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Pancreatic beta cell function (synonyms G β or, if calculated from fasting concentrations of insulin and glucose, HOMA-Beta or SPINA-GBeta) is one of the preconditions of euglycaemia, i.e. normal blood sugar regulation. It is defined as insulin secretory capacity, i.e. the maximum amount of insulin to be produced by beta cells in a given unit ...
Type 2 diabetes, also known as non insulin dependent diabetes and as chronic hyperglycemia, is caused primarily by genetics and the development of metabolic syndrome. [ 2 ] [ 9 ] The beta cells can still secrete insulin but the body has developed a resistance and its response to insulin has declined. [ 4 ]
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 December 2024. Group of endocrine diseases characterized by high blood sugar levels This article is about the common insulin disorder. For the urine hyper-production disorder, see Diabetes insipidus. For other uses, see Diabetes (disambiguation). Medical condition Diabetes mellitus Universal blue ...
The insulin sensitivity is determined by the rate of glucose infusion during the last thirty minutes of the test. If high levels (7.5 mg/min or higher) are needed, the patient is considered insulin-sensitive. Conversely, very low levels (4.0 mg/min or lower) indicate insulin resistance.
Normally, the pancreas produces insulin in response to high glucose levels in the body to bring the BG levels down. 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 is produced by the pancreas in a region called islets of Langerhans. In the islets of Langerhans, there are beta-cells, which are responsible for production and storage of insulin. Insulin is secreted as a response mechanism for counteracting the increasing excess amounts of glucose in the blood.
The pancreas maintains constant blood glucose levels (shown as the waving line). When the blood glucose level is too high, the pancreas secretes insulin and when the level is too low, the pancreas secretes glucagon. Cells within the pancreas help to maintain blood glucose levels (homeostasis). The cells that do this are located within the ...
Type 2 diabetes is a progressive condition in which the body becomes resistant to the normal effects of insulin and/or gradually loses the capacity to produce enough insulin in the pancreas. [2] Pre-diabetes means that the blood sugar level is higher than normal but not yet high enough to be type 2 diabetes. [3] Gestational diabetes is a ...