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Chelidonine Inhibits TNF-α-induced Inflammation by Suppressing the NF-κB Pathways in HCT116 Cells

Chelidonine Inhibits TNF-α-induced Inflammation by Suppressing the NF-κB Pathways in HCT116 Cells

Zhi Hong Zhang, Chunliu Mi, Ke Si Wang, Zhe Wang, Ming Yue Li, Hong Xiang Zuo, Guang Hua Xu, Xuezheng Li, Lian Xun Piao, Juan Ma, Xuejun Jin

Phytother Res. 2018 Jan;32(1):65-75.

PMID: 29044876

Abstract:

Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) is a complex that regulates several hundreds of genes, including those involved in immunity and inflammation, survival, proliferation, and the negative feedback of NF-κB signaling. Chelidonine, a major bioactive, isoquinoline alkaloid ingredient in Chelidonium majus, exhibits antiinflammatory pharmacological properties. However, its antiinflammatory molecular mechanisms remain unclear. In this work, we explored the effect of chelidonine on TNF-induced NF-κB activation in HCT116 cells. We found chelidonine inhibited the phosphorylation and degradation of the inhibitor of NF-κB alpha and nuclear translocation of RELA. Furthermore, by inhibiting the activation of NF-κB, chelidonine downregulated target genes involved in inflammation, proliferation, and apoptosis. Chelidonine also inhibited mitogen-activated protein kinase pathway activation by blocking c-Jun N-terminal kinase and p38 phosphorylation. These results suggest that chelidonine may be a potential therapeutic agent against inflammatory diseases in which inhibition of NF-κB activity plays an important role.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP476324	Chelidonine		476-32-4	Price

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