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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 35 Issue 10
Oct.  2019
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Article Contents

A bioinformatics analysis of differentially expressed genes in Huh7 cells with low expression of Mindin

DOI: 10.3969/j.issn.1001-5256.2019.10.028
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  • Received Date: 2019-06-24
  • Published Date: 2019-10-20
  • Objective To perform a transcriptomic study of Huh7 cells with low expression of Mindin,and to investigate the biological effects of Mindin. Methods The Mindin interference sequence was designed,synthesized,and introduced into Huh7 cells via the lentiviral vector GV248. Real-time quantitative PCR was used to measure the inhibitory effect on Mindin transcription level. Huh7 cells with low expression of Mindin were obtained and a transcriptomic study was performed for such cells and their control cells. Bioinformatics was used to analyze abnormally expressed genes,and pathway analysis was used to investigate the possible biological functions involving Mindin. The t-test was used for comparison of continuous data between groups. Results Compared with the control cells,Huh7 cells transfected with the lentivirus containing interference sequence had a knockdown efficiency of Mindin mRNA of 63. 8%(P = 0. 003). Huh7 cells with stable low expression of Mindin had a significantly higher cell migration rate than the control cells(3. 511 ± 0. 538 vs 1. 701 ± 0. 765,t =-3. 355,P = 0. 03). Compared with the control cells,Huh7 cells with low expression of Mindin had 2888 upregulated genes and 2516 downregulated genes. Gene ontology analysis and pathway analysis were performed for 895 differentially expressed genes with | log2 FC | > 2. 0 and P<0. 05. The pathway analysis showed that the top 10 biological functions involving Mindin were tumor signaling pathway,chemokine signaling pathway,systemic lupus erythematosus,glycerophospholipid metabolism,neuroactive ligand-receptor interaction,hypertrophic cardiomyopathy,glycerolipid metabolism,MAPK signaling pathway,complement and coagulation cascades,and basal cell carcinoma. Conclusion Huh7 cells with low expression of Mindin are successfully constructed. Mindin has wide biological functions including tumors,chemokines,and lipid metabolism.

     

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