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Med Oncol ; 41(1): 21, 2023 Dec 19.
Article in English | MEDLINE | ID: mdl-38112798

ABSTRACT

Cancer is a complex and multifaceted disease characterized by uncontrolled cell growth, genetic alterations, and disruption of normal cellular processes, leading to the formation of malignant tumors with potentially devastating consequences for patients. Molecular research is important in the diagnosis and treatment, one of the molecular mechanisms involved in various cancers is the fluctuation of gene expression. Non-coding RNAs, especially microRNAs, are involved in different stages of cancer. MicroRNAs are small RNA molecules that are naturally produced within cells and bind to the 3'-UTR of target mRNA, repressing gene expression by regulating translation. Overexpression of miR-19a has been reported in human malignancies. Upregulation of miR-19a as a member of the miR-17-92 cluster is key to tumor formation, cell proliferation, survival, invasion, metastasis, and drug resistance. Furthermore. bioinformatics and in vitro data reveal that the miR-19a-3p isoform binds to the 3'UTR of CBX7 and was identified as the miR-19a-3p target gene. CBX7 is known as a tumor suppressor. This review initially describes the regulation of mir-19a in multiple cancers. Accordingly, the roles of miR-19 in affecting its target gene expression CBX7 in carcinoma also be discussed.


Subject(s)
MicroRNAs , Neoplasms , Humans , Cell Line, Tumor , MicroRNAs/genetics , MicroRNAs/metabolism , Cell Proliferation/genetics , Up-Regulation , Gene Expression Regulation, Neoplastic , Neoplasms/genetics , Polycomb Repressive Complex 1/genetics , Polycomb Repressive Complex 1/metabolism
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