A factor, usually an antibody, that antagonizes the action of insulin.
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After excluding the above causes, antiinsulin antibodies (IAs) were considered, in view of the raised insulin concentration during episodes of hypoglycemia.
3] Nonstandard abbreviations: DM, diabetes mellitus; Hb A1c, glycated hemoglobin; IA, antiinsulin antibodies; PEG, polyethylene glycol.
Early expression of antiinsulin autoantibodies of humans and the NOD mouse: evidence for early determination of subse quent diabetes.
Insulin derived from the pancreases of pigs and cows was initially used but elicited immune responses, with antiinsulin antibodies, in many patients.
The development of antiinsulin monoclonal antibodies in the early 1980s (8) led to the introduction of 2-site immunometric assays (IMAs) requiring antibodies in excess.
Each binding reaction (total volume, 400 [micro]L) was performed in 12 X 75 mm polypropylene tube and consisted of 100 [micro]L of radioiodinated insulin lispro tracer (50 pg/tube),100 [micro]L of antiinsulin lispro antiserum (diluted 1:10 000), and 200 [micro]L of human serum or polyethylene glycol-treated serum (12).