Resveratrol reduces the spontaneous contractions of rabbit duodenum

El resveratrol reduce las contracciones espontaneas del duodeno de conejo

  • Diego Santos-Fagundes Universidad de Zaragoza
  • Sergio Gonzalo Universidad de Zaragoza
  • Laura Grasa Universidad de Zaragoza
  • María Divina Murillo Universidad de Zaragoza
Keywords: Resveratrol, duodenum, spontaneous contractions, Ca2 channels, rabbit

Abstract

Resveratrol, a natural polyphenol, is known for its antioxidant, anti-inflammatory, analgesic, antiviral, cardioprotective, neuroprotective and antiageing action. The aim of this study was to investigate the effect of resveratrol on the spontaneous contractions of rabbit duodenum (RD). Isolated segments of RD were suspended in an organ bath. Resveratrol (1 and 10 μM) reduced the amplitude but not the frequency of the spontaneous contractions in the longitudinal smooth muscle of RD. Bay K8644 (L-type Ca2+ channel activator) antagonized the inhibition of amplitude of spontaneous contractions induced by resveratrol. Apamin, charybdotoxin, glibenclamide and tetraethylamoniun did not modify the effect of resveratrol on duodenal muscle. It was conclude that the decrease of the spontaneous contractions induced by resveratrol would be mediated by Ca2+ channels.

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Author Biographies

Diego Santos-Fagundes, Universidad de Zaragoza

Departamento de Farmacología y Fisiología (Fisiología). Facultad de Veterinaria. Universidad de Zaragoza. Miguel Servet 177. 50013 Zaragoza (España).

Sergio Gonzalo, Universidad de Zaragoza

Departamento de Farmacología y Fisiología (Fisiología). Facultad de Veterinaria. Universidad de Zaragoza. Miguel Servet 177. 50013 Zaragoza (España).

Laura Grasa, Universidad de Zaragoza

Departamento de Farmacología y Fisiología (Fisiología). Facultad de Veterinaria. Universidad de Zaragoza. Miguel Servet 177. 50013 Zaragoza (España).

María Divina Murillo, Universidad de Zaragoza

Departamento de Farmacología y Fisiología (Fisiología). Facultad de Veterinaria. Universidad de Zaragoza. Miguel Servet 177. 50013 Zaragoza (España).

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Published
2019-08-18
How to Cite
1.
Santos-Fagundes D, Gonzalo S, Grasa L, Murillo MD. Resveratrol reduces the spontaneous contractions of rabbit duodenum: El resveratrol reduce las contracciones espontaneas del duodeno de conejo. Rev. Cient. FCV-LUZ [Internet]. 2019Aug.18 [cited 2024Nov.24];29(4):260-4. Available from: https://produccioncientificaluz.org/index.php/cientifica/article/view/36548