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Medicine (Baltimore). 2018 Jan;97(3):e9630. doi: 10.1097/MD.0000000000009630.

Overexpression of NEK3 is associated with poor prognosis in patients with gastric cancer.

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Department of Oncology, The Third Affiliated Hospital of Soochow University, Changzhou.
Department of Oncology, The Affiliated Tumor Hospital of Nantong University, Nantong, Jiangsu, China.


The NIMA-related kinase 3 (NEK3) plays an important role in cell migration, cell proliferation, and cell viability. Recently, NEK3 was reported to enhance the malignancy of breast cancer. However, its role in gastric cancer has not been completely characterized. In this study, we explored the prognostic significance of NEK3 in human gastric cancer. Reverse transcription-polymerase chain reaction and western blot were performed to detect the NEK3 mRNA and protein expression in 6 paired fresh human gastric cancer tissues and surrounding normal tissues. NEK3 levels in gastric cancer and its adjacent normal samples of 168 cases were detected by immunohistochemistry, and the relationships between the NEK3 level and various clinicopathological features were analyzed. NEK3 mRNA and protein were significantly overexpressed in gastric cancer tissues, compared with adjacent normal tissues. Immunohistochemistry staining assay showed the percentage of high NEK3 expression in gastric cancer samples was higher than that in adjacent normal samples. NEK3 overexpression was significantly correlated with pT stage, pathologic TNM stage, lymph node metastasis, and poor prognosis of gastric cancer. Cox multivariate regression analyses suggested that NEK3 was an independent prognostic factor for survival of patients with gastric cancer. The data demonstrate that NEK3 is overexpressed in gastric cancer, which promotes the malignancy of gastric cancer. NEK3 may be as a prognostic biomarker and a potential therapeutic target for gastric cancer.

[Indexed for MEDLINE]
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