CLIN CHEM:变性人的阴道微生物组成如何?

2019-01-04 MedSci MedSci原创

研究表明激素变化会影响阴道菌群的组成,且与个体的健康直接相关。同时,经变性为男性的睾丸激素处方激素成分不同于正常女性。但目前尚无临床研究评估睾酮给药对阴道微生物组的影响。 由自认为健康的使用处方睾酮至少1年(n = 28)的经变性男和正常女性(n = 8)自我收集阴道分泌物。参与者填写了一份调查问卷,以提供睾酮给药的模式和剂量,性病史和阴道健康状况。此外,研究人员收集血清用于激素分析。采用以

研究表明激素变化会影响阴道菌群的组成,且与个体的健康直接相关。同时,经变性为男性的睾丸激素处方激素成分不同于正常女性。但目前尚无临床研究评估睾酮给药对阴道微生物组的影响。

由自认为健康的使用处方睾酮至少1年(n = 28)的经变性男和正常女性(n = 8)自我收集阴道分泌物。参与者填写了一份调查问卷,以提供睾酮给药的模式和剂量,性病史和阴道健康状况。此外,研究人员收集血清用于激素分析。采用以16S细菌rRNA V3 V4高变异区域为靶点的广谱PCR引物、以及下一代测序和系统发育定位分析细菌群落分布。

结果表明,与正常女性相比,经变性男性的阴道菌群中乳杆菌不再作为其主要菌种。阴道内雌激素给药与经变性男性中乳酸杆菌的存在呈正相关(P = 0.045)。经变性男性的阴道菌群的相对丰度显著增加> 30种,α多样性显著增加(P = 0.0003)。乳杆菌的存在与较低的α多样性指数显著相关(P = 0.017)。

研究表明,在出生时为女性并使用睾丸激素的经变性男性的阴道微生物组可能与正常女性不同。阴道内雌激素的管理可通过促进乳杆菌属的定植和降低α多样性来减少这些差异。

原始出处:

Gabrielle Winston McPherson, Gabrielle Winston McPherson, The Vaginal Microbiome of Transgender Men

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