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Fuzi-lizhong Pill compensates hypothyroid-hypothermia via ghrelin release.
MedLine Citation:
PMID:  23920247     Owner:  NLM     Status:  Publisher    
ETHNOPHARMACOLOGICAL RELEVANCE: Fuzi-Lizhong pill (FLZ) is a traditional Chinese medicine for treating patients with Spleen Yang deficient syndrome. Ghrelin, a peptide with 28 amino acid residues, plays multiple roles in thermogenesis. This study aims to explore FLZ regulating ghrelin to compensate hypothermia in rats with hypothyroid and indigestion.
MATERIALS AND METHODS: In litter-matched rats, hypothermia was developed with both thyroidectomy at d1 and interscapular brown adipose (IBA) removal at d42, indigestion was induced with both high fat diet and fasting-feeding cycle from d56; the littermates with hypothermia and indigestion were administrated with FLZ from d70. Adaptive thermogenesis, thyroid hormones, metabolites, ghrelin dynamics were measured at d98.
RESULTS: The results showed that plasma ghrelin levels were inversely correlated with the gastric ghrelin levels and adaptive thermogenesis in rats undergone both thyroidectomy and IBA removal. Fatty diet and FLZ enhanced the increase of plasma ghrelin of hypothyroid rats. These were supported by the changes of plasma thyroid related hormones, plasma metabolites, gastric ghrelin mRNA and protein, and the effects of fatty diet or FLZ.
CONCLUSIONS: Our results suggest that more ghrelin release compensate chronic hypothermia in rats with both hypothyroidism and indigestion. It could explain the mechanisms of FLZ in relieving chronic hypothermia.
Xin Zhao; Shijun Yang; Wentong Zhang; Chengzhe Zu; Binghua Tang; Baochun Zhang; Guozhang Li; Lin Su; Dayong Cai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-3
Journal Detail:
Title:  Journal of ethnopharmacology     Volume:  -     ISSN:  1872-7573     ISO Abbreviation:  J Ethnopharmacol     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7903310     Medline TA:  J Ethnopharmacol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.
Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China.
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