在正在接受治疗的结核病患者中,病原体识别途径基因变异和炎症体传感器基因表达
Maria Eduarda Albuquerque Borborema1,2, Ariane Fernandes da Silva Santos1,2, Thays Maria Costa de Lucena1,2
1Laboratory of Human Genetics and Molecular Biology, Department of Genetics, Center for Biosciences, Federal University of Pernambuco, Av. Prof. Moraes Rego, 1235, Recife, PE, 50670-901 - CEP, Brazil.
Molecular biology reports
|January 22, 2024
概括
模式识别受体 (PRR) 基因的遗传变异影响结核病 (TB) 易感性. 在MYD88和TLR4中,特定的基因型与不同种族的结核病风险有关,结核病治疗可能会影响炎症酶激活.
科学领域:
- 免疫遗传学 免疫遗传学
- 结核病研究 结核病研究
- 炎症性生物组生物学
背景情况:
- 模式识别受体 (PRRs) 的遗传变异,如收费类受体 (TLRs),可能会影响结核病 (TB) 的易感性和严重程度.
- PRRs启动对病原体的炎症反应,这对于控制感染至关重要.
- 这项研究调查了巴西结核病患者的PRR和炎症途径遗传变异和基因表达.
研究的目的:
- 评估PRR中的单核酸多态 (SNPs) 和巴西结核病患者的炎症途径基因.
- 分析MYD88,NLRP1和NLRC4与结核病有关的基因表达.
- 确定遗传变异和种族对结核病易感性的影响.
主要方法:
- 在结核病患者和对照群中对MYD88 (rs6853) 和TLR4 (rs7873784) SNPs进行遗传关联分析.
- 基因分析按种族分层 (来自非洲的人与来自高加索的人).
- 在结核病患者和健康对照中对MYD88,NLRP1和NLRC4的基因表达分析.
主要成果:
- 在结核病患者和对照组之间,MYD88 rs6853和TLR4 rs7873784等位基因分布有显著差异.
- MYD88 rs6853 G/G基因型与白种人的结核病易感性较低有关.
- TLR4 rs7873784 G/G基因型与非洲裔个体的结核病易感性更高有关.
结论:
- 特定的MYD88和TLR4基因变异与结核病易感性有关,其影响取决于种族.
- 在接受治疗的结核病患者中,炎症酶基因表达 (NLRP1) 反映了健康对照者的表达.
- 结核病治疗似乎调节或损害了NLRP1炎症酶激活.
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