伊索尼亚齐德的预防疗法调节了Mycobacterium结核病特异性T细胞响应在患有潜结核病和2型糖尿病的个体
Phillip Ssekamatte1,2, Diana Sitenda3, Rose Nabatanzi3
1Department of Immunology and Molecular Biology, School of Biomedical Sciences, College of Health Sciences, Makerere University, Kampala, Uganda. psekamate@gmail.com.
Scientific reports
|March 27, 2025
概括
伊索尼亚预防疗法 (IPT) 改善了潜伏结核病感染和糖尿病患者 (LTBI-DM) 的T细胞反应. IPT有助于使免疫细胞功能正常化,可能增强对结核病 (TB) 的保护.
科学领域:
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
- 内分泌学 在内分泌学.
背景情况:
- 糖尿病 (DM) 显著增加结核病 (TB) 发病率,并使治疗结果恶化.
- 患有潜伏性结核病感染和DM (LTBI-DM) 的个人代表了结核病复激和进展的高风险人群.
研究的目的:
- 研究异化预防疗法 (IPT) 对结核菌菌 (Mtb) 特定的T细胞记忆表型和功能在LTBI-DM参与者的影响.
- 将这些T细胞反应与健康对照 (HC) 的反应进行比较.
主要方法:
- 在IPT6个月前和之后,来自LTBI-DM参与者的外周血液单核细胞 (PBMC) 用Mtb池 (ESAT-6和CFP-10) 进行刺激.
- 流细胞计用于分析CD4+和CD8+T细胞反应,包括记忆表型,CXCR5和PD-1表达.
- 测量了T细胞产生的细胞因子 (IL-17A,IL-13).
主要成果:
- 在LTBI-DM参与者中,IPT导致效应记忆CD4+和CD8+T细胞的减少.
- 在IPT后的T细胞上CXCR5的上调和PD-1的下调表明,回归的改善和疲劳的减少.
- CD4+和CD8+T细胞分别增加了IL-17A和IL-13的产生,这表明Mtb控制得到了增强.
- 在LTBI-DM参与者中,IPT后的T细胞概况与健康对照的T细胞概况可比.
结论:
- 在LTBI-DM患者中,IPT有效调节和正常化T细胞记忆表型和功能.
- 这些免疫系统的改善可能有助于在这个脆弱群体中改善长期免疫力和防治结核病的保护.
- 这些发现强调了预防性治疗对高风险人群的重要性,需要对IPT长期影响进行进一步研究.
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