Document Detail

Medial and lateral hypothalamic oxygen consumption as a function of age, starvation and glucose administration in rats.
MedLine Citation:
PMID:  1148859     Owner:  NLM     Status:  MEDLINE    
In fed rats, in vitro oxygen consumption of the ventromedial hypothalamus (VMH) was found to be reliably higher than that of the lateral hypothalamus (LHA), and this differential effect was abolished by prior food deprivation. Neither body weight (236-569 g) nor age (50-180 days old) was important in determining the magnitude of differential respiration of these hypothalamic subareas. VMH respiration was found to be especially responsive to intragastric administration of glucose-oxygen consumption increasing 94% above baseline levels in VMH, with only a 28% increment occurring in the LHA. Using various delays between loading of glucose and testing, the VMH-LHA ratio in oxygen consumption was found to be inversely related to food intake. Implications of these findings to the nature of hypothalamic control of feeding are discussed.
J Panksepp; P Reilly
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Publication Detail:
Type:  In Vitro; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Brain research     Volume:  94     ISSN:  0006-8993     ISO Abbreviation:  Brain Res.     Publication Date:  1975 Aug 
Date Detail:
Created Date:  1975-11-01     Completed Date:  1975-11-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0045503     Medline TA:  Brain Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  133-40     Citation Subset:  IM    
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MeSH Terms
Age Factors
Body Weight
Food Deprivation
Glucose / pharmacology
Hypothalamus / metabolism*
Norepinephrine / pharmacology
Oxygen Consumption*
Time Factors
Reg. No./Substance:
50-99-7/Glucose; 51-41-2/Norepinephrine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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