The production and characteristics of anti-insulin, anti-A-component and anti-proinsulin antibodies in patients treated with monocomponent or conventional insulin. 1979

S Kawazu, and Y Kanazawa, and E Miki, and M Hayashi, and H Sando, and H Kajinuma, and Y Iwamoto, and Y Akanuma, and K Kosaka

Highly purified pork monocomponent insulin produced less anti-insulin antibody than conventional insulins in diabetic patients. The smaller amount of anti-insulin antibody produced by MC insulin bound pork insulin more strongly than beef insulin in both displacement and direct binding studies of 125I-insulin. On the contrary, anti-insulin antibody which was produced by conventional insulins (beef insulin or mixture of pork and beef insulin) bound beef insulin more strongly. No significant anti-a-component and anti-proinsulin antibodies were detected in diabetics treated with highly purified monocomponent pork insulin about two years, compared to significant production of these antibodies in diabetics treated with conventional insulins. These results suggest that the species difference of the insulin molecule itself plays a significant role for the production of anti-insulin antibody, as the impurities do, in insulin-treated diabetic patients. The production of anti-insulin and anti-a-component antibodies decreased clearly after switching to highly purified monocomponent from conventional insulin. No effect of the switching on insulin requirement was found; however, better control of diabetes was accomplished in relation to the level of fasting blood sugar.

UI MeSH Term Description Entries
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D007330 Insulin Antibodies Antibodies specific to INSULIN. Antibodies, Insulin
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011384 Proinsulin A pancreatic polypeptide of about 110 amino acids, depending on the species, that is the precursor of insulin. Proinsulin, produced by the PANCREATIC BETA CELLS, is comprised sequentially of the N-terminal B-chain, the proteolytically removable connecting C-peptide, and the C-terminal A-chain. It also contains three disulfide bonds, two between A-chain and B-chain. After cleavage at two locations, insulin and C-peptide are the secreted products. Intact proinsulin with low bioactivity also is secreted in small amounts.
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.

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