2010
DOI: 10.1590/s1516-84842010000500019
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Caracterização molecular e laboratorial da talassemia beta e da interação hemoglobina S/talassemia beta

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Cited by 3 publications
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“…The explanation might be the different degree of suspension of the beta globin synthesis with mutations present in the Greek (7) (Caucasians) and Brazilian (mixed race) populations. The Brazilian population of S/Beta thalassemia might have benign African mutations (2,(14)(15)(16)(17) besides the classical Mediterranean ones. In the Mediterranean region, two-thirds of the population with sickle cell disease is composed of S/Beta thalassemia with severe mutations in contrast to the Brazilian population with an absolute predominance of homozygous S. The study by Rigano (8) of 22 S/Beta thalassemia individuals showed a significant increase (p-value < 0.001) in Hb F and MCV after HU treatment, which increased from 73.1 fl to 96.4 fl (+ 23.3 fl) by the end of the study.…”
Section: Discussionmentioning
confidence: 99%
“…The explanation might be the different degree of suspension of the beta globin synthesis with mutations present in the Greek (7) (Caucasians) and Brazilian (mixed race) populations. The Brazilian population of S/Beta thalassemia might have benign African mutations (2,(14)(15)(16)(17) besides the classical Mediterranean ones. In the Mediterranean region, two-thirds of the population with sickle cell disease is composed of S/Beta thalassemia with severe mutations in contrast to the Brazilian population with an absolute predominance of homozygous S. The study by Rigano (8) of 22 S/Beta thalassemia individuals showed a significant increase (p-value < 0.001) in Hb F and MCV after HU treatment, which increased from 73.1 fl to 96.4 fl (+ 23.3 fl) by the end of the study.…”
Section: Discussionmentioning
confidence: 99%
“…As mutações na β-globina interferem quantitativamente na produção da cadeia polipeptídica, sendo mutações pontual ou frameshi t 27,28 . A gravidade do quadro clínico dessa hemoglobinopatia depende do grau de diminuição da síntese da cadeia β, classifi cando essa hemoglobinopatia em talassemia minor ou traço talassêmico, talassemia intermediária e talassemia major, também conhecida como Doença de Cooley 29 .…”
Section: β-Talassemiaunclassified
“…No Brasil, a frequência de BTM é de cerca de 1%. (8) Todas as manifestações clínicas e hematológicas derivam do desequilíbrio da síntese das cadeias de globina. Os portadores dos dois genes anormais (os homozigotos e os heterozigotos compostos) têm manifestações clínicas graves, que se caracterizam por uma associação de graus variáveis de anemia hemolítica microcítica e hipocrômica, hiperplasia eritroide da medula óssea, hepatomegalia, esplenomegalia, retardo do desenvolvimento somático e sexual, e deformidades do esqueleto evidentes nos ossos do rosto e do crânio.…”
Section: Talassemiasunclassified