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MiR-502 Suppresses TNF- < em > α < /em > -Induced Nucleus Pulposus Cell Apoptosis by Targeting TARF2
This study is aimed at investigating the role of microRNAs (miRNAs) in regulating human nucleus pulposus (NP) cell injury induced by tumor necrosis factor- (TNF-) α in IVDD. In this study, we induced NP cells with 20 ng/mL TNF-α in vitro, which promoted the obvious apoptosis of NP cells and the activation of nuclear transcription factor (NF)-κB. In contrast, using the specific NF-κB inhibitor BAY 11-7082 to treat cells greatly impaired the activation of NF-κB and increased the sensitivity of NP cells to TNF-α-induced apoptosis. Moreover, both TNF-α and BAY 11-7082 treatments were associated with marked miRNA dysregu...
Source: Biomed Res - April 19, 2021 Category: Research Authors: Zhao Guo Wen-Shan Gao Yun-Fei Wang Fei Gao Wei Wang Wen-Yuan Ding Source Type: research

microRNA-155-3p attenuates intervertebral disc degeneration via inhibition of KDM3A and HIF1 α
ConclusionThe study concludes that up-regulated miR-155-3p or silenced KDM3A promotes the proliferation, autophagy, and restrains the apoptosis of NP cells of IDD via inhibition of HIF1 α, which may be a promising approach for the treatment of IDD.
Source: Inflammation Research - January 23, 2021 Category: Research Source Type: research

Kalirin-7 contributes to type 2 diabetic neuropathic pain via the postsynaptic density-95/N-methyl-D-aspartate receptor 2B-dependent N-methyl-D-aspartate receptor 2B phosphorylation in the spinal cord in rats.
CONCLUSIONS: Our findings suggest that spinally expressed Kalirin-7 likely contributes to type 2 diabetic neuropathic pain through regulating the PSD-95/NR2B interaction-dependent NR2B phosphorylation in the spinal cord. PMID: 32913553 [PubMed]
Source: American Journal of Translational Research - September 13, 2020 Category: Research Tags: Am J Transl Res Source Type: research

The protective effects of phoenixin-14 against lipopolysaccharide-induced inflammation and inflammasome activation in astrocytes
ConclusionThese findings suggest that PNX-14 may have potential in the treatment of neuroinflammation.
Source: Inflammation Research - May 19, 2020 Category: Research Source Type: research

FOXP1 enhances fibrosis via activating Wnt/ β-catenin signaling pathway in endometriosis.
In this study we used endometrial and endometriotic stromal cells isolated from patients, and employed siRNA to knockdown Forkhead box protein P1 (FOXP1) to investigate the effect of FOXP1 on collagen contraction, cell proliferation and mitigation. Western blot and quantitative PCR were applied for analysis of protein and mRNA levels, respectively. Compared to control stromal cells, endometriotic stromal cells from patients exhibited higher levels of FOXP1 expression and Wnt-related β-catenin acetylation. FOXP1 knockdown decreased not only Wnt signaling, but also the expression of fibrotic marker genes, including connecti...
Source: American Journal of Translational Research - January 24, 2019 Category: Research Tags: Am J Transl Res Source Type: research

A novel synthetic small molecule DMFO targets Nrf2 in modulating proinflammatory/antioxidant mediators to ameliorate inflammation.
We report the synthesis and anti-inflammatory/antioxidant activity of a novel indanedione derivative DMFO. DMFO scavenged reactive oxygen species (ROS) in in-vitro radical scavenging assays and in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. In acute models of inflammation (carrageenan-induced inflammation in rat paw and air pouch), DMFO effectively reduced paw oedema and leucocyte infiltration with an activity comparable to diclofenac. DMFO stabilised mast cells (MCs) in in-vitro A23187 and compound 48/80-induced assays. Additionally, DMFO stabilised MCs in an antigen (ovalbumin)-induced MC degranulation mod...
Source: Free Radical Research - November 15, 2018 Category: Research Tags: Free Radic Res Source Type: research

Effects of LncRNA BC168687 siRNA on Diabetic Neuropathic Pain Mediated by P2X7 Receptor on SGCs in DRG of Rats.
In conclusion, lncRNA BC168687 may participate in the pathogenesis of DNP mediated by P2X7 receptor, which will provide a novel way for the study of the pathogenesis of diabetes mellitus complicated with neuropathic pain and its prevention and treatment. PMID: 29204447 [PubMed - in process]
Source: Biomed Res - December 7, 2017 Category: Research Authors: Liu C, Tao J, Wu H, Yang Y, Chen Q, Deng Z, Liu J, Xu C Tags: Biomed Res Int Source Type: research