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Diabetic nephropathy (DN) is a crucial microvascular complication of diabetes. Long non-coding RNAs (lncRNAs) participate in the occurrence and development of various diseases, but the function and regular mechanism of lncRNA-NR_033515 in DN is still unclear. In the present study, we demonstrated that the expression of NR_033515 was significantly increased in the serum of DN patients and was related to the different stages of DN. NR_033515 was also positively associated with diagnostic markers of DN (KIM-1 and NGAL). Overexpression of NR_033515 promoted proliferation, and inhibited apoptosis of MMC cells and increased the expression levels of proliferation-related genes. NR_033515 also accelerated the expression levels of fibrogenesis-related genes. TGF-β1 enhanced NR_033515-induced Epithelial-mesenchymal transition (EMT), while NR_033515 over-expression accelerated TGF-β1-induced EMT. Furthermore, we found that NR_033515 promoted cell proliferation and regulated P38, ASK1, Fibronectin, α-SMA, E-cadherin, and Vimentin expressions by miR-743b-5p. Therefore, our data indicated the potential role of NR_033515 in the proliferation, fibrogenesis and EMT in DN. NR_033515 could be a pivotal potential diagnostic and therapeutic target for the treatment of DN.
This article was published in the following journal.
Name: Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
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A transcription factor characterized by N-terminal and C-terminal CYS2-HIS2 ZINC FINGERS separated by a homeobox. It represses the expression of E-CADHERIN to induce the EPITHELIAL-MESENCHYMAL TRANSITION. It also represses PROTO-ONCOGENE PROTEINS C-BCL-6; regulates the cell type-specific expression of SODIUM-POTASSIUM-EXCHANGING ATPASE; and promotes neuronal differentiation.
A highly-conserved family of basic helix-loop-helix (bHLH) transcription factors. They function as dimers with other bHLH proteins and bind E-BOX ELEMENTS to control gene expression during EMBRYOGENESIS and the EPITHELIAL-MESENCHYMAL TRANSITION.
A transcription factor family characterized by the presence of several C-terminal CYS2-HIS2 ZINC FINGERS. They function in many developmental processes including the induction of the EPITHELIAL-MESENCHYMAL TRANSITION; maintenance of embryonic MESODERM; growth arrest, CELL SURVIVAL; and CELL MIGRATION.
An extracellular matrix glycoprotein from platelets and a variety of normal and transformed cells of both mesenchymal and epithelial origin. Thrombospondin-1 is believed to play a role in cell migration and proliferation, during embryogenesis and wound repair. Also, it has been studied for its use as a potential regulator of tumor growth and metastasis.