Document Detail


Stimulatory effect of apigenin-6-C-beta-L-fucopyranoside on insulin secretion and glycogen synthesis.
MedLine Citation:
PMID:  19625113     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In vivo and in vitro treatments were carried out to investigate the effects of apigenin-6-C-beta-L-fucopyranoside (1), isolated from Averrhoa carambola L. (Oxalidaceae), on serum glucose and insulin levels in hyperglycemic rats as well as its effect on glycogen synthesis in normal rat soleus muscle. Apigenin-6-C-beta-L-fucopyranoside showed an acute effect on blood glucose lowering in hyperglycemic rats and stimulated glucose-induced insulin secretion. A stimulatory effect of 1 on glycogen synthesis was observed when muscles were incubated with this flavonoid and also its effect was completely nullified by pre-treatment with insulin signal transduction inhibitors. Taking this into account, the MAPK-PP1 and PI3K-GSK3 pathways are involved in the apigenin-6-C-beta-L-fucopyranoside-induced increase in glycogen synthesis in muscle. This study provides evidence for dual effects of apigenin-6-C-beta-L-fucopyranoside as an antihyperglycemic (insulin secretion) as well as an insulinomimetic (glycogen synthesis) agent.
Authors:
Luisa Helena Cazarolli; Poliane Folador; Henrique Hunger Moresco; In??s Maria Costa Brighente; Moacir Geraldo Pizzolatti; F??tima Regina M Barreto Silva
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-07-09
Journal Detail:
Title:  European journal of medicinal chemistry     Volume:  44     ISSN:  1768-3254     ISO Abbreviation:  Eur J Med Chem     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-10-09     Completed Date:  2010-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0420510     Medline TA:  Eur J Med Chem     Country:  France    
Other Details:
Languages:  eng     Pagination:  4668-73     Citation Subset:  IM    
Affiliation:
Departamento de Bioqu??mica, Centro de Ci??ncias Biol??gicas, Universidade Federal de Santa Catarina, Campus Universit??rio, Bairro Trindade, Florian??polis, SC, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Animals
Apigenin / isolation & purification,  therapeutic use*
Ferns / chemistry*
Glycogen / metabolism*
Glycosides / isolation & purification,  therapeutic use*
Hypoglycemic Agents / isolation & purification,  therapeutic use*
Insulin / metabolism*
Male
Muscle, Skeletal / drug effects
Plant Extracts / isolation & purification,  therapeutic use*
Plant Leaves / chemistry
Rats
Rats, Wistar
Chemical
Reg. No./Substance:
0/Glycosides; 0/Hypoglycemic Agents; 0/Plant Extracts; 0/apigenin-6-C-beta-L-fucopyranoside; 11061-68-0/Insulin; 520-36-5/Apigenin; 9005-79-2/Glycogen

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


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