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Detection of Lsr2 gene of Mycobacterium leprae in nasal mucus BABT
Custodio,Luiz Antonio; Saito,Alexandre; Amarante,Marla Karine; Fujita,Thiago Cezar; Perim,Aparecida de Lourdes; Costa,Ivete Conchon; Felipe,Ionice; Jankevicius,Shiduca Itow.
In the present study, nasal mucus from patients with leprosy were analyzed by PCR using specific primers for Lsr2 gene of Mycobacterium leprae. The presence of Lsr2 gene in the nasal mucus was detected in 25.80% of patients with paucibacillari leprosy, and 23.07% of contacts. Despite the absence of clinical features in the contact individuals, it was possible to detect the presence of Lsr2 gene in the nasal mucus of these individuals. Therefore, PCR detection of M. leprae targeting Lsr2 gene using nasal mucus samples could contribute to early diagnosis of leprosy.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mycobacterium leprae; Leprosy; Hanseniase; Nasal mucus; PCR.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000300007
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Involvement of transforming growth factor beta-1 (TGFβ1) cytokine and FOXP3 transcription factor genetic polymorphisms in hematological malignancies BABT
Vitiello,Glauco Akelinghton Freire; Guembarovski,Roberta Losi; Oliveira,Carlos Eduardo Coral de; Amarante,Marla Karine; Perim,Aparecida de Lourdes; Watanabe,Maria Angelica Ehara.
Hematological malignancies (HM) are a group of neoplastic diseases that arise from hematologic cell lineages. Transforming growth factor beta 1 (TGFβ1) is shown to negatively regulate normal and malignant hematopoiesis and, in immunological context, to promote T cell exhaustion and generation of regulatory T cells, which are shown to be deleterious in cancer, by the induction of transcription factor FOXP3 expression. The present study aimed to evaluate TGFB1 exon-1 rs1800470 and FOXP3 intron-1 rs2232365 polymorphisms in relation to HM susceptibility. DNA was extracted from blood samples of 43 HM patients and 142 neoplasia-free individuals and polymorphisms were analyzed by allelic-specific PCR. Association analysis was assessed by the Odds Ratio (OR) with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hematological malignancies; TGFB1; FOXP3; Genetic polymorphism; Susceptibility.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000400553
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