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Effect of neurokinin A on human temporal muscle blood flow

C Tuxen, K Jensen, M Kjeldsen, L Edvinsson, I Jansen, J Olesen

6 Citations (Scopus)

Abstract

The effect of neurokinin A on human temporal muscle blood flow was compared to saline when injected into the muscle in six normal subjects. The 133-Xenon washout technique was used and the test solutions administered in a double-blind, cross-over manner. Neurokinin A (0.02 ml, 10(-5)M) caused a blood flow increase of 193%, while saline caused an increase of 23%. The difference between neurokinin A and saline was significant (p less than 0.05). It is suggested that a possible pathophysiological role of neurokinin A in migraine must involve modulation of vascular response as well as of primary nociception.

Original languageEnglish
JournalPeptides
Volume10
Issue number5
Pages (from-to)921-4
Number of pages4
ISSN0196-9781
DOIs
Publication statusPublished - 1989
Externally publishedYes

Keywords

  • Adult
  • Blood Pressure/drug effects
  • Double-Blind Method
  • Female
  • Heart Rate/drug effects
  • Humans
  • Male
  • Mastication/physiology
  • Masticatory Muscles/drug effects
  • Neurokinin A/pharmacology
  • Regional Blood Flow/drug effects
  • Temporal Muscle/blood supply

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