The present study investigated the effect of long noncoding RNA (lncRNA) Dlx6os1 silencing on cell proliferation, apoptosis and fibrosis, and further explored its influence on the mRNA expression profile in mouse mesangial cells (MMCs) of a diabetic nephropathy (DN) cellular model.
A DN cellular model was constructed in SV40 MES13 MMCs under high glucose conditions (30 mmol/l glucose culture). lncRNA Dlx6os1 short hairpin (sh)RNA plasmids and negative control (NC) shRNA plasmids were transfected into the MMCs of the DN cellular model as the shlncRNA group and shNC
group respectively. The mRNA expression profile was determined in the shlncRNA and shNC groups. Compared with the shNC group, the cell proliferation, mRNA and protein expression levels of proliferative markers (cyclin D1 and proliferating cell nuclear antigen) as well as fibrosis markers (fibronectin
and collagen I) were suppressed, whereas cell apoptosis was promoted in the shlncRNA group. The mRNA expression profile identified 423 upregulated mRNAs and 438 downregulated mRNAs in the shlncRNA group compared with the shNC group. Additionally, Gene Ontology/Kyoto Encyclopedia of Genes and
Genomes enrichment analyses revealed that the differentially expressed mRNAs were enriched in apoptosis and inflammationrelated pathways. Further geneset enrichment analysis of apoptosis and inflammation revealed that lncRNA Dlx6os1 inhibition promoted apoptosis and suppressed inflammation
in MMCs of the DN cellular model. In conclusion, lncRNA Dlx6os1 may serve as a potential treatment target for DN via regulation of multiple apoptosis and inflammationrelated pathways.
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Document Type: Research Article
Department of Gynecology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
Department of Endocrinology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P.R. China
October 1, 2020
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Experimental and Therapeutic Medicine aims to ensure the expedient publication, in both print and electronic format, of studies relating to biology, gene therapy, infectious disease, microbiology, molecular cardiology and molecular surgery. The journal welcomes studies pertaining to all aspects of molecular medicine, and studies relating to in vitro or in vivo experimental model systems relevant to the mechanisms of disease are also included.
All materials submitted to this journal undergo the appropriate review via referees who are experts in this field. All materials submitted follow international guidelines with regard to approval of experiments on humans and animals.
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