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德克-1刺激β-葡萄糖抑制了克拉米迪亚感染,无论是体外还是体外

Jennifer Kintner^1,2, Morgan Callaghan¹, Lillith Bulawa¹

¹Department of Biomedical Sciences, East Tennessee State University, Johnson City, TN 37614, USA.

Pathogens and disease

|January 31, 2025

概括

坎迪达阿尔比坎斯 (Candida albicans) 的β-葡萄糖通过激活宿主C型莱克受体信号通路来抑制克拉米迪亚虫感染. 这种相互作用会影响女性生殖道中的多微生物感染.

科学领域:

微生物学微生物学
免疫学免疫学免疫学
传染性疾病传染性疾病

背景情况:

甲状腺炎和白菌是女性生殖道中常见的共感染生物.
香菌可以影响细菌的活力和病变发生.
之前的研究表明,Chlamydia trachomatis的基本体 (EBs) 与Candida albicans结合,从而导致非传染性.

研究的目的:

为了研究Candida albicans Ssa蛋白在Chlamydia trachomatis EB粘附中的作用.
确定使用Candida albicansβ-葡萄糖抑制克拉米迪亚虫感染的机制.
探索宿主C型乳素受体信号传递在这种抑制中的参与.

主要方法:

评估了克拉米迪亚形虫EB与Candida albicansSsa2缺乏菌株的结合.
在实验室中评估了Candida albicansβ-葡萄糖对Chlamydia trachomatis感染的抑制作用.
利用拉米纳林 (β-葡萄糖激动剂) 和Dectin-1对抗剂来研究宫细胞和小鼠的宿主信号通路.

主要成果:

甲状腺炎 EBs 显示与Candida albicans Ssa2 缺陷菌株的结合减少,表明Ssa2 在粘附中的作用.
在EB吸附过程中暴露时,Candida albicansβ-葡萄糖抑制了克拉米迪亚虫感染.
拉米纳林治疗在体外和体内抑制了Chlamydia trachomatis感染,这取决于Dectin-1的信号传输.

结论:

坎迪达阿尔比坎斯 (Candida albicans) 的Ssa2蛋白质参与了克拉米迪亚形虫EBs的粘附.
β-葡萄糖,包括来自Candida albicans的β-葡萄糖,可以抑制克拉米迪亚虫感染.
这种抑制是通过激发宿主C型乳素受体信号通路,特别是Dectin-1进行调节的.

关键词:

在Candida albicans中使用.克拉米迪亚菌落状虫病 (chlamydia trachomatis) 是一种感染性疾病.细菌真菌相互作用机会性感染机会性感染阴道的微生物组贝塔-葡萄糖是什么?

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