes,Ana Carolina Rabello de; Sincero,Thaís Cristine Marques; Santos-Silva,Maria Cláudia. |
| ABSTRACT When the FLT3 gene is mutated, it originates a modified receptor with structural changes, which give survival advantage and malignant hematopoietic cell proliferation. Thus, the presence of mutations in this gene is considered an unfavorable prognostic factor. A total of 85 consecutive samples of newly diagnosed untreated patients with AL were included in the study after they provided their informed consent. FLT3 gene mutations were detected by PCR. For the pediatric group, a positive correlation was observed between WBC count and the presence of FLT3-ITD in patients with AML and ALL. Furthermore, children with AML who had the FLT3-ITD mutation showed a tendency to express CD34 in blast cells. In the adult group, the AML patients with FLT3-ITD who... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: FLT3-ITD/mutation; Acute leucemia/prognostic factors; Acute leucemia/adults patients; Acute leucemia/pediatric patients; AML; ALL; FLT3-D835.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502017000200617 |
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| Barbosa,Cynara Gomes; Souza,Claudio Lima; Moura Neto,José Pereira de; Arruda,Maria da Glória Bomfim; Barreto,José Henrique; Reis,Mitermayer Galvão; Goncalves,Marilda Souza. |
| Methylenetetrahydrofolate reductase (MTHFR: EC 1.5.1.20) polymorphisms are associated to acute lymphoid leukemia in different populations. We used the polymerase chain reaction and the restriction fragment length polymorphism method (PCR-RFLP) to investigate MTHFR C677T and A1298C polymorphism frequencies in 67 patients with chronic myeloid leukemia (CML), 27 with acute myeloid leukemia FAB subtype M3 (AML-M3) and 100 apparently healthy controls. The MTHFR mutant allele frequencies were as follows: CML = 17.2% for C677T, 21.6% for A1298C; AML-M3 = 22.2% for C677T, 24.1% for A1298C; and controls = 20.5% for C677T, 21% for A1298C. Taken together, our results provide evidence that MTHFR polymorphisms have no influence on the development of CML or AML-M3. |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: AML; CML; MTHFR polymorphisms. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000100005 |
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