ReferenceID 6217
Sinapic Acid Controls Inflammation by Suppressing NLRP3 Inflammasome Activation
Cells
A natural phenolic acid compound, sinapic acid (SA), is a cinnamic acid derivative that contains 3,5-dimethoxyl and 4-hydroxyl substitutions in the phenyl ring of cinnamic acid. SA is present in various orally edible nat
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Record Fields
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- Reference Id
- 6217
- Evidence Id
- 22807
- Core Evidence Id
- 22807
- Source Reference Id
- 5711
- Herb2 Reference Id
- HBREF006508
- Subject Paper Key
- HBIN044062_34571975
- Pubmed Id
- 34571975
- Doi
- 10.3390/cells10092327
- Paper Title
- Sinapic Acid Controls Inflammation by Suppressing NLRP3 Inflammasome Activation
- Paper Abstract
- A natural phenolic acid compound, sinapic acid (SA), is a cinnamic acid derivative that contains 3,5-dimethoxyl and 4-hydroxyl substitutions in the phenyl ring of cinnamic acid. SA is present in various orally edible natural herbs and cereals and is reported to have antioxidant, antitumor, anti-inflammatory, antibacterial, and neuroprotective activities. Although the anti-inflammatory function of SA has been reported, the effect of SA on the NOD-like receptor pyrin domain-containing 3 (NLRP3) inflammasome has not been explored. In the present study, to elucidate the anti-inflammatory mechanism of SA, we examined whether SA modulates the NLRP3 inflammasome. We found that SA blocked caspase-1 activation and IL-1beta secretion by inhibiting NLRP3 inflammasome activation in bone marrow-derived macrophages (BMDMs). Apoptosis-associated speck-like protein containing CARD (ASC) pyroptosome formation was consistently blocked by SA treatment. SA specifically inhibited NLRP3 activation but not the NLRC4 or AIM2 inflammasomes. In addition, SA had no significant effect on the priming phase of the NLRP3 inflammasome, such as pro-IL-1beta and NLRP3 inflammasome expression levels. Moreover, we found that SA attenuated IL-1beta secretion in LPS-induced systemic inflammation in mice and reduced lethality from endotoxic shock. Our findings suggest that the natural compound SA has potential therapeutic value for the suppression of NLRP3 inflammasome-associated inflammatory diseases.
- Journal
- Cells
- Publish Year
- 2021
- Experiment Subject
- mouse
- Experiment Type
- Cell Experiment
- Phenotype Related
- Endotoxic Shock; Nlrp3 Inflammasome-associated Inflammatory Diseases
- Paper Title Cn
- Paper Title En
- Sinapic Acid Controls Inflammation by Suppressing NLRP3 Inflammasome Activation
- Bilingual Status
- semi_complete