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Insulin is a peptide hormone containing two chains cross-linked by disulfide bridges. Insulin (/ ˈ ɪ n. sj ʊ. l ɪ n /, [5] [6] from Latin insula, 'island') is a peptide hormone produced by beta cells of the pancreatic islets encoded in humans by the insulin (INS) gene. It is the main anabolic hormone of the body. [7]
Insulin was first used as a medication in Canada by Charles Best and Frederick Banting in 1922. [85] [86] This is a chronology of key milestones in the history of the medical use of insulin. For more details on the discovery, extraction, purification, clinical use, and synthesis of insulin, see Insulin
Regular insulin, also known as neutral insulin and soluble insulin, is a type of short-acting medical insulin. [2] It is used to treat type 1 diabetes , type 2 diabetes , gestational diabetes , and complications of diabetes such as diabetic ketoacidosis and hyperosmolar hyperglycemic states . [ 5 ]
Drugs used in diabetes treat diabetes mellitus by decreasing glucose levels in the blood.With the exception of insulin, most GLP-1 receptor agonists (liraglutide, exenatide, and others), and pramlintide, all diabetes medications are administered orally and are thus called oral hypoglycemic agents or oral antihyperglycemic agents.
The fluctuation of blood sugar (red) and the sugar-lowering hormone insulin (blue) in humans during the course of a day with three meals. One of the effects of a sugar-rich vs a starch-rich meal is highlighted. [1] The blood sugar level, blood sugar concentration, blood glucose level, or glycemia is the measure of glucose concentrated in the blood.
The first cost-effectiveness analysis of this nature was conducted from a societal perspective in the Swedish setting in 2013, finding that insulin degludec would be cost-effective relative to insulin glargine in the treatment of type 1 diabetes, and type 2 diabetes as part of either a basal or basal-insulin regimen. [28]
For type 1 diabetics, there will always be a need for insulin injections throughout their life, as the pancreatic beta cells of a type 1 diabetic are not capable of producing sufficient insulin. [32] Insulin can not be taken orally because insulin is a hormone and is destroyed by the digestive track.
Prediabetes –; Main types of diabetes: Type 1 diabetes – disease that results in autoimmune destruction of insulin-producing beta cells of the pancreas. [4]Type 2 diabetes – metabolic disorder that is characterized by high blood glucose in the context of insulin resistance and relative insulin deficiency.