与HPV感染相关的特定年龄的阴道微生态失调症:一项大型横截面研究,有针对性的功能测序验证
Yue Wang1,2,3, HongJing Chen1,2,3, YaoJia Chen1,2,3,4
1College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China.
Frontiers in cellular and infection microbiology
|February 6, 2026
概括
人类乳头瘤病毒 (HPV) 感染会改变阴道微生物群的组成,并且在不同年龄组的功能不同. 中年女性 (35-44岁) 显示出显著的代谢变化,这表明针对阴道微生物组的HPV预防策略的关键窗口.
科学领域:
- 微生物组研究的研究.
- 阴道健康 阴道健康
- 免疫学 免疫学 免疫学
背景情况:
- 阴道微生物群作为一个关键的免疫屏障.
- 它与人类乳头瘤病毒 (HPV) 感染的相互作用随着年龄的变化而变化,但人们对此仍然不了解.
- 了解这些年龄相关的动态对于评估感染风险至关重要.
研究的目的:
- 描述女性一生中阴道微生物群组成和功能的年龄相关变化.
- 评估HPV感染如何选择性地影响不同年龄组的阴道微生态稳定性和感染风险.
主要方法:
- 通过Gram染色,pH,过氧化 (H2O2),白细胞化酶和化酶测定,在4个年龄组中的23,672名女性中评估了阴道微生态.
- 在2,116名女性中进行了HPV基因型鉴定.
- 在一个子集 (n=88) 上进行16S rRNA测序,差异性种群分析 (LEfSe,随机森林) 和功能预测 (BugBase,COG/KEGG),以验证特定年龄的HPV微生物群相互作用.
主要成果:
- 正常的阴道菌群的流行率随着年龄的增长线性下降 (78.7%至48.8%),而多样性在绝经前期达到顶峰.
- 感染HPV与增加的细菌性阴道症 (BV) 和酸酶活性有关,但减少了 Vulvovaginal Candidiasis (VVC).
- 功能分析显示,在35至44岁的女性中,HPV驱动的无氧丰富和代谢重编程,包括高调的脂多糖生物合成,酸代谢和NOD类受体信号,与抑制的亡.
结论:
- 根据年龄,HPV感染有选择性地重塑阴道微生物群组成和代谢功能.
- 中年女性 (35-44岁) 是开发基于微生物群的HPV预防策略的关键窗口.
- 根据年龄分层的HPV风险因素包括年轻女性的生产H2O2的乳酸菌的损失和中年女性的BV/sialidase.
相关概念视频
Cross-Sectional Research
12.7K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
12.7K
Finding Volume Using Cross-Sectional Area
79
For solids whose cross-sectional areas vary in a predictable way, volume can be determined by integrating these areas along an axis perpendicular to the slices. This approach is particularly useful for polyhedral solids, where classical geometric formulas may not be immediately applicable. A tetrahedron provides a clear example of how cross-sectional integration can be applied to a three-dimensional object with continuously changing geometry.Consider a tetrahedron with height h and a base that...
79
Profile Leveling and Cross Sections
1.7K
Profile leveling and cross-sections are surveying methods used to determine and document terrain elevations for infrastructure projects such as highways, railroads, canals, and pipelines. These methods provide data for earthwork planning and alignment of proposed routes. Profile leveling involves measuring elevations along a fixed line to create a vertical terrain profile. A surveyor sets up a leveling instrument at the benchmark (BM) and records a backsight (BS) to determine the...
1.7K
Spinal Cord: Cross-sectional Anatomy
4.9K
The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
Gray Matter and its Components
Central to the gray matter is...
4.9K
Reliability and Validity
14.1K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
14.1K
Crossing Over
172.1K
Unlike mitosis, meiosis aims for genetic diversity in its creation of haploid gametes. Dividing germ cells first begin this process in prophase I, where each chromosome—replicated in S phase—is now composed of two sister chromatids (identical copies) joined centrally.
The homologous pairs of sister chromosomes—one from the maternal and one from the paternal genome—then begin to align alongside each other lengthwise, matching corresponding DNA positions in a process...
The homologous pairs of sister chromosomes—one from the maternal and one from the paternal genome—then begin to align alongside each other lengthwise, matching corresponding DNA positions in a process...
172.1K


