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Locked Nucleic Acid Inhibits Mir-92A-3P in Human Colorectal Cancer, Induces Apoptosis and Inhibits Cell Proliferation Publisher Pubmed

Summary: A study found blocking a small RNA slows colon cancer cell growth, offering treatment hope. #CancerResearch #ColorectalCancer

Ahmadi S1 ; Sharifi M1 ; Salehi R1
Authors

Source: Cancer Gene Therapy Published:2016


Abstract

MicroRNAs (miRNAs) are a type of small noncoding RNAs that have a vital role in basic biological processes such as cellular growth, division and apoptosis. A change in the expression of miRNAs can induce many diseases. Recently, the role of miRNA in some of the cancers as a tumor suppressor and oncogene has been recognized. Several studies have proved that miR-92a-3p acts as an oncogene in colorectal cancer (CRC). We studied CRC by inhibiting miR-92a-3p in SW48 cells (human colorectal cancer cell line) that were transfected with locked nucleic acid (LNA). At different times, the expression level of miR-92a-3p, cell vitality, apoptosis and necrosis were studied by qRT-PCR, MTT, Annexin-V and propidiumiodide. Our results showed that the expression of miR-92a-3p and proliferation of SW48 cells were decreased, and also a high percentage of SW48 cells were exposed to apoptosis and necrosis (P≤0.005). Our study showed that the inhibition of miR-92a-3p with LNA inhibited cell proliferation and induced apoptosis and necrosis in CRC. © 2016 Nature America, Inc.
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