scholarly journals Novel lncRNA Panel as for Prognosis in Esophageal Squamous Cell Carcinoma Based on ceRNA Network Mechanism

2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Jin Zhang ◽  
Fei Xiao ◽  
Guangliang Qiang ◽  
Zhenrong Zhang ◽  
Qianli Ma ◽  
...  

Background. The competitive endogenous RNA (ceRNA) mechanism has been discovered recently and regulating cancer-related gene expressions. The ceRNA network participates in multiple processes, such as cell proliferation and metastasis, and potentially drives the progression of cancer. In this study, we focus on the ceRNA networks of esophageal squamous cell carcinoma and discovered a novel biomarker panel for cancer prognosis. Methods. RNA expression data of esophageal carcinoma from the TCGA database were achieved and constructed ceRNA network in esophageal carcinoma using R packages. Results. Four miRNAs were discovered as the core of the ceRNA model, including miR-93, miR-191, miR-99b, and miR-3615. Moreover, we constructed a ceRNA network in esophageal carcinoma, which included 4 miRNAs and 6 lncRNAs. After ceRNA network modeling, we investigated six lncRNAs which could be taken together as a panel for prognosis prediction of esophageal cancer, including LINC02575, LINC01087, LINC01816, AL136162.1, AC012073.1, and AC117402.1. Finally, we tested the predictive power of the panel in all TCGA samples. Conclusions. Our study discovered a new biomarker panel which may have potential values in the prediction of prognosis of esophageal carcinoma.

2016 ◽  
Vol 16 (4) ◽  
pp. 519-527 ◽  
Author(s):  
Saffiyeh Saboor-Maleki ◽  
Fatemeh B. Rassouli ◽  
Maryam M. Matin ◽  
Mehrdad Iranshahi

The high incidence of esophageal squamous cell carcinoma has been reported in selected ethnic populations including North of Iran. Low survival rate of esophageal carcinoma is partially due to the presence of stem-like cancer cells with chemotherapy resistance. In the current study, we aimed to determine the effects of auraptene, an interesting dietary coumarin with various biological activities, on malignant properties of stem-like esophageal squamous cell carcinoma, in terms of sensitivity to anticancer drugs and expression of specific markers. To do so, the half maximal inhibitory concentration values of auraptene, cisplatin, paclitaxel, and 5-fluorouracil were determined on esophageal carcinoma cells (KYSE30 cell line). After administrating combinatorial treatments, including nontoxic concentrations of auraptene + cisplatin, paclitaxel, or 5-fluorouracil, sensitivity of cells to chemical drugs and also induced apoptosis were assessed. In addition, quantitative real-time polymerase chain reaction was used to study changes in the expression of tumor suppressor proteins 53 and 21 ( P53 and P21), cluster of differentiation 44 ( CD44), and B cell-specific Moloney murine leukemia virus integration site 1 ( BMI-1) upon treatments. Results of thiazolyl blue assay revealed that auraptene significantly ( P < .05) increased toxicity of cisplatin, paclitaxel, and 5-fluorouracil in KYSE30 cells, specifically 72 hours after treatment. Conducting an apoptosis assay using flow cytometry also confirmed the synergic effects of auraptene. Results of quantitative real-time polymerase chain reaction revealed significant ( P < .05) upregulation of P53 and P21 upon combinatorial treatments and also downregulation of CD44 and BMI-1 after auraptene administration. Current study provided evidence, for the first time, that auraptene attenuates the properties of esophageal stem-like cancer cells through enhancing sensitivity to chemical agents and reducing the expression of CD44 and BMI-1 markers.


2017 ◽  
Vol 8 (6) ◽  
pp. 1025-1029 ◽  
Author(s):  
Zihui Tan ◽  
Man Zhang ◽  
Qiang Han ◽  
Jing Wen ◽  
Kongjia Luo ◽  
...  

2015 ◽  
Vol 6 (6) ◽  
pp. 39-42
Author(s):  
Xing Zhao ◽  
Rajina Sahi ◽  
Yu-Yang Zhao ◽  
Jun Wang ◽  
Chun- Hui Li

Aim: To explore the association between HPV16-E6 protein and esophageal squamous cell carcinoma.Materials and Methods: SP immunohistochemical method was used to examine the expression of HPV 16-E6 in 50 cases of esophageal squamous cell carcinoma, 10 cases of normal esophageal squamous cell and 10 cases of adjacent tissue.Results: The expressions of HPV 16-E6 was significantly higher in esophageal carcinoma than in normal esophageal mucosa and in adjacent tissue. The expressions of HPV 16-E6 had correlation with invasive depth (P<0.05), but not with patient age, lymph node metastasis, tumor size (P>0.05).Conclusion: HPV 16-E6 can promote the growth and metastasis of esophageal squamous cell carcinoma and can be a prognostic factor of esophageal squamous cell carcinoma.  DOI: http://dx.doi.org/10.3126/ajms.v6i6.12537 Asian Journal of Medical Sciences Vol.6(6) 2015 39-42


2016 ◽  
Vol 12 (11) ◽  
pp. 3467-3477 ◽  
Author(s):  
Jin-Cheng Guo ◽  
Chun-Quan Li ◽  
Qiu-Yu Wang ◽  
Jian-Mei Zhao ◽  
Ji-Yu Ding ◽  
...  

Esophageal carcinoma is one of the most malignant gastrointestinal cancers worldwide, and has a high mortality rate.


