Journal
BIOORGANIC CHEMISTRY
Volume 127, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2022.106037
Keywords
Mitochondria; Ferulic acid amides; Antioxidant; Anti -inflammation; Mitophagy
Funding
- Fundamental Research Funds for the Central Universities [lzujbky-2018-131]
- National Natural Science Foundation of China [21302079]
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Seventeen ferulic acid amide derivatives were synthesized and evaluated for their antioxidant and anti-inflammatory activities. Four compounds showed higher dual-activities, with compound 8d being the most effective in suppressing inflammatory cytokines secretion and enhancing mitophagy. This study suggests that developing mitochondria-targeted antioxidants could be a feasible strategy for combating inflammation.
The seventeen ferulic acid amide derivatives were synthesized by coupling mitochondrial carrier coumarin-3-carboxamide with acrylic acids. The results of cellular antioxidant activity and inhibitory effects on NO pro-duction against LPS-stimulated RAW264.7 macrophages indicated four compounds (8c, 8d, 9c, 9d) showed the higher dual-activities of antioxidant and anti-inflammatory. The structure-activity relationship was deduced. In regard to mechanism research, the most potent compound 8d which mainly distributed in mitochondria sup-pressed the secretion of inflammatory cytokines IL-6 and TNF-alpha, enhancing mitophagy to alleviate inflammatory response. Besides, the dual-activities were diminished by removal of coumarin carrier in 8d, suggesting the enrichment in mitochondria might be important for activities. This study showed that development of mitochondria-targeted antioxidants could be a feasible strategy to resist inflammation.
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