Document Detail


Impaired insulin sensitivity and secretion in normoglycemic patients with spinocerebellar ataxia type 1.
MedLine Citation:
PMID:  20669273     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We have recently shown an impairment in insulin sensitivity and insulin secretion in normoglycemic patients with Huntington disease (HD). To investigate whether such observations are HD-specific or may be common to other polyglutamine diseases, glucose homeostasis was studied in 12 unrelated, untreated normoglycemic patients with spinocerebellar ataxia type 1 (SCA1), another entity from the family of polyglutamine diseases, and 24 healthy, matched controls. Metabolic investigations included (a) glucose tolerance assessment on the basis of glucose curve during oral glucose challenge; (b) insulin sensitivity assessment by the homeostasis model assessment (HOMA) and the euglycemic insulin clamp (M value); and (c) insulin secretion by acute insulin response (AIR) and insulinogenic index. The evaluation of insulin sensitivity demonstrated higher HOMA-insulin resistance indices, and lower M values (P < 0.001 and P < 0.05, respectively), while both the AIR and the insulinogenic index were lower in patients with SCA1 compared to controls (P < 0.001 and P < 0.05, respectively). Our data suggested an impairment in insulin secretion capacity, as well as simultaneous decrease in insulin sensitivity, with an increase in insulin resistance level in patients with SCA1.
Authors:
Nebojsa M Lalić; Natasa Dragasević; Elka Stefanova; Aleksandra Jotić; Katarina Lalić; Tanja Milicić; Igor Petrović; Marija Maćesić; Vladimir S Kostić
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Movement disorders : official journal of the Movement Disorder Society     Volume:  25     ISSN:  1531-8257     ISO Abbreviation:  Mov. Disord.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-14     Completed Date:  2010-12-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610688     Medline TA:  Mov Disord     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1976-80     Citation Subset:  IM    
Copyright Information:
© 2010 Movement Disorder Society.
Affiliation:
Clinical Center of Serbia, Institute for Endocrinology, Diabetes and Metabolic Diseases, Belgrade, Serbia.
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MeSH Terms
Descriptor/Qualifier:
Blood Glucose / metabolism
Cholesterol, LDL / blood
Glucose Clamp Technique
Glucose Tolerance Test
Humans
Insulin / metabolism*,  secretion*
Insulin Resistance*
Spinocerebellar Ataxias / metabolism*
Chemical
Reg. No./Substance:
0/Blood Glucose; 0/Cholesterol, LDL; 11061-68-0/Insulin

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


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