Abstract
背景与目的肺部微生物组与肺部疾病的发生密切相关,微生物可从多方面促进肿瘤的发生与发展。既往研究证实肺癌患者肺部微生物组较健康人发生了变化,但关于不同类型肺癌患者中肺部微生物组的微生物组成尚未明确。本研究旨在探讨不同组织学类型肺癌间的微生物组相关性及差异性。方法采用Illumina HiSeq高通量测序技术对晚期肺癌患者痰样本进行细菌V3-V4区的16S rDNA测序及生物信息学分析。结果经物种分类分析发现肺癌患者痰样本中以链球菌属、奈瑟氏菌属、普雷沃氏菌属为主。腺癌(adenocarcinoma, AD)组以链球菌属及奈瑟氏菌属为主,小细胞肺癌(small cell lung cancer, SCLC)组以奈瑟氏菌属为主,鳞状细胞癌(squamous cell carcinoma, SCC)组以链球菌属为主,混合型小细胞肺癌(combined small cell lung cancer, C-SCLC)组以链球菌属为主。结论不同组织学类型肺癌的肺部细菌微生物组结构及组成存在差异性,不同组织学类型肺癌间优势菌群有所不同,本研究丰富了肺癌肺部细菌微生物组学数据。
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More From: Zhongguo fei ai za zhi = Chinese journal of lung cancer
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