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Type: Artigo de periódico
Title: Distinct expression profiles of MSI2 and NUMB genes in myelodysplastic syndromes and acute myeloid leukemia patients
Author: Pereira, JKN
Traina, F
Machado-Neto, JA
Duarte, ADS
Lopes, MR
Saad, STO
Favaro, P
Abstract: Recent studies have indicated the Musashi2/NUMB pathway as the key regulator of differentiation in chronic myeloid leukemia; however, a comparison of both gene expressions has not yet been made in myelodysplastic syndrome (MDS) and in acute myeloid leukemia (AML). We herein, demonstrate a statistically significant down-modulation of NUMB expression level in high-risk MDS and AML, compared with control individuals. MSI2 expression was significantly reduced in low and high-risk MDS compared with normal control samples. NUMB expression was significantly lower than that of MSI2 in both MDS and AML patient samples, but no differences in the expression levels for either gene were observed in healthy bone marrow cells. Finally, NUMB expression was significantly up-regulated during differentiation of normal and low-risk MDS CD34(+) cells through the erythroid lineage. Taken together, results suggest the involvement of NUMB in MDS erythropoiesis; its down-modulation may have a role in MDS progression. (C) 2012 Elsevier Ltd. All rights reserved.
Subject: Musashi 2
Myelodysplastic syndromes
Acute myeloid leukemia
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Leukemia Research. Pergamon-elsevier Science Ltd, v. 36, n. 10, n. 1300, n. 1303, 2012.
Rights: fechado
Identifier DOI: 10.1016/j.leukres.2012.06.010
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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