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Ultralente insulin was a long-acting form of insulin.It has an onset of 4 to 6 hours, a peak of 14 to 24 hours, and a duration of 28 to 36 hours. [1] Ultralente insulin, along with lente insulin, were discontinued in the US by manufacturers in the mid-2000s.
Insulin glargine sold under the brand name Lantus among others is a long-acting modified form of medical insulin, used in the management of type 1 and type 2 diabetes. [7] It is injected just under the skin . [ 7 ]
The cells release the glucose into the bloodstream, increasing blood sugar levels. Hypoglycemia, the state of having low blood sugar, is treated by restoring the blood glucose level to normal by the ingestion or administration of dextrose or carbohydrate foods. It is often self-diagnosed and self-medicated orally by the ingestion of balanced meals.
Some side effects are hypoglycemia (low blood sugar), hypokalemia (low blood potassium), and allergic reactions. [6] Allergy to insulin affected about 2% of people, of which most reactions are not due to the insulin itself but to preservatives added to insulin such as zinc, protamine , and meta-cresol .
The glucose tolerance test was first described in 1923 by Jerome W. Conn. [4]The test was based on the previous work in 1913 by A. T. B. Jacobson in determining that carbohydrate ingestion results in blood glucose fluctuations, [5] and the premise (named the Staub-Traugott Phenomenon after its first observers H. Staub in 1921 and K. Traugott in 1922) that a normal patient fed glucose will ...
Diabetes medications have four main mechanisms of action: [citation needed] Insulin sensitization: Increased sensitivity of insulin receptors on cells leading to decreased insulin resistance, and higher effects of insulin on blood glucose levels. Stimulation of beta cells: This stimulation increases insulin secretion from beta cells of pancreas.
The parameters of the dose response curve reflect measures of potency (such as EC50, IC50, ED50, etc.) and measures of efficacy (such as tissue, cell or population response). A commonly used dose–response curve is the EC 50 curve, the half maximal effective concentration, where the EC 50 point is defined as the inflection point of the curve.
In studies with humans, blood plasma is the only tissue that can be easily sampled. A common procedure is to analyze the dynamics by assuming that changes can be attributed to a sum of exponentials. A single mathematical compartment is usually assumed to follow first-order kinetics in accord with the plateau principle.