Effects of chronic taurine treatment on reactivity of the rat aorta

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35 Scopus citations


The effects of chronic taurine treatment on the reactivity of the aorta form male Wistar-Kyoto rats were investigated. Contractile responses to norepinephrine (NE) and potassium chloride (KC1) were attenuated in aortic rings from taurine-treated rats as compared to controls both in the absence and presence of endothelium. However, the degree of attenuation was greater in endothelium-intact tissues contracted with NE. Acetylcholine (Ach)-induced relaxation responses were augmented in endothelium-intact vessels from rats supplemented with taurine compared to the responses observed in control preparations. Relaxation responses of the aortae from control and taurine-treated rats to sodium nitroprusside (SNP) were not different from each other. Our results suggest that taurine treatment attenuates vascular contractility nonspecifically and this effect is partly mediated via the endothelium.

Original languageEnglish (US)
Pages (from-to)615-623
Number of pages9
JournalAmino Acids
Issue number3-4
StatePublished - Jan 1 2000


  • Amino acids
  • Endothelium
  • Rat aorta
  • Taurine
  • Vascular reactivity

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Organic Chemistry


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