Document Detail

Effect of catch-up growth by various dietary patterns and resveratrol intervention on bone status.
MedLine Citation:
PMID:  22442358     Owner:  NLM     Status:  MEDLINE    
Catch-up growth (CUG) after food restriction can increase the risks for insulin resistance-related diseases, and to our knowledge, no previous studies have addressed how bone is influenced by CUG when refeeding diet content differs. The objective of this study was to investigate the bone status resulting from CUG induced by varying refeeding dietary patterns, and to assess the potential influencing factors and the effect of resveratrol on bone status during CUG. Experimental rats were randomly divided into five groups: normal chow (NC) group; CUG group (CUG, containing two subgroups, respectively, refeeding with normal chow or high-fat diet); high-fat diet (HF) group; and resveratrol intervention groups (CUGE and HFE). Bone parameters were detected by dual-energy X-ray absorptiometry. Serum concentrations of tumor necrosis factor (TNF)-α, body weight and food intake were also recorded. Our results showed that food restriction induced a significant decrease in bone parameters. Eight-week CUG by normal chow had a greater degree of improvement in bone mineral density than high-fat diet, and even returned to normal level similar to NC. Bone parameters were elevated in varying degrees in the HF group compared with the NC group. In the resveratrol intervention groups, bone parameters significantly increased. Furthermore, bone parameters were inversely related with serum TNF-α concentrations, but showed positive correlation with body weight. In conclusion, the study shows that CUG can partially reverse the deleterious effects of caloric restriction on bone health, especially in the refeeding with normal chow group. Moreover, resveratrol has a protective effect on bone status during the period of CUG. Serum TNF-α levels and body weight also seem to play an important role in regulating bone parameters.
Lu-Lu Chen; Su-Xing Wang; Yu Dai; Payal Buckoreelall; Ping Zhang; Hao-Hao Zhang; Wen Kong
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Experimental biology and medicine (Maywood, N.J.)     Volume:  237     ISSN:  1535-3699     ISO Abbreviation:  Exp. Biol. Med. (Maywood)     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-23     Completed Date:  2012-05-07     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  100973463     Medline TA:  Exp Biol Med (Maywood)     Country:  England    
Other Details:
Languages:  eng     Pagination:  297-304     Citation Subset:  IM    
Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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MeSH Terms
Absorptiometry, Photon
Antioxidants / pharmacology*
Body Weight
Bone Density / drug effects
Bone and Bones / drug effects*
Caloric Restriction / adverse effects*
Malnutrition / complications
Rats, Sprague-Dawley
Stilbenes / pharmacology*
Reg. No./Substance:
0/Antioxidants; 0/Stilbenes; Q369O8926L/resveratrol

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