O ácido gama-linolênico interage com o canal de cálcio dependente de voltagem humano
aspectos no tratamento da mastalgia
DOI:
https://doi.org/10.56102/afmo.2025.388Palavras-chave:
Ácido gama-linolênico, Mastalgia, Analgésico, Modelagem de drogas, Canal de cálcio dependente de voltagemResumo
Objetivos: Avaliar a correlação do ácido gama-linolênico (GLA) com o CaV3.2 e comparar com a pregabalina (PGB), como perspectiva de elucidar o mecanismo de ação analgésica do GLA em casos de mastalgia. Métodos: Refere-se a uma pesquisa quantitativa e experimental, do tipo in silico, que empregou como moléculas ligantes o GLA e a PGB, e, como alvo proteico, o canal CaV3.2. Os experimentos de docagem molecular foram realizados no portal Dockthor e analisados pelo programa Chimera 1.14. Os resultados das simulações dos ligantes com o CaV3.2 foram organizados pelas afinidades de ligação (AL). Para comparação das AL, foi utilizado o teste “t” e foram considerados significantes valores de p < 0,05. Resultados e discussão: Após 1 milhão de simulações entre GLA e PGB com o CaV3.2, selecionaram-se os três melhores posicionamentos. Não houve diferença significante entre os valores de AL do GLA e da PGB (p = 0,15). Os ligantes se posicionaram dentro do poro do canal e estabelecendo ligações de hidrogênios com os mesmos resíduos de aminoácido e PGB apresentou interação com um outro a mais. Conclusão: O GLA é capaz de se ligar ao CaV3.2 de maneira semelhante ao bloqueador controle pregabalina. As interações químicas mostradas sugerem um possível bloqueio do canal, o que justificaria o efeito no controle da mastalgia pelo ácido gama-linolênico.
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Copyright (c) 2025 Gidelson José da Silva Júnior, Gisele Evelin de Jesus Arruda, Ana Carolina de Oliveira Aguiar, Lais Cristhinne Sabino Gondim, Lise Reis Melo, Joelmir Lucena Veiga da Silva

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