J Food Biochem
Department of Chemistry, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Published: January 2022
This study evaluated the inhibitory effect of myristic acid (MA) on models of inflammation and nociception. The in vitro anti-inflammatory activities of MA were assessed on LPS-stimulated macrophages, membrane stabilization assay, and inhibition of protein denaturation, whereas the inhibitory activity of MA on in vivo inflammation was assessed on TPA-induced ear edema using acute and chronic assays in mice. The inhibitory effect of MA on nociception was assessed using three in vivo models. MA exerted in vitro anti-inflammatory activity by the increase (58%) in the production of IL-10 in LPS-stimulated macrophages. In the in vivo assay, MA showed good anti-inflammatory effects on the acute (ED = 62 mg/kg) and chronic (ED = 77 mg/kg) TPA-induced ear edema. The antinociceptive activity of MA was related to the participation of the nitrergic system in the formalin-induced paw licking test. PRACTICAL APPLICATIONS: Previous studies with different plant extracts containing MA, as one of their major components, have demonstrated anti-inflammatory and antinociceptive actions. However, the anti-inflammatory and antinociceptive actions of myristic acid have not been previously reported. The results suggest that MA induced anti-inflammatory effects in LPS-stimulated macrophages through the participation of IL-10. The antinociceptive effects of MA are attributed to the participation of the nitrergic system.
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http://dx.doi.org/10.1111/jfbc.14013 | DOI Listing |
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