Regulation of daily rhythm of body temperature by neurotensin receptor in rats

M. Yamada, T. Cho, N. J. Coleman, M. Yamada, E. Richelson

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

It is proposed that neurotensin receptor mediated signal transduction may play an important role in the thermoregulatory control in the brain. In this study, a significant increase in body core temperature was observed with SR 48692, a neurotensin receptor antagonist, after treatment of rats at light phase when the temperature is regulated low. On the other hand, SR 48692 delayed the physiological decline of body core temperature at dark phase when the temperature is highly regulated. We also found slight daily rhythmicity, though not significant, in neurotensin/neuromedin N precursor protein mRNA levels in the medial preoptic nucleus using in situ hybridization technique. Our results support the hypothesis that endogenous neurotensin receptor agonists play a physiological role in the central modulation of body core temperature in rats.

Original languageEnglish (US)
Pages (from-to)323-332
Number of pages10
JournalResearch Communications in Molecular Pathology and Pharmacology
Volume87
Issue number3
StatePublished - 1995

Fingerprint

Neurotensin Receptors
Body Temperature
Rats
Neurotensin
Temperature
Preoptic Area
Periodicity
In Situ Hybridization
Signal Transduction
Signal transduction
Light
Messenger RNA
Brain
Modulation
Proteins
SR 48692

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Regulation of daily rhythm of body temperature by neurotensin receptor in rats. / Yamada, M.; Cho, T.; Coleman, N. J.; Yamada, M.; Richelson, E.

In: Research Communications in Molecular Pathology and Pharmacology, Vol. 87, No. 3, 1995, p. 323-332.

Research output: Contribution to journalArticle

Yamada, M, Cho, T, Coleman, NJ, Yamada, M & Richelson, E 1995, 'Regulation of daily rhythm of body temperature by neurotensin receptor in rats', Research Communications in Molecular Pathology and Pharmacology, vol. 87, no. 3, pp. 323-332.
Yamada, M. ; Cho, T. ; Coleman, N. J. ; Yamada, M. ; Richelson, E. / Regulation of daily rhythm of body temperature by neurotensin receptor in rats. In: Research Communications in Molecular Pathology and Pharmacology. 1995 ; Vol. 87, No. 3. pp. 323-332.
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