Crossref journal-article
American Physiological Society
American Journal of Physiology-Regulatory, Integrative and Comparative Physiology (24)
Abstract

We tested whether brain glycogen reserves were depleted by sleep deprivation (SD) in Long-Evans rats 20–59 days old. Animals were sleep deprived beginning at lights on and then immediately killed by microwave irradiation. Glycogen and glucose levels were measured by a fluorescence enzymatic assay. In all age groups, SD reduced cerebellar glycogen levels by an average of 26% after 6 h of SD. No changes were observed in the cortex after 6 h of SD, but in the oldest animals, 12 h of SD increased cortical glycogen levels. There was a developmental increase in basal glycogen levels in both the cortex and cerebellum that peaked at 34 days and declined thereafter. Robust differences in cortical and cerebellar glycogen levels in response to enforced waking may reflect regional differences in energy utilization and regulation during wakefulness. These results show that brain glycogen reserves are sensitive to SD.

Bibliography

Gip, P., Hagiwara, G., Ruby, N. F., & Heller, H. C. (2002). Sleep deprivation decreases glycogen in the cerebellum but not in the cortex of young rats. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 283(1), R54–R59.

Authors 4
  1. Phung Gip (first)
  2. Grace Hagiwara (additional)
  3. Norman F. Ruby (additional)
  4. H. Craig Heller (additional)
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Dates
Type When
Created 10 years, 6 months ago (March 3, 2015, 3:24 p.m.)
Deposited 5 years, 11 months ago (Sept. 8, 2019, 11:23 a.m.)
Indexed 4 months, 1 week ago (April 22, 2025, 4:30 a.m.)
Issued 23 years, 2 months ago (July 1, 2002)
Published 23 years, 2 months ago (July 1, 2002)
Published Print 23 years, 2 months ago (July 1, 2002)
Funders 0

None

@article{Gip_2002, title={Sleep deprivation decreases glycogen in the cerebellum but not in the cortex of young rats}, volume={283}, ISSN={1522-1490}, url={http://dx.doi.org/10.1152/ajpregu.00735.2001}, DOI={10.1152/ajpregu.00735.2001}, number={1}, journal={American Journal of Physiology-Regulatory, Integrative and Comparative Physiology}, publisher={American Physiological Society}, author={Gip, Phung and Hagiwara, Grace and Ruby, Norman F. and Heller, H. Craig}, year={2002}, month=jul, pages={R54–R59} }