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LINC01485 contributes to colorectal cancer progression by targeting miR‐383‐5p/KRT80 axis
Long non‐coding RNAs (lncRNAs) are important in tumorigenesis and the development of multiple malignant human tumors, including colorectal cancer (CRC). We aimed to determine the regulatory mechanism of LINC01485 and its biological function in CRC. We estimated the expression of miR‐383‐5p, KRT80, and LINC01485 in CRC cells and tissues using quantitative reverse transcription polymerase chain reaction (qRT‐PCR) and western blotting. The results were confirmed using RNA immunoprecipitation (RIP) and dual‐luciferase assays. Binding relationships among miR‐383‐5p, LINC01485, and KRT80 were assessed. We explored the molecular mechanisms and functions of the LINC01485/miR‐383‐5p/KRT80 axis using CCK‐8 and colony formation assays. Expression of the apoptotic markers Bcl‐2 and Bax was quantified by western blotting, and the effects of LINC01485 on tumor development in vivo were investigated using xenograft tumors. Both LINC01485 and KRT80 were upregulated, whereas miR‐383‐5p was downregulated in CRC cells and tissues. Knockdown of LINC01485 attenuated CRC cell growth and xenograft tumor formation in vivo, whereas LINC01485 enhanced the proliferative capacity of CRC cells but inhibited apoptosis by sponging miR‐383‐5p to increase KRT80 expression in CRC cells. The regulatory molecular mechanism of the LINC01485/miR‐383‐5p/KRT80 axis plays a crucial role in CRC progression. Our findings highlight novel pathways and promising biomarkers for diagnostic and therapeutic application to patients with CRC.
LINC01485 contributes to colorectal cancer progression by targeting miR‐383‐5p/KRT80 axis
Long non‐coding RNAs (lncRNAs) are important in tumorigenesis and the development of multiple malignant human tumors, including colorectal cancer (CRC). We aimed to determine the regulatory mechanism of LINC01485 and its biological function in CRC. We estimated the expression of miR‐383‐5p, KRT80, and LINC01485 in CRC cells and tissues using quantitative reverse transcription polymerase chain reaction (qRT‐PCR) and western blotting. The results were confirmed using RNA immunoprecipitation (RIP) and dual‐luciferase assays. Binding relationships among miR‐383‐5p, LINC01485, and KRT80 were assessed. We explored the molecular mechanisms and functions of the LINC01485/miR‐383‐5p/KRT80 axis using CCK‐8 and colony formation assays. Expression of the apoptotic markers Bcl‐2 and Bax was quantified by western blotting, and the effects of LINC01485 on tumor development in vivo were investigated using xenograft tumors. Both LINC01485 and KRT80 were upregulated, whereas miR‐383‐5p was downregulated in CRC cells and tissues. Knockdown of LINC01485 attenuated CRC cell growth and xenograft tumor formation in vivo, whereas LINC01485 enhanced the proliferative capacity of CRC cells but inhibited apoptosis by sponging miR‐383‐5p to increase KRT80 expression in CRC cells. The regulatory molecular mechanism of the LINC01485/miR‐383‐5p/KRT80 axis plays a crucial role in CRC progression. Our findings highlight novel pathways and promising biomarkers for diagnostic and therapeutic application to patients with CRC.
LINC01485 contributes to colorectal cancer progression by targeting miR‐383‐5p/KRT80 axis
Gao, Xia (author) / Wang, Guangxin (author) / Zhang, Min (author) / Zhang, Xinxin (author) / Zhang, Shuosheng (author) / Long, Haocheng (author)
Environmental Toxicology ; 39 ; 398-408
2024-01-01
11 pages
Article (Journal)
Electronic Resource
English
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