Integrative analysis of negatively regulated miRNA-mRNA axes for esophageal squamous cell carcinoma

Author:

Peng Shuang11,Zhang Shiyu11,Fan Xingchen21,Zhu Jingfeng3,Liu Cheng4,Yue Yulin5,Wang Tongshan1,Zhu Wei1

Affiliation:

1. Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

2. Department of Geriatrics, The First People’s Hospital of Lianyungang, Lianyungang, Jiangsu, China

3. Department of Nephrology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

4. Department of Gastroenterology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

5. Department of Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Abstract

BACKGROUND: MicroRNAs regulating mRNA expression by targeting at mRNAs is known constructive in tumor occurrence, immune escape, and metastasis. OBJECTIVE: This research aims at finding negatively regulatory miRNA-mRNA pairs in esophageal squamous cell carcinoma (ESCC). METHODS: GENE expression data of The Cancer Genome Atlas (TCGA) and GEO database were employed in differently expressed RNA and miRNA (DE-miRNAs/DE-mRNAs) screening. Function analysis was conducted with DAVID-mirPath. MiRNA-mRNA axes were identified by MiRTarBase and TarBase and verified in esophageal specimen by real-time reverse transcription polymerase chain reaction (RT-qPCR). Receiver operation characteristic (ROC) curve and Decision Curve Analysis (DCA) were applied in miRNA-mRNA pairs predictive value estimation. Interactions between miRNA-mRNA regulatory pairs and immune features were analyzed using CIBERSORT. RESULTS: Combining TCGA database, 4 miRNA and 10 mRNA GEO datasets, totally 26 DE-miRNAs (13 up and 13 down) and 114 DE-mRNAs (64 up and 50 down) were considered significant. MiRTarBase and TarBase identified 37 reverse regulation miRNA-mRNA pairs, 14 of which had been observed in esophageal tissue or cell line. Through analysis of RT-qPCR outcome, miR-106b-5p/KIAA0232 signature was chosen as characteristic pair of ESCC. ROC and DCA verified the predictive value of model containing miRNA-mRNA axis in ESCC. Via affecting mast cells, miR-106b-5p/KIAA0232 may contribute to tumor microenvironment. CONCLUSIONS: The diagnostic model of miRNA-mRNA pair in ESCC was established. Their complex role in ESCC pathogenesis especially tumor immunity was partly disclosed.

Publisher

IOS Press

Subject

Cancer Research,Genetics,Oncology,General Medicine

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