2015 ◽  
Vol 10 (4) ◽  
pp. 1-5
Author(s):  
Xing Zhao ◽  
Rajina Sahi ◽  
Yu-Yang Zhao ◽  
Ju Wang ◽  
Chun-Hui Li

Background and Objective: The role of (Human Papilloma Virus) HPV in cancer of certain anatomical location, such as cervix, has been widely recognized. The present study was conducted to explore the association between HPV 16-E6 protein and esophageal squamous cell carcinoma.Methods: SP immunohistochemical method was used to examine the expression of HPV 16-E6 in 50 cases of esophageal squamous cell carcinoma, 10 cases of normal esophageal squamous cell and 10 cases of adjacent tissue.Results: The expression of HPV 16-E6 was significantly higher in esophageal carcinoma than in normal esophageal mucosa and in adjacent tissue. The expressions of HPV 16-E6 had significant correlation with invasive depth (P<0.05), but not with patient age, lymph node metastasis, tumor size (P>0.05).Conclusion: HPV 16-E6 can promote the growth and metastasis of esophageal squamous cell carcinoma and can be a prognostic factor of esophageal squamous cell carcinoma.JCMS Nepal 2014; 10(4):1-5 


2020 ◽  
Author(s):  
Qian Wang ◽  
Qingtao Qiu ◽  
Zicheng Zhang ◽  
Jing Zhang ◽  
Guanghui Yang ◽  
...  

Abstract Background: Lymphocytes as a marker of immune function are essential to the immune response. Sternum and vertebra bone marrow (BM) exposed to radiation may affect lymphocytes during radiotherapy (RT) for esophageal carcinoma (EC). We analyzed the relationship among peripheral blood lymphocytes, exposed sternum and vertebra body BM, and overall survival (OS) to find BM dosimetric parameters of lymphopenia during chemoradiotherapy (CRT) for patients with esophageal squamous cell carcinoma (ESCC). Methods: We examined 476 ESCC patients from January 2012 to January 2015, all of whom received concurrent or sequential CRT. Absolute lymphocyte counts (ALC) during RT of each patient were collected from the routine workup at the following RT times: pretreatment ALC (ALC0), at 1–5, 6–10, 11–15, 16–20, and 21–25, and more than 26 sessions (called ALC1–6, respectively). The sternum and vertebral body BM were delineated in accordance with uniform standards, and the irradiated volumes were calculated by dose-volume histograms (DVH). The Kaplan–Meier method and Cox proportional hazards regression were used to analyze the survival of the patients. Comparisons of DVH were performed using the Mann–Whitney U test or two-sample t-test where appropriate. Results: A relative volume of sternum BM irradiated by more than 20 Gy could clearly affect the peripheral blood lymphocytes. The V20 of sternum BM and V50 of vertebra body BM were related to the OS of the patients, and the level of ALC2(at 6–10 times of RT) could predict the patients’ outcomes. The Cox regression analyses showed that the 218 patients with ALC2 ≥ 0.8×109/L had a significantly longer OS (47.0 vs. 30.9, p<0.0001) than the 258 patients with ALC2 < 0.8×109/L. Conclusion: In patients with ESCC, the relative volume of sternum BM irradiated by more than 20 Gy was associated with lymphocyte. The V20 of the sternum BM and the V50 of the vertebra body BM were related to the OS of the patients. The level of ALC2 is a significant prognostic factor in esophageal carcinoma patients.


2020 ◽  
Vol 19 ◽  
pp. 153303382092096
Author(s):  
Yonghong Wang ◽  
Qimei Fang ◽  
Liru Tian ◽  
Zhongzhen Yuan ◽  
Lizhen Tian ◽  
...  

Background: In recent studies, microRNAs have been demonstrated as stable detectable biomarkers in blood for cancer. In addition, computer-aided biomarker discovery has now become an attractive paradigm for precision diagnosis. Methods: In this study, we identified and evaluated miR-139-3p as a biomarker for screening of esophageal squamous cell carcinoma using the Cancer Genome Atlas and Gene Expression Omnibus database analyses. We identified possible miR-139-3p target genes through the predicted database and esophageal squamous cell carcinoma upregulated genes from the Cancer Genome Atlas and Gene. Bioinformatics analysis was performed to determine key miR-139-3p targets and pathways associated with esophageal carcinoma. Finally, the expression and expected significance of hub genes were evaluated via the Genotype-Tissue Expression project. Results: MiR-139-3p was significantly downregulated in patients with esophageal squamous cell carcinoma/esophageal carcinoma. In GSE 122497, the area under the curve-receiver operating characteristic value, sensitivity, and specificity for serum miR-139-3p were 0.754, 67.49%, and 80.00%, respectively. The pattern specification process, skeletal system development, and regionalization process were the most enriched interactions in esophageal carcinoma. In addition, Epstein-Barr virus infection, human T-cell leukemia virus 1 infection, and human cytomegalovirus infection were identified as crucial pathways. Six hub genes (CD1A, FCGR2A, ANPEP, CD1B, membrane metalloendopeptidase, and TWIST1) were found, and FCGR2A and membrane metalloendopeptidase were further confirmed by genotype-tissue expression. High expression of membrane metalloendopeptidase correlated with a better overall survival but not with disease-free survival of patients with esophageal carcinoma. Conclusions: MiR-139-3p was identified as a candidate biomarker for predicting esophageal squamous cell carcinoma based on network analysis. MiR-139-3p acted as a tumor suppressor by targeting membrane metalloendopeptidase in esophageal carcinoma, and low expression of membrane metalloendopeptidase may indicate a better prognosis of patients with esophageal carcinoma.


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