High prevalence of TERT promoter mutations in primary squamous cell carcinoma of the urinary bladder.

High prevalence of TERT promoter mutations in primary squamous cell carcinoma of the urinary bladder.
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原发性膀胱鳞状细胞癌中 TERT 启动子突变的发生率较高。

DOI:
10.1038/modpathol.2016.53
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发表时间:
2016-05
期刊:
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
影响因子:
--
通讯作者:
Papadopoulos N
Papadopoulos N
中科院分区:
其他
文献类型:
--
作者:
Cowan M;Springer S;Nguyen D;Taheri D;Guner G;Rodriguez MA;Wang Y;Kinde I;VandenBussche CJ;Olson MT;Cunha I;Fujita K;Ertoy D;Bivalacqua TJ;Kinzler K;Vogelstein B;Netto GJ;Papadopoulos N

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TERT promoter mutations (TERT-mut) are detectable in the majority of urothelial carcinomas. The detection of TERT-mut in urine is under investigation as a potential urine-based molecular-screening assay for bladder cancer. A small but significant number of bladder carcinomas are pure squamous cell carcinoma. We sought to assess the incidence of TERT-mut in squamous cell carcinoma of the urinary bladder. A retrospective search of the institutional pathology archives yielded 15 cystectomy specimens performed for squamous cell carcinoma (2000–2014). Histologic slides were reviewed by a senior urologic pathologist to confirm the diagnosis and select a representative formalin-fixed paraffin-embedded tissue block for mutational analysis. All cases yielded adequate material for DNA analysis. Sequencing for TERT-mut was performed using previously described SafeSeq technique. We detected TERT-mut in 12/15 (80%) of bladder squamous cell carcinomas. TERT promoter mutations, commonly found in conventional urothelial carcinoma, are also highly prevalent in urinary bladder squamous cell carcinoma suggesting a common tumorigenesis and potential utility as a molecular urine-based-screening assay.
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