The Relationship of TLR2 Polymorphisms with Infectious Diseases
Marcos Jessé Abrahão Silva, Marceli Batista Martins Lima, Karla Valéria Batista Lima, Luana Nepomuceno Gondim Costa Lima
Annual Research & Review in Biology · pp. 57–73 · Published 3 Dec 2021
10.9734/arrb/2021/v36i1130451Abstract
The proinflammatory response induced by Toll-Like receptors (TLR) is considered the host's first defense line. Single nucleotide polymorphisms (SNPs) correspond to the most frequent type of variation in the human genome, and due to the importance of TLR2 in the immune response, SNPs in the TLR gene are related to susceptibility or resistance to various diseases. Thus, the objective of the present study was to identify the polymorphisms existing in the TLR2 gene that may cause susceptibility or protection against infectious diseases. We conducted a systematic review of the literature in the databases Science Direct, National Library of Medicine National Institutes of Health of the USA (PUBMED), Cochrane Collaboration and Medical Literature Analysis and Retrieval System Online (MEDLINE) between 2000 to 2020. The search resulted in 32 articles, all of which in English. Thus, it was demonstrated that the related polymorphisms are extremely important for the identification of related pathologies, whether for the susceptibility or protection of the individual to the diseases, also being essential for the mechanisms of signal generation and immune responses, and finally indicating that a balance between activation and inactivating these receptors to prevent an excessive inflammatory or immune response.
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Cited by 4
Marcos Jessé Abrahão Silva, Caroliny Soares Silva, Rebecca Lobato Marinho · Genes · 2023
Marcos Jessé Abrahão Silva, Davi Silva Santana, Letícia Gomes de Oliveira · Frontiers in Genetics · 2022
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