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PubMed | Hebei University of Engineering, Hebei Medical University and Handan Central Hospital Handan
Type: Journal Article | Journal: International journal of clinical and experimental pathology | Year: 2014

MicroRNAs (miRNAs) are noncoding RNAs that regulate multiple cellular processes during cancer progression. MiR-630 has recently been identified to be involved in tumorigenesis of several cancers such as lung cancer and gastric cancer. However, the regulation of miR-630 in clear cell renal cell carcinoma (ccRCC) has not yet been reported before.Expression of miR-630 was evaluated by quantitative real-time PCR in tumour and their normal matched tissues in n = 92 ccRCC patients, and its association with overall survival of patients was analyzed by statistical analysis.The expression level of miR-630 was significantly higher in renal cancer in comparison to normal matched tissue (P < 0.05). It is also proved that miR-630 expression was to be associated with renal cancer histologic grade, lymphnode metastasis, distant metastasis (P < 0.05). In addition, the Kaplan-Meier survival curves revealed that high miR-630 expression was associated with poor prognosis in ccRCC patients. miR-630 expression was an independent prognostic marker of overall ccRCC patient survival in a multivariate analysis.The study proves for the first time that miR-630 is upregulated in a majority of ccRCC patients. It also shows that miR-630 expression is an independent prognostic factor for patients with renal cancer, which might be a potential valuable biomarker for ccRCC.


PubMed | Hebei Chest Hospital Shijiazhuang, Hebei Medical University and Handan Central Hospital Handan
Type: Journal Article | Journal: International journal of clinical and experimental pathology | Year: 2015

KLF17 belongs to the Sp/KLF zinc-finger protein family as a regulator in tumor development. However, its expression and biologic function has remained unclear in EC.The esophageal carcinoma tissue samples and adjacent normal tissues were obtained from the Second Hospital of Hebei Medical University. Immunohistochemistry, Western blot, and transfection were applied to evaluate the expression and clinical significance of KLF17 in esophageal cancer.In this study, we showed that KLF17 was overexpressed in esophageal normal samples compared to the cancer. Moreover, KLF17 was upregulated at lymph node non-metastatic cancer tissues when compared to metastatic cancer tissues. KLF17 overexpression decreased EC cell proliferation, migration and invasion ability. In contrast, the knockdown of KLF17 increased EC cell proliferation, migration and invasion ability.These results suggest that KLF17 inhibits tumor development and may serve as a potential therapeutic target.

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