肠道微生物群在细胞巨型病毒重新激活中的重要作用
Chikara Kohda1, Satoshi Ino1, Hiroki Ishikawa1
1Department of Microbiology and Immunology, Showa University School of Medicine , Tokyo, Japan.
Microbiology spectrum
|September 27, 2023
概括
原生微生物群对于小鼠细胞巨乳病毒 (MCMV) 活性化至关重要. 用抗生素消除肠道微生物显著减少了小鼠的MCMV活性,突出显示了微生物群在潜伏病毒感染中的作用.
科学领域:
- 病毒学 病毒学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 人类细胞巨乳病毒 (HCMV) 在母乳中的重新激活对早产婴儿构成风险.
- 本土微生物群在病毒再激活中的作用是正在进行的研究领域.
- 鼠类细胞巨乳病毒 (MCMV) 作为研究细胞巨乳病毒延迟和重新激活的模型.
研究的目的:
- 调查土著微生物群在小鼠细胞巨乳病毒 (MCMV) 活性化中的作用.
- 为了确定抗生素诱导的肠道微生物群的消除是否会影响小鼠模型中的MCMV重新激活.
主要方法:
- 在怀孕的小鼠中确立了潜在的MCMV感染.
- 小鼠接受了不同剂量的不可吸收的抗生素治疗,以改变肠道微生物群的组成.
- 通过使用RT-qPCR检测唾液腺,乳腺组织和分娩后结肠中的MCMV IE1 mRNA来评估MCMV的重新激活.
主要成果:
- 在100%的未经治疗和低剂量抗生素治疗的小鼠中发生了MCMV的重新激活.
- 高剂量抗生素治疗显著降低了唾液腺和结肠的MCMV重新激活 (0%的重新激活).
- 在高剂量抗生素治疗小鼠的乳腺组织中,仅在33%的乳腺组织中观察到MCMV的重新激活.
结论:
- 本地微生物群在潜在的MCMV感染的重新激活中发挥着关键作用.
- 准肠道微生物群可能提供一种新的策略来控制MCMV的重新激活.
- 需要进一步的研究来阐明微生物群影响MCMV重新激活的特定机制.
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