Searching of Protein Targets for Alpha Lipoic Acid

نویسندگان

  • Wilson Maldonado-Rojas
  • Jesus Olivero-Verbel
چکیده

Ácido alfa lipóico (ALA) é um dos oxidantes mais poderosos e um cofactor em complexos enzimáticos, apesar de seus mecanismos ainda não serem conhecidos. A pesquisa por alvos proteicos de ALA é fundamental para compreender seus processos de sinalização. Uma abordagem bioinformática foi usada a fim de se encontrar alvos hipotéticos para ALA usando o servidor Target Fishing Dock (TarFisDock). Contagens de afinidade para os melhores resultados foram calculadas pelo AutoDock Vina. Alvos relevantes incluíram leucotrieno A4 hidrolase, canal de potássio voltagem-dependente, alfa-hidroxiesteróide desidrogenase, epóxido hidrolase, proteínas estas envolvidas no câncer, diabetes, desordens neurológica e cardiovascular. As energias de interação corrigidas segundo padrão conterpoise foram calculadas para proteínas que ligam R-ALA, e mostraram interações R-ALA-resíduos favoráveis. A sobreposição de R-ALA com inibidores conhecidos daquelas proteínas, permitu concluir que R-ALA adota diferentes conformações espaciais em seus sítios de ligação, podendo ser um inibidor fraco plausível destes alvos e, portanto, este efeito deveria ser considerado quando da realização de estudos sobre seus efeitos bioquímicos.

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تاریخ انتشار 2011