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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
9
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pubmed:dateCreated |
1995-5-10
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pubmed:abstractText |
The frequency of antibodies to glutamic acid decarboxylase (GAD) and insulin (IAA) in presymptomatic Type 1 diabetes mellitus with a positive test for antibodies to islet cell antigen (ICA) was examined. Thirty-two persons positive for ICA (> 10 JDF units) were tested 2 to 48 months before their ascertained onset of Type 1 diabetes. ICA was quantitated by immunofluorescence as JDF units, anti-GAD by radioimmunoprecipitation and anti-insulin by radioimmunoassay. There was a positive test for anti-GAD in 25 (78%), and for IAA in 23 (72%), of the 32 prediabetic ICA-positive subjects. Stratification according to age at the onset of diabetes showed differing frequencies of anti-GAD and IAA in the prediabetic stage. Thus the positivity rate for anti-GAD for 18 subjects older than 10 years at onset of diabetes was 83%, and for 14 aged 10 or younger at onset was 71%; conversely, the rate for IAA for 18 subjects older than 10 at onset was 56% and for 14 aged 10 or less at time of onset was 93% (p = 0.01). The frequency of anti-GAD was higher in females (88%) than males (71%) whereas the frequency of IAA was higher in males (82%) than in females (60%). Since autoantibodies to GAD and insulin occur in presymptomatic Type 1 diabetes with differences in frequencies by age and gender, the stimuli to autoimmunity may operate differently at different ages, and may also be gender-related.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0742-3071
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
11
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
866-71
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7705024-Adolescent,
pubmed-meshheading:7705024-Adult,
pubmed-meshheading:7705024-Age Distribution,
pubmed-meshheading:7705024-Age of Onset,
pubmed-meshheading:7705024-Autoantibodies,
pubmed-meshheading:7705024-Child,
pubmed-meshheading:7705024-Child, Preschool,
pubmed-meshheading:7705024-Diabetes Mellitus, Type 1,
pubmed-meshheading:7705024-Female,
pubmed-meshheading:7705024-Glutamate Decarboxylase,
pubmed-meshheading:7705024-Humans,
pubmed-meshheading:7705024-Insulin Antibodies,
pubmed-meshheading:7705024-Islets of Langerhans,
pubmed-meshheading:7705024-Male,
pubmed-meshheading:7705024-Middle Aged,
pubmed-meshheading:7705024-Predictive Value of Tests,
pubmed-meshheading:7705024-Sex Distribution
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pubmed:year |
1994
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pubmed:articleTitle |
Autoantibodies to glutamic acid decarboxylase and insulin in islet cell antibody positive presymptomatic type 1 diabetes mellitus: frequency and segregation by age and gender.
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pubmed:affiliation |
International Diabetes Institute, Caulfield General Medical Centre, Victoria, Australia.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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