| insulin-like growth factor II | <chemical> A well-characterised neutral peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like and mitogenic activities. The growth factor has a major, but not absolute, dependence on somatotropin. It is believed to be a major foetal growth factor in contrast to insulin-like growth factor I, which is a major growth factor in adults. Chemical name: Insulin-like growth factor II (12 Dec 1998) |
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| insulin-like growth factors | Peptides whose formation is stimulated by growth hormone. These peptides bring about peripheral tissue effects of that hormone and have high (about 70%) homology to human insulin. Synonym: somatomedins. (05 Mar 2000) |
| insulin lipoatrophy | Dystrophic atrophy of subcutaneous tissues in diabetics at the site of frequent injections of insulin. Synonym: insulin lipoatrophy. (05 Mar 2000) |
| insulin lipodystrophy | Dystrophic atrophy of subcutaneous tissues in diabetics at the site of frequent injections of insulin. Synonym: insulin lipoatrophy. (05 Mar 2000) |
| insulin, protamine zinc | <chemical> A long-acting insulin with an approximate time of onset of 7 hours and duration of action 36 hours, consisting of bovine or pork insulin reacted with zinc chloride and protamine to form a protein complex from which insulin is slowly released. Pharmacological action: hypoglycaemic agents. Chemical name: Insulin protamine zinc (12 Dec 1998) |
| insulin pump | A device that delivers a continuous supply of insulin into the body. The insulin flows from the pump through a plastic tube that is connected to a needle inserted into the body and taped in place. Insulin is delivered at two rates: a low, steady rate (called the basal rate) for continuous day-long coverage, and extra boosts of insulin (called bolus doses) to cover meals or when extra insulin is needed. The pump runs on batteries and can be worn clipped to a belt or carried in a pocket. It is used by people with insulin-dependent diabetes. (09 Oct 1997) |
| insulin reaction | A sudden uncontrolled decline in the blood sugar due to effects of insulin. (27 Sep 1997) |
| insulin receptor | Areas on the outer part of a cell that allow the cell to join or bind with insulin that is in the blood. When the cell and insulin bind together, the cell can take glucose (sugar) from the blood and use it for energy. (09 Oct 1997) |
| insulin receptor protein-tyrosine kinase | <enzyme> A catalytic protein-tyrosine kinase domain found on the cytoplasmic beta-portion of the insulin receptor. Registry number: EC 2.7.1.- (12 Dec 1998) |
| insulin receptor substrate-1 protein | <chemical> Amino acid sequence given in first source; a 180 kD protein that contains multiple phosphorylated tyrosine residues after insulin stimulation; human and rat forms (hirs-1 and irs-1) are homologous Synonym: insulin receptor substrate-1-like protein, irs-1 protein, irs-1 gene product, hirs-1 protein, hirs-1 gene product, insulin receptor substrate 1, insulin receptor substrate-1 (05 Dec 1998) |
| insulin resistance | Many people with noninsulin-dependent diabetes produce enough insulin, but their bodies do not respond to the action of insulin. This may happen because the person is overweight and has too many fat cells, which do not respond well to insulin. Also, as people age, their body cells lose some of the ability to respond to insulin. Insulin resistance is also linked to high blood pressure and high levels of fat in the blood. Another kind of insulin resistance may happen in some people who take insulin injections. They may have to take very high doses of insulin every day (200 units or more) to bring their blood glucose (sugar) down to the normal range. (09 Oct 1997) |
| insulin shock | A severe condition that occurs when the level of blood glucose (sugar) drops quickly. The signs are shaking, sweating, dizziness, double vision, convulsions, and collapse. Insulin shock may occur when an insulin reaction is not treated quickly enough. See: hypoglycaemia. (09 Oct 1997) |
| insulin shock treatment | Formerly used treatment for serious mental disorders in which the patient was given insulin to induce a seizure; supplanted by electroshock therapy. (05 Mar 2000) |
| insulin-stimulating peptide | <chemical> 71-amino acid containing peptide; corresponds to residues 115-143 and 144-184 of bovine serum albumin with the exception of a tyrosine insertion between residues 155 and 156; consists of two chains with mw 5000 and 3400 for each chain Synonym: h-isp, insulin-stimulating protein (05 Dec 1998) |
| insulin unit | The activity contained in 1/22 mg of the international standard of zinc-insulin crystals. (05 Mar 2000) |