Publications by authors named "Wafaa Al Balawy"

1 Publications

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Telomerase reverse transcriptase promoter mutations in cancers derived from multiple organ sites among middle eastern population.

Genomics 2020 03 31;112(2):1746-1753. Epub 2019 Oct 31.

Human Cancer Genomic Research, King Faisal Specialist Hospital and Research Center, Riyadh 11211, Saudi Arabia. Electronic address:

Sanger Sequencing and immunohistochemistry was employed to investigate the TERT promoter mutations and TERT protein expression with their association to clinicopathological characteristics in over 2200 samples of Middle Eastern origin from 13 different types of cancers. The TERT promoter mutations were most frequently present in bladder cancer (68.6%), followed by central nervous system tumors (28.7%), thyroid cancer (15.4%), prostate cancer (9.3%), endometrial carcinoma (3.7%), rhabdomyosarcoma (1.4%), colorectal cancer (1%), epithelial ovarian carcinoma (0.7%) and breast cancer (0.7%). No mutations were observed in other types of cancers. In bladder cancer, we found significant inverse association with metastasis and a trend to good survival in patients with TERT mutations. In gliomas, TERT promoter mutations predicted poor prognosis. In thyroid cancer, high frequency of TERT mutation was observed in poorly differentiated carcinoma. In addition, TERT promoter mutations were associated with aggressive markers and poor outcome in follicular thyroid carcinomas.
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March 2020