| Shaojun Nong,Yangbo Guan,Zhiwei Wang,Zhongqing Wei,Yueping Zhang,Jian Ni,Chongsheng He,Limin Ma,Shujun Zhou,Wenguang Li. Significant association between IL-18 and OCT4 gene polymorphisms in susceptibility and clinical characteristics of prostate cancer. Oncol Transl Med, 2019, 5: 123-130. |
| Significant association between IL-18 and OCT4 gene polymorphisms in susceptibility and clinical characteristics of prostate cancer |
| Received:March 17, 2019 Revised:July 28, 2019 |
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| KeyWord:clinical characteristics; interleukin-18 (IL-18); octamer-binding transcription factor 4 (OCT4); polymorphism; prostate cancer |
| Author Name | Affiliation | E-mail | | Shaojun Nong | The Affiliated Hospital of Nantong University | shaojunnong@sina.com | | Yangbo Guan | The Affiliated Hospital of Nantong University | | | Zhiwei Wang | The Affiliated Hospital of Nantong University | | | Zhongqing Wei | The Second Affiliated Hospital of Nanjing Medical University, | | | Yueping Zhang | The Affiliated Hospital of Nantong University | | | Jian Ni | The Affiliated Hospital of Nantong University | | | Chongsheng He | The Affiliated Hospital of Nantong University | | | Limin Ma | The Affiliated Hospital of Nantong University | | | Shujun Zhou | The Affiliated Hospital of Nantong University | | | Wenguang Li | The Affiliated Hospital of Nantong University | |
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| Abstract: |
| Objective Recent studies have shown abnormal expression of octamer-binding transcription factor 4
(OCT4) and interleukin-18 (IL-18) to be related to cancer. However, the molecular mechanisms by which
the IL-18 and OCT4 gene polymorphisms are associated with prostate cancer remain unclear. In this study,
we aimed to determine whether the presence of IL-18 and OCT4 polymorphisms were associated with size,
grade, tumor, nodes and metastasis (TNM) stage, or survival in patients with prostate cancer.
Methods Polymorphisms in OCT4 and IL-18 genes were evaluated to determine susceptibility to prostate
cancer in 120 patients. A control group consisted of 125 Chinese participants. Genotyping was performed
using TaqMan allelic discrimination assays, and statistical analysis was performed using SPSS.
Results No association was found between OCT4 and IL-18 gene polymorphisms and prostate cancer
susceptibility. For OCT4 AA and IL-18-607 CC genotypes, there was a significant association with higher
tumor grade (P = 0.03 and P = 0.025) and stage (P = 0.04 and P = 0.001). The OCT4 and IL-18-137
GG genotype was correlated with higher tumor grade (P = 0.028) and stage (P = 0.008). Furthermore,
OCT4 AA was significantly more frequent in patients with lymph node metastasis (P = 0.02) and distant
metastasis (P = 0.01). The Cox proportional hazard model showed that tumor grade and stage grouping
were independent prognostic factors but IL-18 and OCT4 polymorphisms were not.
Conclusion The OCT4 gene may have a profound effect on prostate cancer risk. Polymorphism variants
in the IL-18 (IL-18-607 and IL-18-137) and OCT4 genes may be associated with poor prognoses for
individuals with prostate cancer. |
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