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Concentrating on molecular biomarkers in cancer research, Cancer Biomarkers publishes original research findings (and reviews solicited by the editor) on the subject of the identification of markers associated with the disease processes whether or not they are an integral part of the pathological lesion.
The disease markers may include, but are not limited to, genomic, epigenomic, proteomics, cellular and morphologic, and genetic factors predisposing to the disease or indicating the occurrence of the disease. Manuscripts on these factors or biomarkers, either in altered forms, abnormal concentrations or with abnormal tissue distribution leading to disease causation will be accepted.
Authors: Hu, Jianxia | Li, Chengqian | Liu, Chongkai | Zhao, Shihua | Wang, Yangang | Fu, Zhengju
Article Type: Research Article
Abstract: BACKGROUND: The sensitivity and specificity of biomarkers which have been used in clinical practice for diagnosis of papillary thyroid carcinoma (PTC) are low, it is essential to develop novel diagnostic and prognostic biomarkers for PTC. OBJECTIVE: To explore the expressions of miR-940, miR-15a, miR-16 and IL-23 in PTC tissues and plasma and their associations with the clinical characteristics of PTC. METHODS: We investigated the expressions of miR-940, miR-15a, miR-16 and IL-23 in plasma and thyroid tissues of PTC, nodular goiter and healthy people with qRT-PCR, and further analyzed the associations between their levels …and the clinical characteristics of PTC. RESULTS: Level of IL-23 expression was higher while levels of miR-940, miR-15a and miR-16 expression in the PTC tissues were lower compared with the nodular goiter tissues and perineoplastic thyroid tissues. And the levels of miR-940, miR-15a, miR-16 and IL-23 expression in the PTC tissues were associated with some clinical characteristics of PTC, including bilateral tumor, multicentricity, extrallyroidal invasion, cervical lymph node metastasis, distant metastasis and clinical advanced stages (III/IV). CONCLUSIONS: Expressions of miR-940, miR-15a, miR-16 and IL-23 in PTC tissues might be useful biomarkers and promising targets in the diagnosis of papillary thyroid carcinoma. Show more
Keywords: Papillary thyroid carcinoma, miR-940, miR-15a, miR-16, IL-23
DOI: 10.3233/CBM-161723
Citation: Cancer Biomarkers, vol. 18, no. 1, pp. 87-94, 2017
Authors: Yang, Zhao-Yang | Yang, Fang | Zhang, Ying-Li | Liu, Bao | Wang, Meng | Hong, Xuan | Yu, Yan | Zhou, Yao-Hui | Zeng, Hai
Article Type: Research Article
Abstract: Our study aimed to explore the effects of long noncoding RNA (lncRNA)-ANCR on the invasion and migration of colorectal cancer (CRC) cells by regulating enhancer of zeste homolog 2 (EZH2) expression. CRC tissues and adjacent normal tissues were collected and CRC SW620 cells line and normal human intestinal epithelial cells (HIECs) were incubated. CRC SW620 cells line was transfected with ANCR-siRNA. The expressions of ANCR and EZH2 mRNA were measured by real-time quantitative polymerase chain reaction (RT-qPCR). EZH2 and trimethylation of H3K27 (H3K27me3) protein expressions were detected using Western blotting. The relationship between ANCR and EZH2 was determined through RNA …pull-down and co-immunoprecipitation (co-IP) assays. Cell invasion and migration were determined by Trans-well and cell scratch assays. ANCR, EZH2 and H3K27me3 expressions were up-regulated in CRC tissues and SW620 cells (all P < 0.05). After transfected with ANCR-siRNA, SW620 cells showed decreased ANCR expression and EZH2 mRNA and protein expressions (all P < 0.05). According to the results of RNA pull-down and co-IP assays, ANCR could specifically bind to EZH2. The results of Trans-well and cell scratch tests showed that when ANCR expression was decreased, the invasion and migration abilities of SW620 cells significantly declined (both P < 0.05). In conclusion, these results suggest that lncRNA-ANCR could influence the invasion and migration of CRC cells by specifically binding to EZH2. Show more
Keywords: LncRNA, ANCR, EZH2, invasion, migration, colorectal cancer
DOI: 10.3233/CBM-161715
Citation: Cancer Biomarkers, vol. 18, no. 1, pp. 95-104, 2017
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