LncRNA NCK1-AS1 Aggravates Hepatocellular Carcinoma by the miR-22-3p/YARS Axis to Activate PI3K/AKT Signaling. 2022

Weixin Zhou, and Jie Wang, and Jie Zhang, and Yuhan Wang, and Ling Jiang, and Tianhong Guo, and Binrui Luo, and Qi Xu, and Yuanshuai Huang
Department of Transfusion, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China. . zhouweixin1204@126.com.

Hepatocellular carcinoma (HCC) is frequently diagnosed at late stages when curative treatments are no more appliable. Many studies have proved the active role of long non-coding RNAs (lncRNAs) in cancers' biology; here, the functional role of lncRNA NCK1-AS1 in HCC was identified. Gene expression in tumor tissues of HCC was evaluated by examining online databases and 88 collected HCC samples from our hospital. The interactions of miR-22-3p with NCK1-AS1 and tyrosyl-tRNA synthetase (YARS) were tested by conducting bioinformatics analysis, luciferase report, and RNA pulldown experiments. CCK-8, colony formation, flow cytometry, wound healing, transwell experiments were used to dissect the role of the NCK1-AS1/miR-22-3p/YARS axis in HCC. NCK1-AS1 was overexpressed in HCC cells and tissues. Functional assays depicted that depletion of NCK1-AS1 hampered malignant character of HCC cells. NCK1-AS1 controlled the availability of miR-22-3p, resulting in YARS upregulation. YARS was found to have a clinical value for HCC diagnosis. Moreover, rescue experiments revealed that miR-22-3p inhibition or YARS overexpression partially blocked the function of NCK1-AS1 deficiency in HCC cells. As for the downstream signaling pathway, we discovered that NCK1-AS1 activated PI3K/AKT signaling by the miR-22-3p/YARS axis. The present study verified that NCK1-AS1 could promote HCC progression via the miR-22-3p/YARS axis to activate PI3K/AKT signaling.

UI MeSH Term Description Entries
D008113 Liver Neoplasms Tumors or cancer of the LIVER. Cancer of Liver,Hepatic Cancer,Liver Cancer,Cancer of the Liver,Cancer, Hepatocellular,Hepatic Neoplasms,Hepatocellular Cancer,Neoplasms, Hepatic,Neoplasms, Liver,Cancer, Hepatic,Cancer, Liver,Cancers, Hepatic,Cancers, Hepatocellular,Cancers, Liver,Hepatic Cancers,Hepatic Neoplasm,Hepatocellular Cancers,Liver Cancers,Liver Neoplasm,Neoplasm, Hepatic,Neoplasm, Liver
D006528 Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. Hepatocellular Carcinoma,Hepatoma,Liver Cancer, Adult,Liver Cell Carcinoma,Liver Cell Carcinoma, Adult,Adult Liver Cancer,Adult Liver Cancers,Cancer, Adult Liver,Cancers, Adult Liver,Carcinoma, Liver Cell,Carcinomas, Hepatocellular,Carcinomas, Liver Cell,Cell Carcinoma, Liver,Cell Carcinomas, Liver,Hepatocellular Carcinomas,Hepatomas,Liver Cancers, Adult,Liver Cell Carcinomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014448 Tyrosine-tRNA Ligase An enzyme that activates tyrosine with its specific transfer RNA. EC 6.1.1.1. Tyrosyl T RNA Synthetase,Tyr-tRNA Ligase,Tyrosyl-tRNA Synthetase,Ligase, Tyr-tRNA,Ligase, Tyrosine-tRNA,Synthetase, Tyrosyl-tRNA,Tyr tRNA Ligase,Tyrosine tRNA Ligase,Tyrosyl tRNA Synthetase
D015398 Signal Transduction The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway. Cell Signaling,Receptor-Mediated Signal Transduction,Signal Pathways,Receptor Mediated Signal Transduction,Signal Transduction Pathways,Signal Transduction Systems,Pathway, Signal,Pathway, Signal Transduction,Pathways, Signal,Pathways, Signal Transduction,Receptor-Mediated Signal Transductions,Signal Pathway,Signal Transduction Pathway,Signal Transduction System,Signal Transduction, Receptor-Mediated,Signal Transductions,Signal Transductions, Receptor-Mediated,System, Signal Transduction,Systems, Signal Transduction,Transduction, Signal,Transductions, Signal
D015513 Oncogene Proteins Proteins coded by oncogenes. They include proteins resulting from the fusion of an oncogene and another gene (ONCOGENE PROTEINS, FUSION). Oncogene Products,Oncoprotein,Oncoproteins,Oncogene Product,Oncogene Protein,Product, Oncogene,Products, Oncogene,Protein, Oncogene,Proteins, Oncogene
D015972 Gene Expression Regulation, Neoplastic Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in neoplastic tissue. Neoplastic Gene Expression Regulation,Regulation of Gene Expression, Neoplastic,Regulation, Gene Expression, Neoplastic
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D048868 Adaptor Proteins, Signal Transducing A broad category of carrier proteins that play a role in SIGNAL TRANSDUCTION. They generally contain several modular domains, each of which having its own binding activity, and act by forming complexes with other intracellular-signaling molecules. Signal-transducing adaptor proteins lack enzyme activity, however their activity can be modulated by other signal-transducing enzymes Signal Transducing Adaptor Proteins
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular

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