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Clinical implication of oncogenic somatic mutations in early-stage cervical cancer with radical hysterectomy.


ABSTRACT: It is well known that tumour initiation and progression are primarily an accumulation of genetic mutations. The mutation status of a tumour may predict prognosis and enable better selection of targeted therapies. In the current study, we analysed a total of 55 surgical tumours from stage IB-IIB cervical cancer (CC) patients who had undergone radical hysterectomy including pelvic lymphadenectomy, using a cancer panel covering 50 highly mutated tumorigenesis-related genes. In 35 patients (63.6%), a total 52 mutations were detected (58.3% in squamous cell carcinoma, 73.7% in adenocarcinoma), mostly in PIK3CA (34.5%) and KRAS and TP53 (9.1%). Being mutation-positive was significantly correlated with pelvic lymph node (PLN) metastasis (P?=?0.035) and tended to have a worse overall survival (P?=?0.076). In particular, in the patients with squamous cell carcinoma, there was a significant association between being mutation-positive and relapse-free survival (P?=?0.041). The patients with PLN metastasis had a significantly worse overall survival than those without (P?=?0.006). These results indicate that somatic mutation status is a predictive biomarker for PLN metastasis in early-stage CC, and is consequently related to poor prognosis. Therefore, comprehensive genetic mutations, rather than a single genetic mutation, should be examined widely in order to identify novel genetic indicators with clinical usefulness.

SUBMITTER: Watanabe T 

PROVIDER: S-EPMC7599240 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Clinical implication of oncogenic somatic mutations in early-stage cervical cancer with radical hysterectomy.

Watanabe Takafumi T   Nanamiya Hideaki H   Kojima Manabu M   Nomura Shinji S   Furukawa Shigenori S   Soeda Shu S   Tanaka Daisuke D   Isogai Takao T   Imai Jun-Ichi JI   Watanabe Shinya S   Fujimori Keiya K  

Scientific reports 20201030 1


It is well known that tumour initiation and progression are primarily an accumulation of genetic mutations. The mutation status of a tumour may predict prognosis and enable better selection of targeted therapies. In the current study, we analysed a total of 55 surgical tumours from stage IB-IIB cervical cancer (CC) patients who had undergone radical hysterectomy including pelvic lymphadenectomy, using a cancer panel covering 50 highly mutated tumorigenesis-related genes. In 35 patients (63.6%),  ...[more]

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