Moringa isothiocyanate-1 inhibits inflammation via NF-κB pathway in skeletal muscle cells
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ABSTRACT:
PROVIDER: PRJNA862131 | ENA |
REPOSITORIES: ENA
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Project description:This study aims to investigate the effect of Moringa isothiocyanate-1 (MIC-1) derived from seeds of Moringa oleifera Lam in lipopolysaccharide (LPS)-induced muscle inflammation models. MIC-1 decreased nitric oxide production, and reduced the expression of pro-inflammatory markers, in C2C12 myoblasts. The daily oral treatment of MIC-1 (80 mg/kg) for three days significantly reduced the expression of pro-inflammatory markers (TNF-α, Ifn-α, IL-1β, IL-6) in gastrocnemius tissue of mice. Transcriptomic analysis provided insight into the inhibitory effects of MIC-1 on the LPS-induced inflammation, which suggests that MIC-1 acts via inflammation, and immunity pathways in myoblasts and skeletal muscle tissue. MIC-1 inhibited the nuclear accumulation of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) in the LPS-treated murine, which supports that MIC-1 decreases inflammation and regulates immune responses at a gene expression level in LPS-induced inflammation murine model.
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Project description:Moringa Isothiocyanate-1 (MIC-1) purified from moringa (Moringa oleifera Lam) seed extract (MSE) has been previously proved to modulate anti-inflammatory and antioxidant activities. However, the molecular mechanism remains poorly understood, particularly nothing is known about its effect on Lipopolysaccharide (LPS) induced sepsis/inflammation. Hence, we investigated whether MIC-1 can decrease acute inflammation in the LPS-induced acute inflammation/sepsis model in mice. Mice were treated orally with MIC-1 for three days before the intraperitoneal injection of LPS. MIC-1 treatment resulted in a dramatic improvement in the histopathological signs of inflammation in the liver, kidney, spleen, and colon and a significant reduction of the LPS-induced sepsis. Moreover, MIC-1 treatment significantly reduced the expression of inflammatory markers in all these organs. We also performed transcriptome analysis in vitro and in vivo in LPS induced macrophages and liver with/without MIC-1 treatment. Interestingly, there is an upregulation of inflammatory/immune response genes in LPS induced macrophages/liver, and there is downregulation of same set of genes after treating with MIC-1. Our results together indicate that MIC-1 reduces sepsis/inflammation through NF-κB and Nrf2 mediated anti-inflammatory/antioxidant signaling pathways. Research has demonstrated that chronic low-grade tissue inflammation and oxidative stress are essential factors in the development of metabolic disorders. Therefore, MIC-1 could be a new natural therapeutic strategy to treat metabolic syndrome.
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