Desempenho da técnica tetra-primer PCR em relação a PCR-RFLP na pesquisa de polimorfismos de nucleotídeos únicos (SNPs) rs12979860 (C/T) e rs8099917 (T/G) no gene IFNL4
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Palavras-chave

Interferon Lambda 4 (IFNL4)
Interleucina 28B (IL28B)
Polimorfismo de Nucleotídeo Único (SNP)
Reação em Cadeia da Polimerase (PCR)
Polimorfismos de Fragmentos de Restrição (RFLP)
Análise de Custo

Como Citar

1.
Kindermann EHS, Rodrigues Campos K, Caterino-de-Araujo A. Desempenho da técnica tetra-primer PCR em relação a PCR-RFLP na pesquisa de polimorfismos de nucleotídeos únicos (SNPs) rs12979860 (C/T) e rs8099917 (T/G) no gene IFNL4. Rev Inst Adolfo Lutz [Internet]. 26º de maio de 2023 [citado 5º de novembro de 2024];82:1-12,e39195. Disponível em: https://periodicos.saude.sp.gov.br/RIAL/article/view/39195

Resumo

Polimorfismos de nucleotídeos únicos (single nucleotide polymorphisms, SNPs rs12979860 e rs8099917) no gene que codifica o Interferon Lambda 4 (IFNL4, antigamente IFNL3 e/ou IL28B) têm sido associados às falhas na resposta imune inata e resposta virológica sustentada na hepatite C, e a mielopatia associada ao HTLV-1 (HTLV-1-associated myelopathy, HAM). A pesquisa destes polimorfismos pode empregar diversas metodologias: sequenciamento, reação em cadeia da polimerase em tempo real ou quantitativa (quantitative polymerase chain reaction, qPCR), análise de fragmentos de restrição enzimática em produtos de PCR (restriction fragment length polymorphism in PCR products, PCR-RFLP) e a tetra-primer PCR. Este estudo comparou o desempenho da tetra-primer PCR em relação a PCR-RFLP, ambas otimizadas no Laboratório de Pesquisa em HTLV do Centro de Imunologia do Instituto Adolfo Lutz de São Paulo. Foram selecionadas 100 amostras de DNA obtidas de pacientes do Centro de Referência e Treinamento em DST/Aids de São Paulo cujos SNPs na IL28B foram anteriormente determinados por PCR-RFLP e representaram todos os perfis descritos em literatura. Os resultados obtidos mostraram concordância entre elas, e pelo fato da tetra-primer PCR ter menor custo, ser de fácil execução, empregar menos tempo, insumos e material biológico, é a técnica de escolha para uso em rotina.

https://doi.org/10.53393/rial.2023.v.82.39195
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Copyright (c) 2023 Ellen Hochleitner Souza Kindermann, Karoline Rodrigues Campos, Adele Caterino-de-Araujo

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