ArticleBMC microbiology2025
Comprehensive analysis of vaginal microbiota in Chinese women with genital tuberculosis: implications for diagnosis and treatment.
Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTuberculosis remains an infectious disease of global concern, with potential impacts on respiratory and intestinal microbiota owing to prolonged broad-spectrum antibiotic therapy. Despite its potential to cause infertility, the vaginal microbiota of women with genital tuberculosis remains poorly understood. We comprehensively analyzed the vaginal microbiota in Chinese women with genital tuberculosis.
resultsWe recruited women with pelvic (n = 28), endometrial (n = 16), and pulmonary (n = 12) tuberculosis as the research group, and healthy women (n = 11) as the control group. Vaginal discharges were collected for metagenomic analysis of its microbiota. The alpha diversity of the vaginal microbiota in women with genital tuberculosis was slightly higher than that in healthy women, though the difference was not statistically significant (P = 0.23). Similarly, no significant differences in alpha diversity were observed between women with genital and pulmonary tuberculosis (P = 0.82) or between those with pelvic and endometrial tuberculosis (P = 0.82). Notably, the lowest alpha diversity was recorded six months to one year after initiating anti-tuberculosis treatment, with this decline being statistically significant (P = 0.023). The dominance of Lactobacillus iners in the vaginal microbiota was more common in women with genital tuberculosis than that of Lactobacillus crispatus. Furthermore, the abundance of short-chain fatty acid -producing anaerobes, such as Actinomycetes, Streptococcus, and Finegoldia, were significantly increased. Short-chain fatty acid precursor pathways, including the ko03010 ribosome pathway, ko00970 aminoacyl-tRNA synthesis, ko00230 purine metabolism, ko00240 pyrimidine metabolism, and ko00010 glycolysis gluconeogenesis pathway, were significantly upregulated in women with endometrial tuberculosis.
conclusionsExtrapulmonary tuberculosis, particularly genital tuberculosis and its associated vaginal dysbiosis impacts female fecundity. Vaginal dysbiosis is more pronounced when M. tuberculosis invades the endometrium. Given the effect of antibiotics on vaginal flora, probiotic combined interventions could be used as a future research direction. CLINICAL TRIAL NUMBER: Not applicable.
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