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The Level of Autoantibodies Targeting Eukaryote Translation Elongation Factor 1 α1 and Ubiquitin-Conjugating Enzyme 2L3 in Nondiabetic Young Adults
Diabetes & Metabolism Journal ; : 154-160, 2016.
Article in English | WPRIM | ID: wpr-15196
ABSTRACT

BACKGROUND:

The prevalence of novel type 1 diabetes mellitus (T1DM) antibodies targeting eukaryote translation elongation factor 1 alpha 1 autoantibody (EEF1A1-AAb) and ubiquitin-conjugating enzyme 2L3 autoantibody (UBE2L3-AAb) has been shown to be negatively correlated with age in T1DM subjects. Therefore, we aimed to investigate whether age affects the levels of these two antibodies in nondiabetic subjects.

METHODS:

EEF1A1-AAb and UBE2L3-AAb levels in nondiabetic control subjects (n=150) and T1DM subjects (n=101) in various ranges of age (18 to 69 years) were measured using an enzyme-linked immunosorbent assay. The cutoff point for the presence of each autoantibody was determined based on control subjects using the formula [mean absorbance+3×standard deviation].

RESULTS:

In nondiabetic subjects, there were no significant correlations between age and EEF1A1-AAb and UBE2L3-AAb levels. However, there was wide variation in EEF1A1-AAb and UBE2L3-AAb levels among control subjects <40 years old; the prevalence of both EEF1A1-AAb and UBE2L3-AAb in these subjects was 4.4%. When using cutoff points determined from the control subjects <40 years old, the prevalence of both autoantibodies in T1DM subjects was decreased (EEFA1-AAb, 15.8% to 8.9%; UBE2L3-AAb, 10.9% to 7.9%) when compared to the prevalence using the cutoff derived from the totals for control subjects.

CONCLUSION:

There was no association between age and EEF1A1-AAb or UBE2L3-AAb levels in nondiabetic subjects. However, the wide variation in EEF1A1-AAb and UBE2L3-AAb levels apparent among the control subjects <40 years old should be taken into consideration when determining the cutoff reference range for the diagnosis of T1DM.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Reference Values / Autoantibodies / Enzyme-Linked Immunosorbent Assay / Peptide Elongation Factors / Prevalence / Peptide Elongation Factor 1 / Diabetes Mellitus, Type 1 / Diagnosis / Eukaryota / Antibodies Type of study: Diagnostic study / Prevalence study Limits: Humans Language: English Journal: Diabetes & Metabolism Journal Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Reference Values / Autoantibodies / Enzyme-Linked Immunosorbent Assay / Peptide Elongation Factors / Prevalence / Peptide Elongation Factor 1 / Diabetes Mellitus, Type 1 / Diagnosis / Eukaryota / Antibodies Type of study: Diagnostic study / Prevalence study Limits: Humans Language: English Journal: Diabetes & Metabolism Journal Year: 2016 Type: Article