Synthesis and Biological Properties of Pyranocoumarin Derivatives as Potent Anti-Inflammatory Agentsopen access
- Authors
- Min, Su Ji; Lee, Heesu; Shin, Myoung-Sook; Lee, Jae Wook
- Issue Date
- Jun-2023
- Publisher
- MDPI
- Keywords
- Coumarins; RAW264; 7 macrophages; lipopolysaccharide
- Citation
- INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v.24, no.12
- Journal Title
- INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
- Volume
- 24
- Number
- 12
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/88611
- DOI
- 10.3390/ijms241210026
- ISSN
- 1661-6596
- Abstract
- This study aimed to synthesize 23 coumarin derivatives and analyze their anti-inflammatory effects on lipopolysaccharide (LPS)-induced inflammation in RAW264.7 macrophages. A cytotoxicity test performed on LPS-induced RAW264.7 macrophages revealed that none of the 23 coumarin derivatives were cytotoxic. Among the 23 coumarin derivatives, coumarin derivative 2 showed the highest anti-inflammatory activity by significantly reducing nitric oxide production in a concentration-dependent manner. Coumarin derivative 2 inhibited the production of proinflammatory cytokines, including tumor necrosis factor alpha and interleukin-6, and decreased the expression level of each mRNA. In addition, it inhibited the phosphorylation of extracellular signal-regulated kinase, p38, c-Jun NH2-terminal kinase, nuclear factor kappa-B p65 (NF-& kappa;B p65), and inducible nitric oxide synthase. These results indicated that coumarin derivative 2 inhibited LPS-induced mitogen-activated protein kinase and NF-& kappa;B p65 signal transduction pathways in RAW264.7 cells, as well as proinflammatory cytokines and enzymes related to inflammatory responses, to exert anti-inflammatory effects. Coumarin derivative 2 showed potential for further development as an anti-inflammatory drug for the treatment of acute and chronic inflammatory diseases.
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