Publicação: New recurrent deletions in the PPAR gamma and TP53 genes are associated with childhood myelodysplastic syndrome
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Pergamon-Elsevier B.V. Ltd
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Myelodysplastic syndrome (MDS) is a rare hematological malignancy in children. It was performed FISH analysis in 19 pediatric MDS patients to investigate deletions involving the PPAR gamma and TP53 genes. Significant losses in the PPAR gamma gene and deletions in the tumor suppressor gene TP53 were observed in 17 and 18 cases, respectively. Using quantitative RT-PCR, it was detected PPAR gamma transcript downexpression in a subset of these cases. G-banding analysis revealed 17p deletions in a small number of these cases. One MDS therapy-related patient had neither a loss of PPAR gamma nor TP53. These data suggest that the PPAR gamma and TP53 genes may be candidates for molecular markers in pediatric MDS, and that these potentially recurrent deletions could contribute to the identification of therapeutic approaches in primary pediatric MDS. (C) 2008 Elsevier Ltd. All fights reserved.
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FISH, GTG-banding, Chromosomal abnormalities, Myelodysplasic syndrome, Deletion, Chromosome 3, Chromosome 17, PRAR gamma, TP53, Expression analysis
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Inglês
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Leukemia Research. Oxford: Pergamon-Elsevier B.V. Ltd, v. 33, n. 1, p. 19-27, 2009.
