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Mostrando ítems 321-330 de 354
Duas classes de mutação na evolução de policitemia vera para leucemia mielóide aguda
(Associação Brasileira de Hematologia e Hemoterapia e Terapia Celular, 2009-04-01)
Polycythemia vera (PV) is a chronic myeloproliferative disorder that can evolve to marrow fibrosis or acute leukemia (AML). Cytogenetic alterations can be detected in around 25% of patients at diagnosis and in up to 50% ...
Interspecific chromosomal divergences in the genus Characidium (Teleostei: Characiformes: Crenuchidae)
(Sociedade Brasileira de Ictiologia, 2010-03-01)
Os cariótipos de sete espécies de peixes do gênero Characidium, três estudadas pela primeira vez, foram caracterizados com o uso das técnicas citogenéticas convencionais (Giemsa, Ag-RONs e bandamento-C). Todas as espécies ...
Uncovering the Ancestry of B Chromosomes in Moenkhausia sanctaefilomenae (Teleostei, Characidae)
(Public Library Science, 2016-03-02)
B chromosomes constitute a heterogeneous mixture of genomic parasites that are sometimes derived intraspecifically from the standard genome of the host species, but result from interspecific hybridization in other cases. ...
Dysregulation of H/ACA ribonucleoprotein components in chronic lymphocytic leukemia
(Public Library of Science, 2017-06)
Telomeres are protective repeats of TTAGGG sequences located at the end of human chromosomes. They are essential to maintain chromosomal integrity and genome stability. Telomerase is a ribonucleoprotein complex containing ...