BJU Int:Hunner病变间质性膀胱炎/膀胱疼痛综合征的细菌微生物群研究

2021-06-30 AlexYang MedSci原创

在诊断为间质性膀胱炎/膀胱疼痛综合征(IC/BPS)的患者中,存在Hunner病变(HL)的患者约占10-20%。近期,有研究人员对与Hunner病变间质性膀胱炎/膀胱疼痛综合征(HL IC/BPS)

诊断为间质性膀胱炎/膀胱疼痛综合征(IC/BPS)的患者中,存在Hunner病变(HL)的患者约占10-20%。近期,有研究人员对与Hunner病变间质性膀胱炎/膀胱疼痛综合征(HL IC/BPS)相关的泌尿微生物群进行了首次全面评估。尽管以前没有发现IC/BPS特有的微生物类型,但HL IC/BPS作为IC/BPS的一个炎症亚型,被认为最有可能与特定的细菌种类或微生物模式有关。

研究人员使用泛细菌域临床级分子诊断Pacific Biosciences全长16S基因测序方案、信息学管道和数据库方法,调查了HL IC/BPS患者与年龄和性别匹配的无HL的IC/BPS患者(非HL IC/BPS)的中段尿液标本的细菌微生物群情况。他们描述了不同物种的存在、丰度和多样性情况,以及HL和非HL IC/BPS受试者之间的性别差异。

研究包括了来自一个中心的总共59名IC/BPS受试者(29名HL,30名非HL;43名女性,16名男性),并能够比较中段尿液标本中的微生物群。经过Bonferroni调整的多重比较发现,HL和非HL之间的物种丰度(12种)没有明显差异。同样,女性HL和非HL受试者之间的9个分化物种在经过类似的统计学校正后也没有明显差异。然而,4个物种丰度(在校正前确定的10个物种差异中)在男性HL和非HL受试者之间存在明显差异,包括Negativicoccus succinivorans;Porphyromonas somerae;Mobiluncus curtisii和Corynebacterium renale。Shannon多样性指标显示HL男性的多样性明显高于HL女性(P=0.045),但HL和非HL受试者之间没有明显的多样性差异。

HL男性和HL女性之间的多样性差异

综上所述,他们无法确定一个独特的致病性尿液微生物群来区分所有HL和所有非HL IC/BPS。男性特有的差异可能来自于远离膀胱的定殖/感染。研究人员也无法证明细菌在HL IC/BPS患者中发挥了重要作用

原始出处:

J Curtis Nickel , Garth D Ehrlich , Jaroslaw E Krolet al. The Bacterial Microbiota of Hunner Lesion Interstitial Cystitis/Bladder Pain Syndrome. BJU Int. Jun 2021

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