Genome Evolution Analysis of Recurrent Testicular Malignant Mesothelioma by Whole-Genome Sequencing

被引:16
作者
Zhang, Shigeng [1 ]
Zhang, Qi [2 ]
Sun, Qing [3 ]
Tang, Jinlong [4 ]
Chen, Jimin [1 ]
Ji, Na [5 ]
Zheng, Yichun [1 ]
Fang, Francia [6 ]
Lei, Wanjun [7 ]
Li, Pengpeng [7 ]
Zhang, Nan [1 ]
机构
[1] Zhejiang Univ, Sch Med, Affiliated Hosp 2, Dept Surg Urol, Hangzhou, Zhejiang, Peoples R China
[2] Zhejiang Univ, Sch Med, Affiliated Hosp 2, Dept Hepatobiliary & Pancreat Surg, Hangzhou, Zhejiang, Peoples R China
[3] Jilin Med Univ, Affiliated Hosp, Dept Nutr, Jilin, Jilin, Peoples R China
[4] Zhejiang Univ, Sch Med, Affiliated Hosp 2, Dept Pathol, Hangzhou, Zhejiang, Peoples R China
[5] Zhejiang Univ, Affiliated Hosp 2, Dept Anesthesiol, Sch Med, Hangzhou, Zhejiang, Peoples R China
[6] Duke Univ, Trinity Coll Arts & Sci, Durham, NC USA
[7] Beijing Novogene Bioinformat Technol Co Ltd, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
Mutational landscape; Tunica vaginalis testis; Whole-genome sequencing; Tumor heterogeneity; Clonal evolution; CANCER GENOME; PROTEIN; IDENTIFICATION; LANDSCAPES; RESISTANCE; MUTATIONS; AHNAK;
D O I
10.1159/000486355
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Background/Aims: Malignant mesothelioma of the tunica vaginalis testis is a rare and lethal disease. The genomic characteristics and genetic changes of tumor cells during the progression of this disease are unknown. Methods: we performed whole-genome sequencing of four successive tumor samples derived from surgery and a blood sample in a single patient. Results: All tumors were found to have significant C-to-T and T-to-C mutations, and amplification of copy number in chromosomes 1 and 12 were notified in all tumor samples. Subclone analysis revealed a parallel evolution of the tumor in this patient. We also identified some mutations in mesothelioma-associated genes such as KIF25, AHNAK, and PRDM2. Conclusions: The results showed a comprehensive genomic change in malignant mesothelioma of the tunica vaginalis testis and provide a better understanding of the clonal evolution during tumor recurrence and metastasis. (C) 2018 The Author(s) Published by S. Karger AG, Basel
引用
收藏
页码:163 / 174
页数:12
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