Document Detail


Meal energy content is related to features of meal-related ghrelin profiles across a typical day of eating in non-obese premenopausal women.
MedLine Citation:
PMID:  16718628     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Some features of the meal-related profile of ghrelin correspond to acute energy intake, suggesting a role in short-term energy homeostasis. Yet, no studies have examined this relationship across a typical day of eating when effects of time of day and or cumulative energy intake may also exist. AIM OF STUDY: To examine the relation between ghrelin and acute energy intake by quantifying changes in ghrelin over 24 hours in response to three typical meals and a snack occurring throughout the day. METHODS: Fourteen non-obese women consumed three meals and a snack at specific times; total ghrelin was measured repeatedly over 24 hours. RESULTS: Significant correlations existed between: 1) meal calories and the post-meal trough (r = - 0.36; p < 0.05), and 2) the sum of breakfast and lunch calories and subsequent dinner rise (r = - 0.45; p < 0.02) and 3) the sum of breakfast and lunch calories and dinner peak (r = - 0.54; p < 0.003). Thus, as energy intake increased across the day, pre-meal rises of subsequent meals were reduced. CONCLUSION: Meal-related profiles of ghrelin are not only associated with the energy content of specific meals, but also with the accumulated calories prior to a subsequent meal, suggesting a role in the modulation of acute energy homeostasis.
Authors:
H J Leidy; N I Williams
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme     Volume:  38     ISSN:  0018-5043     ISO Abbreviation:  Horm. Metab. Res.     Publication Date:  2006 May 
Date Detail:
Created Date:  2006-05-23     Completed Date:  2006-07-27     Revised Date:  2009-02-19    
Medline Journal Info:
Nlm Unique ID:  0177722     Medline TA:  Horm Metab Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  317-22     Citation Subset:  IM    
Affiliation:
Noll Laboratory and the Department of Kinesiology, Pennsylvania State University, University Park, PA 16802, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Circadian Rhythm
Eating
Energy Intake*
Energy Metabolism / physiology
Female
Food*
Ghrelin
Homeostasis
Humans
Peptide Hormones / blood*
Premenopause
Grant Support
ID/Acronym/Agency:
1R01 HD39245-01A1/HD/NICHD NIH HHS; M01 RR10732/RR/NCRR NIH HHS
Chemical
Reg. No./Substance:
0/Ghrelin; 0/Peptide Hormones

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


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