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Silva,Ronaldo Celerino da; Cruz,Heidi Lacerda Alves da; Brandão,Lucas André Cavalcanti; Guimarães,Rafael Lima; Montenegro,Lilian Maria Lapa; Schindler,Haiana Charifker; Segat,Ludovica; Crovella,Sergio. |
Abstract β-Defensin-1, an antimicrobial peptide encoded by the DEFB1 gene, is known to play an important role in lung mucosal immunity. In our association study we analyzed three DEFB1 functional polymorphisms -52G>A (rs1799946), -44C>G (rs1800972) and -20G>A (rs11362) in 92 tuberculosis patients and 286 healthy controls, both from Northeast Brazil: no association was found between the studied DEFB1 polymorphisms and the disease. However we cannot exclude that this lack of association could be due to the low number of subjects analyzed, as suggested by the low statistical power achieved for the three analyzed SNPs (values between 0.16 and 0.50). |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tuberculosis; Innate immunity; DEFB1; Genotyping; Polymorphism. |
Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000200389 |
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Silva,Ronaldo Celerino da; Alves,Neyla Maria Pereira; Pereira,Jorge José de Souza; Coelho,Antonio Victor Campos; Arraes,Luiz Cláudio; Brandão,Lucas André Cavalcanti; Crovella,Sergio; Silva,Jaqueline de Azevêdo. |
Abstract Vitamin D exerts an immuno-modulatory activity on several immune system cells through the vitamin D receptor (VDR). Herein, we verified that age and a therapeutic regimen containing protease inhibitors are associated with failures in antiretroviral therapies (ARVs). In addition, we assessed whether a VDR SNP (rs11568820: C allele and CC genotype) and GC (rs2228570-rs11568820) allelic combinations are associated with immunological failure (p < 0.05). Our findings suggest a possible role of VDR SNPs on immunological failure in HIV-1+ individuals undergoing regular ARVs. |
Tipo: Info:eu-repo/semantics/other |
Palavras-chave: VDR; HIV-1; ARVs; SNPs; CD4 recovery. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000300351 |
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