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The -()(5.2) Deletion Detected in a Uruguayan Family: First Case Report in the Americas

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Autor(es):
Maria Soler, Ana ; Schelotto, Magdalena ; de Oliveira Mota, Natalia ; Dorta Ferreira, Roberta ; de Fatima Sonati, Maria ; Abayuba da Luz, Julio
Número total de Autores: 6
Tipo de documento: Artigo Científico
Fonte: HEMOGLOBIN; v. 40, n. 4, p. 289-292, AUG 2016.
Citações Web of Science: 0
Resumo

In Uruguay, -thalassemia (-thal) mutations were introduced predominantly by Mediterranean European immigrant populations and by slave trade of African populations. A patient with anemia with hypochromia and microcytosis, refractory to iron treatment and with normal hemoglobin (Hb) electrophoresis was analyzed for -thal mutations by multiplex gap-polymerase chain reaction (gap-PCR), automated sequencing and multiplex ligation-dependent probe amplification (MLPA) analyses. Agarose gel electrophoresis of the multiplex gap-PCR showed a band of unexpected size (approximately 700bp) in the samples from the proband and mother. Automated sequencing of the amplified fragment showed the presence of the -()(5.2) deletion (NG\_000006.1: g.32867\_38062del5196) {[}an -thal-1 deletion of 5196 nucleotides (nts)]. The MLPA analysis of the proband's sample also showed the presence of the -()(5.2) deletion in heterozygous state. We report here the presence of the -()(5.2) deletion, for the first time in the Americas, in a Uruguayan family with Italian ancestry, detected with a previously described multiplex gap-PCR. (AU)

Processo FAPESP: 14/00984-3 - Doenças dos glóbulos vermelhos: fisiopatologia e novas abordagens terapêuticas
Beneficiário:Fernando Ferreira Costa
Linha de fomento: Auxílio à Pesquisa - Temático