结性脊柱炎患者和健康对照患者血液微生物群的分子特征
Dargham Bayan Mohsen Hammad1, Omar Abdulazeez Alhamad2, Alaa Mahdy Obiad Khzal1
1Department of Pathological Analyses, Faculty of Science, Kufa University, Najaf, Iraq.
Medical journal of the Islamic Republic of Iran
|November 29, 2023
概括
微生物DNA存在于结性脊髓炎患者和健康个体的血液中. 血液中的特定细菌种类在结性脊髓炎中发生变化,这表明它们可能是疾病的生物标志物.
科学领域:
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
- 遗传学 遗传学 是一个
背景情况:
- 结节性脊柱炎 (AS) 越来越多地与微生物组的改变有关,特别是在肠道.
- 血液循环中的微生物DNA可能作为远程微生物组变化的生物标志物.
- 以前的研究集中在肠道微生物组,但血液微生物组是新兴的研究领域.
研究的目的:
- 为了比较AS患者血液中的微生物DNA的存在和身份,与健康对照对比.
- 为了研究结性脊柱炎的潜在血液生物标志物.
- 探索特定的血液微生物种群与疾病活动之间的关系.
主要方法:
- 案例研究设计,比较10名AS患者和10名健康对照.
- 从血液样本中对细菌16SrRNA基因进行PCR放大和测序.
- 使用Luminex测定和统计分析的细胞因子TNF-alpha,IL-17A和IL-23的量化与未配对的T-测试和曼-惠特尼测试.
主要成果:
- 在80%的AS患者和健康对照中检测到微生物16SrRNA.
- 血液中占主导地位的细菌类包括蛋白质细菌,菌细菌,动菌细菌和细菌类.
- 亚氏杆菌与显著增加的细菌菌类,Prevotella和Micrococcus有关,并减少了Corynebacterium 1,Gemella和Alloprevotella.
- 在血液中,Prevotella属与AS患者的TNF-α水平有很强的正相关性.
结论:
- 在健康个体中存在着独特的血液微生物组.
- 血液中的特定微生物种类在结性脊髓炎中受到调节.
- 血液衍生的微生物特征需要进一步研究,作为AS的潜在疾病生物标志物.
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