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Leuk Res. 2004 Nov;28(11):1181-7.

Analysis of hematopoietic progenitor cells in patients with myelodysplastic syndromes according to their cytogenetic abnormalities.

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1
Department of Hematology, Hospital Clínico Universitario de Salamanca, Paseo de San Vicente 58-182, 37007, Spain.

Abstract

The present work analyzes the hematopoietic progenitor cells (HPC) in myelodysplastic syndrome (MDS) patients using both an immunophenotypical and a functional approaches in order to know whether they are similar in patients with or without cytogenetic abnormalities. Among CD34+ HPC, the proportion of myeloid committed progenitors was higher in patients with an abnormal karyotype. Ninety MDS patients were studied. Patients with abnormal karyotype showed a similar platting efficiency than patients with normal cytogenetics. Trisomy 8 and 5q- showed a significant higher P.E. than patients with normal karyotype or monosomy 7. We observed that when the most immature HPC were studied, the total number of granulo-monocytic colonies produced by LTBMC was higher in the normal karyotype group. In summary, the present study shows that in MDS the HPC are impaired; this impairment is deeper in patients with abnormal karyotype.

PMID:
15380343
DOI:
10.1016/j.leukres.2004.02.007
[Indexed for MEDLINE]
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