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Detección molecular del gen BCR-ABL por RT-PCR en niños costarricenses con leucemia
Jiménez-Arce, Gerardo; Carrillo, Juan; Chaves, Mario; Jiménez, Rafael; Vargas, Mario; Campos, Liliana; de la Guardia, Ana; Valverde, Berta.
  • Jiménez-Arce, Gerardo; s.af
  • Carrillo, Juan; s.af
  • Chaves, Mario; s.af
  • Jiménez, Rafael; s.af
  • Vargas, Mario; s.af
  • Campos, Liliana; s.af
  • de la Guardia, Ana; s.af
  • Valverde, Berta; s.af
Rev. biol. trop ; 56(4): 1613-1618, Dec. 2008. graf
Article in Spanish | LILACS | ID: lil-637765
ABSTRACT
Molecular detection of the BCR-ABL gen by RT-PCR In Costa Rican children with leukemia. Many leukemias could have chromosomic translocations and according to the transcripts formed by the genes involved, the patients present an specific phenotype of the leukemia. We show the first results of the investigation of the gen BCR-ABL using RT-PCR, in order to look for the t(9;22)(q34;q11) in pediatric leukemic children. We studied in total 55 patients, 6 (10.9%) of them were positive for that translocation. Two (3.63%) of the positive children had ALL and the other 4 (7.27%) presented CML, the genotyping analysis of the transcript was studied in these children. With the introduction of this methodology as part of the routine studies, the leukemic children could get in the future an specific diagnosis, that will be important to classify them in prognostic categories and to improve the detection of minimal residual disease. Rev. Biol. Trop. 56 (4) 1613-1618. Epub 2008 December 12.
RESUMEN
Muchas leucemias pueden presentar traslocaciones cromosómicas, las cuales, de acuerdo a los transcriptos formados por los genes involucrados, originará un fenotipo leucémica variable. En este trabajo se muestran los primeros resultados de pacientes pediátricos con leucemia, a los cuales se les hizo el estudio molecular por RT-PCR y el genotipaje para el gen BCR-ABL producto de la t(9;22)(q34;q11). De las 55 muestras estudiadas, 6 (10.9%) fueron positivas para el transcripto mencionado. De las 6 positivas, 2(3.63%) de esos pacientes tenían LLA y 4 (7.27%) eran LMC. La introducción de esta metodología en el manejo rutinario de los niños con leucemia, servirá para establecer un diagnóstico más preciso, un pronóstico más certero y un seguimiento adecuado de la enfermedad mínima residual.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Biomarkers, Tumor / Genes, abl / Fusion Proteins, bcr-abl / Precursor Cell Lymphoblastic Leukemia-Lymphoma Type of study: Diagnostic study / Prognostic study Limits: Child / Humans Language: Spanish Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2008 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Biomarkers, Tumor / Genes, abl / Fusion Proteins, bcr-abl / Precursor Cell Lymphoblastic Leukemia-Lymphoma Type of study: Diagnostic study / Prognostic study Limits: Child / Humans Language: Spanish Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2008 Type: Article