A distinct expression of various gene subsets in CD34+ cells from patients with early and advanced myelodysplastic syndrome

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VAŠÍKOVÁ Alžbeta BELIČKOVÁ Monika BUDINSKÁ Eva ČERMÁK Jaroslav

Rok publikování 2010
Druh Článek v odborném periodiku
Časopis / Zdroj Leukemia Research
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
Obor Onkologie a hematologie
Klíčová slova Myelodysplastic syndrome Acute myeloid leukemia Gene expression profiling Microarray CD34+ cells
Popis Gene expression profiles of CD34+ cells were compared between 51 MDS patients and 7 controls. The most up-regulated genes in patients included HBG2, HBG1, CYBRD1, HSPA1B, ANGPT, and MYC, while 13 genes related to B-lymphopoiesis showed down-regulation. We observed in advanced MDS patients decreased expression of genes involved in cell cycle control, DNA repair and increased expression of proto-oncogenes, angiogenic and anti-apoptic genes. The results suggest that increased cell proliferation and resistance to apoptosis together with a loss of cell cycle control, damaged DNA repair and altered immune response may play an important role in malignant clone expansion in MDS.

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