JEADV:皮肤T细胞淋巴瘤的肠道菌群失调的特征研究

2022-04-13 医路坦克 MedSci原创

皮肤T细胞淋巴瘤(CTCL)患者常伴有反复皮肤感染和严重的晚期免疫紊乱。肠道微生物群已被公认为影响癌症和皮肤状况,本文研究了CTCL患者和健康对照的肠道菌群情况。

皮肤T细胞淋巴瘤(CTCL)患者常伴有反复皮肤感染和严重的晚期免疫紊乱。肠道微生物群已被公认为影响癌症和皮肤状况;然而,它尚未在CTCL中被研究。

目的:研究CTCL患者和健康对照者的肠道菌群情况。

病例对照研究于2019年1月至2020年11月在西北大学繁忙的多学科CTCL诊所(美国伊利诺伊州芝加哥)进行,利用16S核糖体RNA基因扩增片段测序和生物信息学分析来表征来自相同地理区域的CTCL患者(n=38)和年龄匹配的健康对照组(n=13)粪便样本中的微生物群。

肠道微生物α多样性在慢性萎缩性胃炎患者中呈下降趋势,在晚期慢性萎缩性胃炎患者中明显低于对照组(p=0.015)。在β多样性方面没有发现差异。患者样本中的特定分类群显著减少;使用调整后的p值(Q值)来确定显著性,该值解释了0.05的错误发现率阈值。患者标本中显著减少的分类群包括放线杆菌门(q=0.0002)、柯里杆菌(q=0.002)和放线菌(q=0.03)、柯氏杆菌目(q=0.003)和厌氧干线属(q=0.01)。皮肤病负担大的患者中,埃格瑟科(q=0.0007)和乳杆菌科(q=0.02)明显减少。

与健康对照组相比,CTCL患者可出现肠道微生物失调,在更晚期的CTCL患者中表现更为明显。与CTCL相关的分类转变与先前报道的特应性皮炎相似,与银屑病相反,这表明微生物与这些疾病之间的免疫特征和皮肤屏障差异相似。这些发现可能会提出新的微生物疾病生物标志物,并为干预提供新的角度。

文献来源: Hooper MJ,  LeWitt TM,  Pang Y,  Gut dysbiosis in cutaneous T-cell lymphoma is characterized by shifts in relative abundances of specific bacterial taxa and decreased diversity in more advanced disease.J Eur Acad Dermatol Venereol 2022 Apr 02;

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    2022-04-13 仁术2021

    不错,学习了。

    0

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