Decreases in pineal melatonin content during the hibernation bout in the golden-mantled ground squirrel, spermophilus lateralis

Toni L. Stanton; Cheryl M. Craft; Russel J. Reiter

doi:10.1016/0024-3205(84)90162-0

Decreases in pineal melatonin content during the hibernation bout in the golden-mantled ground squirrel, spermophilus lateralis

Toni L. Stanton, Cheryl M. Craft, Russel J. Reiter

Cell Systems & Anatomy

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The role of the pineal gland in modulating the rhythmic bouts of hibernation in the golden-mantled ground squirrel (S. lateralis) was explored by comparing pineal melatonin content in hibernating animals with that of euthermic animals at the same time of year. Significant decreases in pineal melatonin content were found in hibernating versus euthermic animals In addition, significantly lower values for pineal melatonin were observed in hibernating animals that were sacrificed in the late bout period, just prior to expected spontaneous arousal, as compared to hibernating animals that were sacrificed on the first day of their respective bouts. A strong correlation was evident between pineal melatonin content and the duration of the individual hibernation bout. These data suggest that pineal melatonin may be important in determining the duration of individual bouts of hibernation in this species.

Original language	English (US)
Pages (from-to)	1461-1467
Number of pages	7
Journal	Life Sciences
Volume	35
Issue number	14
DOIs	https://doi.org/10.1016/0024-3205(84)90162-0
State	Published - Oct 1 1984

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)
Pharmacology, Toxicology and Pharmaceutics(all)

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title = "Decreases in pineal melatonin content during the hibernation bout in the golden-mantled ground squirrel, spermophilus lateralis",

abstract = "The role of the pineal gland in modulating the rhythmic bouts of hibernation in the golden-mantled ground squirrel (S. lateralis) was explored by comparing pineal melatonin content in hibernating animals with that of euthermic animals at the same time of year. Significant decreases in pineal melatonin content were found in hibernating versus euthermic animals In addition, significantly lower values for pineal melatonin were observed in hibernating animals that were sacrificed in the late bout period, just prior to expected spontaneous arousal, as compared to hibernating animals that were sacrificed on the first day of their respective bouts. A strong correlation was evident between pineal melatonin content and the duration of the individual hibernation bout. These data suggest that pineal melatonin may be important in determining the duration of individual bouts of hibernation in this species.",

author = "Stanton, {Toni L.} and Craft, {Cheryl M.} and Reiter, {Russel J.}",

note = "Funding Information: This investigation was supported by the Alfred I. duPont Institute and by NSF grant number PCM-8003h41 to R.J.R. We gratefully acknowledge the expert technical assistance of Mrs. Valentina Golovko. We also wish to thank Susan Keenan for the typescript.",

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doi = "10.1016/0024-3205(84)90162-0",

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AU - Stanton, Toni L.

AU - Craft, Cheryl M.

AU - Reiter, Russel J.

N1 - Funding Information: This investigation was supported by the Alfred I. duPont Institute and by NSF grant number PCM-8003h41 to R.J.R. We gratefully acknowledge the expert technical assistance of Mrs. Valentina Golovko. We also wish to thank Susan Keenan for the typescript.

PY - 1984/10/1

Y1 - 1984/10/1

N2 - The role of the pineal gland in modulating the rhythmic bouts of hibernation in the golden-mantled ground squirrel (S. lateralis) was explored by comparing pineal melatonin content in hibernating animals with that of euthermic animals at the same time of year. Significant decreases in pineal melatonin content were found in hibernating versus euthermic animals In addition, significantly lower values for pineal melatonin were observed in hibernating animals that were sacrificed in the late bout period, just prior to expected spontaneous arousal, as compared to hibernating animals that were sacrificed on the first day of their respective bouts. A strong correlation was evident between pineal melatonin content and the duration of the individual hibernation bout. These data suggest that pineal melatonin may be important in determining the duration of individual bouts of hibernation in this species.

AB - The role of the pineal gland in modulating the rhythmic bouts of hibernation in the golden-mantled ground squirrel (S. lateralis) was explored by comparing pineal melatonin content in hibernating animals with that of euthermic animals at the same time of year. Significant decreases in pineal melatonin content were found in hibernating versus euthermic animals In addition, significantly lower values for pineal melatonin were observed in hibernating animals that were sacrificed in the late bout period, just prior to expected spontaneous arousal, as compared to hibernating animals that were sacrificed on the first day of their respective bouts. A strong correlation was evident between pineal melatonin content and the duration of the individual hibernation bout. These data suggest that pineal melatonin may be important in determining the duration of individual bouts of hibernation in this species.

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Decreases in pineal melatonin content during the hibernation bout in the golden-mantled ground squirrel, spermophilus lateralis

Abstract

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