Loading...
Please wait, while we are loading the content...
Similar Documents
Dysiarenone from Marine Sponge Dysidea arenaria Attenuates ROS and Inflammation via Inhibition of 5-LOX/NF-κB/MAPKs and Upregulation of Nrf-2/OH-1 in RAW 264.7 Macrophages
| Content Provider | Scilit |
|---|---|
| Author | Hu, Tian-Yong Zhang, Hua Chen, Yan-Yan Jiao, Wei-Hua Fan, Jun-Ting Liu, Zhi-Qiang Lin, Hou-Wen Cheng, Bao-Hui |
| Copyright Year | 2021 |
| Abstract | Background: Marine natural products harbor a variety of pharmacological activities, and the sea species have been becoming a main source of new drug candidate. In pursuit of safer and more effective anti-inflammation drug, the anti-inflammatory activities, anti-oxygenation effects and underlying molecular mechanisms of compound dysiarenone from Dysidea arenaria were investigated via LPS-induced RAW 264.7 cell model. Methods: Firstly, RAW 264.7 cells have been stimulated with LPS and treated with dysiarenone, and the cell viability of the LPS-treated RAW 264.7 cells was examined. One-step method, DCFH-DA fluorescence probe method was used to detect reactive oxygen species (ROS). The modulation of dysiarenone on anti-inflammation was detected by enzyme-linked immunosorbent assay by measuring the release of inflammatory cytokines (TNF-α and IL-6), and inflammatory mediators (LTB4). Further, the underlying anti-inflammatory mechanism of dysiarenone was explored by determining the expression of inducible 5-LOX, MAPKs, p-Akt, and p-NF-κB p65. Oxidative stress is tightly connected with inflammation, which was also evaluated through nuclear factor erythroid 2-related factor 2 (Nrf2)/heme oxygenase-1 (OH-1) signaling pathway. Results: Our study unraveled that dysiarenone between 2 and 8 μM reduces the inflammation responses via suppressing the production of inflammatory cytokines (TNF-α and IL-6) and inflammatory mediators $(LTB_{4}$). Dysiarenone down-regulated the protein levels of inducible 5-LOX via the inhibition of phosphorylation of MAPKs (including p38, ERK), Akt and NF-κB p65. Additionally, dysiarenone decreases ROS accumulation by upregulating HO-1 expression via nuclear translocation of Nrf2. Conclusion: In conclusion, we demonstrated that dysiarenone possesses anti-inflammation and anti-oxidation activity via inhibiting 5-LOX/NF-κB/MAPK and Nrf2/HO-1 signaling pathway. Dysiarenone might be a promising lead compound for inflammatory diseases. |
| Related Links | https://www.dovepress.com/getfile.php?fileID=67094 |
| Ending Page | 597 |
| Page Count | 11 |
| Starting Page | 587 |
| ISSN | 11787031 |
| e-ISSN | 11787031 |
| DOI | 10.2147/jir.s283745 |
| Journal | Journal of inflammation research |
| Volume Number | 14 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2021-02-01 |
| Access Restriction | Open |
| Subject Keyword | Integrative and Complementary Medicine Dysiarenone Dysidea Arenaria Ho-1 Nf-κb |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |