Resveratrol Improves Mechanical Allodynia and Inflammation: Focus on Sex Differences in Rats

Author:

Bautista-Carro Mario AlbertoORCID,Galindo-Paredes GumaroORCID,Iannitti TommasoORCID,Morales-Medina Julio CésarORCID

Abstract

AbstractInflammatory pain is a complex phenomenon arising from various etiological factors, resulting in diverse symptoms that can lead to persistent debilitations. The management of chronic inflammatory pain predominantly involves non-steroidal anti-inflammatory drugs, despite their association with adverse cardiovascular and gastrointestinal effects. Consequently, the pursuit of innovative therapeutic avenues for pain intervention is of paramount importance. Resveratrol, renowned for its anti-inflammatory and anti-oxidative attributes, emerges as a promising candidate in this regard. In this work, we assessed the potential of resveratrol to elicit anti-nociceptive and anti-inflammatory effects in two distinct models of peripheral inflammation: carrageenan and complete Freund’s adjuvant, conducted in male and female rats. In rats treated with carrageen, resveratrol administration yielded an elevation in mechanical thresholds in both sexes, concurrently inducing a reduction in paw diameter specifically among male rats. Furthermore, the administration of resveratrol in complete Freund’s adjuvant–treated rats led to an analogous increase of mechanical thresholds, a response observed in both male and female subjects. These compelling outcomes underscore the analgesic and anti-inflammatory attributes inherent to resveratrol, thereby offering a fresh insight into the intricate realm of sex-related variances in two well-characterized pharmacodynamics models of inflammatory pain. Graphical Abstract

Publisher

Springer Science and Business Media LLC

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