Why the study?
Does tetrodotoxin perfusion into the preoptic area and anterior hypothalamus alter thermoregulatory functions and heart rate in exercising rats?
Population
Male Wistar rats trained for 3 weeks by treadmill running (n=24)
Comparison
Tetrodotoxin solution perfused into the left… vs Control group (n=12)
Design
Preclinical
Follow-up
120 minutes
Authors
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Implicates PO/AH as key thermoregulatory site during exercise; leaves open translation to humans.
Does tetrodotoxin perfusion into the preoptic area and anterior hypothalamus alter thermoregulatory functions and heart rate in exercising rats?
Inhibition of the preoptic area and anterior hypothalamus by tetrodotoxin in exercising rats impairs heat loss and elevates heat production, highlighting its role as a key thermoregulatory site.
Hasegawa et al. (2004) studied this question.
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