对与潜伏到活跃结核病发展相关的不同因素的功能分析
Karthikeyan Sundaram1, Venkataraman Prabhu2
1Department of Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Chennai, Tamilnadu, India.
结核病从潜伏到活跃疾病的进展与Mycobacterium结核病基因有关. 这些基因影响宿主免疫细胞,如巨细胞和T细胞,影响自和疾病发展.
科学领域:
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
- 遗传学 是一个遗传学.
背景情况:
- 结核病 (TB) 是一种由Mycobacterium tuberculosis引起的传染病,只有5-10%的感染者会发展为活跃的疾病.
- 菌根菌利用复杂的生物机制和宿主免疫反应引起活跃或潜伏的感染.
- 了解驱动结核病进展的因素对于诊断和治疗至关重要.
研究的目的:
- 审查与从潜伏性结核病向活跃性结核病进展相关的基本因素.
- 分析Mycobacterium基因组和宿主免疫反应在结核病发病过程中的作用.
- 突出诊断生物标志物的潜力,以区分结核病形式.
主要方法:
- 关于Mycobacterium tuberculosis遗传学和宿主-病原体相互作用的文献综述.
- 分子机制的分析,包括自,基因调节 (PE_PGRS,miRNA,circRNA) 和免疫细胞功能 (CD4+,CD8+T细胞).
- 考虑先进的技术,如RNA测序,用于免疫细胞分析.
主要成果:
- 结核菌菌的基因,特别是PE_PGRS蛋白质,通过调节mTOR和自等途径来增强对宿主免疫防御的抵抗力,例如自菌体-溶酶体融合.
- 特定的miRNA和circRNA (例如miR-142-3p,circRNA-0003528) 改变了巨细胞的功能和免疫反应.
- CD4+ T 细胞缺乏是导致活跃结核病进展的重要危险因素,这凸显了T 细胞介导免疫的重要性.
结论:
- 结核病的进展与Mycobacterium结核病基因与宿主免疫反应,特别是自和T细胞免疫之间的相互作用密切相关.
- 诸如PE_PGRS蛋白质,miRNA和circRNA等分子因素在逃避宿主防御方面发挥着至关重要的作用.
- 对自调节基因和转录组分析的进一步研究对于确定结核病原体,区分潜藏性结核病和活跃性结核病以及识别诊断生物标志物至关重要.
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