Cited by 115Cardiovascular and exercise physiologySports Performance and TrainingNeurotransmitter Receptor Influence on Behavior

Serotonergic Agonists and Antagonists Affect Endurance Performance in the Rat

Bailey, S., Davis, J., Ahlborn, E.·1993·International Journal of Sports Medicine

Abstract

The purpose of this experiment was to examine the effects of administration of serotonergic (5-HT) agonist and antagonist drugs on run-time to exhaustion (RUN-EXH) in male and female rats. RUN-EXH was reduced (p < 0.05) in a dose related manner by increasing dosages of quipazine dimaleate (QD: general 5-HT agonist) (0-5 mg.kg-1 i.p.) administered immediately prior to exercise (treadmill running at 20 m.min-1 and 5% grade). Conversely, RUN-EXH was increased (p < 0.05) by the greatest dosage of LY 53,857 (LY: 5-HT1C and 5-HT2 antagonist) (1.5 mg.kg-1 i.p.). Drug effects were similar in male and female rats. The negative effects of QD administration on RUN-EXH were not attenuated by administration of the peripherally restricted antagonist, xylamidine tosylate (up to 200 ug.kg-1 i.p.). The results of this investigation indicated that fatigue during prolonged exercise can be influenced by direct pharmacological administration of a serotonergic agonist and antagonist and that the mechanisms underlying these effects are likely to be central (brain) in nature.

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Crossref · 10.1055/s-2007-1021187

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Authors
Bailey, S., Davis, J., & Ahlborn, E.
Affiliations
University of South Carolina (US)
Venue
International Journal of Sports Medicine
Published
1993-08
Volume
14
Issue
06
Pages
330-333
ISSN
  • 0172-4622 (ISSN-L)
  • 1439-3964
OpenAlex
W2002111073
Cited by
114
References
0
Citations by year
2026: 2 · 2022: 4 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 5 · 2016: 11 · 2015: 3 · 2014: 1 · 2013: 4 · 2012: 4
FWCI
7.48
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Sports Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
serotonergic agonists, serotonergic antagonists, endurance performance, xylazine, prolonged exercise, sex differences, central nervous system mechanisms
MeSH terms
Amidines, Animals, Dose-Response Relationship, Drug, Ergolines, Female, Injections, Intraperitoneal, Male, Physical Endurance, Placebos, Quipazine, Running, Serotonin Antagonists, Time Factors, Rats, Wistar, Rats

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