Document Detail


Ingestion of non-caloric liquid diet is sufficient to restore plasma corticosterone level, but not to induce the hypothalamic c-Fos expression in food-deprived rats.
MedLine Citation:
PMID:  18284034     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Male Sprague-Dawley rats were subjected to four different conditions; free fed control (FC), 48 h of food deprivation (FD), 1 h of refeeding with chow (RF/CW) or with a non-caloric liquid diet following FD (RF/NC) and then sacrificed for c-Fos immunohistochemistry in the hypothalamic paraventricular nucleus (PVN) and the nucleus tractus of solitarius (NTS). Plasma corticosterone level and the postmortem weight of gastric contents were measured. Plasma level of corticosterone significantly increased during FD, and then decreased within 1 h after ad libitum access to chow or non-caloric liquid diet. c-Fos-ir in the brain regions was not changed by FD; however, significantly increased by chow refeeding, but not by non-caloric diet. Chow, but not the non-caloric, refeeding significantly increased gastric contents. Results suggest that caloric load and/or gastric distension may require for the postprandial activation of neurons in the PVN and NTS, but ingestion of non-caloric palatable mixture may be sufficient to normalize the fasting-induced increase of plasma corticosterone. In conclusion, feeding-related changes in the HPA axis activity may not be related with meal-induced c-Fos expression in the PVN and NTS.
Authors:
Sang Bae Yoo; Jong-Ho Lee; Vitaly Ryu; Jeong Won Jahng
Related Documents :
11384044 - Blood amino acids and milk composition from cows fed soybean meal, fish meal, or both.
11340104 - Beans, as a source of dietary fiber, increase cholecystokinin and apolipoprotein b48 re...
14995154 - Evaluation of estrogenic activity in diets for experimental animals using in vitro assay.
1650714 - Functional differences in human neutrophils isolated pre- and post-prandially.
2051224 - Carnitine status and lipid utilization in neonatal piglets fed diets low in carnitine.
8780334 - Adolescent growth and maturation in zinc-deprived rhesus monkeys [see comment]
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Nutritional neuroscience     Volume:  10     ISSN:  1028-415X     ISO Abbreviation:  Nutr Neurosci     Publication Date:    2007 Oct-Dec
Date Detail:
Created Date:  2008-02-20     Completed Date:  2008-03-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100892202     Medline TA:  Nutr Neurosci     Country:  England    
Other Details:
Languages:  eng     Pagination:  261-7     Citation Subset:  IM    
Affiliation:
Department of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University School of Dentistry, Seoul 110-768, South Korea.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Animals
Corticosterone / blood*
Diet
Energy Intake*
Food*
Food Deprivation*
Hypothalamus / chemistry*
Immunohistochemistry
Male
Organ Size
Paraventricular Hypothalamic Nucleus / chemistry
Proto-Oncogene Proteins c-fos / analysis*
Rats
Rats, Sprague-Dawley
Solitary Nucleus / chemistry
Solutions
Stomach / anatomy & histology
Chemical
Reg. No./Substance:
0/Proto-Oncogene Proteins c-fos; 0/Solutions; 50-22-6/Corticosterone

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


Previous Document:  Effects of early protein malnutrition and scopolamine on learning and memory in the Morris water maz...
Next Document:  Pretreatment with a mixture of essential fatty acids protects rats from anxiogenic effects of REM de...