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miRNA-574-5p downregulates ZNF70 and influences the progression of human esophageal squamous cell carcinoma through reactive oxygen species generation and MAPK pathway activation.

07:00 EST 1st March 2020 | BioPortfolio

Summary of "miRNA-574-5p downregulates ZNF70 and influences the progression of human esophageal squamous cell carcinoma through reactive oxygen species generation and MAPK pathway activation."

There is growing evidence shown that microRNAs (miRNAs) are associated with cancer and can play a role in human cancers as oncogenes or tumor suppressor genes. miRNA-574-5p is a candidate oncogene in various types of cancer, but little is known about biological functions of miR-574-5p in esophageal squamous cell carcinoma (ESCC). In this study, we observe that the expression of miR-574-5p is not only increased in human ESCC tissues but also remarkably increased in cell lines correlates with ZNF70. In vitro, we explored the role of miR-574-5p in ESCC progression via transfection of the miR-574-5p inhibitor into ECA-109 cells. The results show miR-574-5p serve as a tumor promoter regulating cells proliferation and apoptosis in ESCC through mitochondrial-mediated reactive oxygen species (ROS) generation and MAPK pathways. Furthermore, ZNF70 has been proved to as a functional target for miR-574-5p to regulate cells poliferation and apoptosis. In summary, these results suggest that miR-574-5p serves as tumor promoter to promote proliferation and inhibit apoptosis of ESCC cells by targeting ZNF70 via mitochondrial-mediated ROS generation and MAPK pathways. The miR-574-5p/ZNF70 pathway provides a new insight into the molecular mechanisms that the occurrence and development of ESCC and it provides a novel therapeutic target for ESCC.

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This article was published in the following journal.

Name: Anti-cancer drugs
ISSN: 1473-5741
Pages: 282-291

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Medical and Biotech [MESH] Definitions

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Surgical incision of the lower esophageal sphincter near the CARDIA often used to treat ESOPHAGEAL ACHALASIA.

Circular innermost layer of the ESOPHAGUS wall that mediates esophageal PERISTALSIS which pushes ingested food bolus toward the stomach.

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