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Dictionary » I » Insulin

Insulin

Insulin

(drug, growth factor, hormone) a polypeptide hormone (bovine insulin, 5780D) found in both vertebrates and invertebrates.

Secreted by the _ cells of the pancreas in response to high blood sugar levels, it induces hypoglycaemia. Defective secretion of insulin is the cause of diabetes mellitus. Insulin is also a mitogen, has sequence homologies with other growth factors and is a frequent addition to cell culture media for demanding cell types. hormone secreted by the isles Of Langerhans in the pancreas; regulates storage of glycogen in the liver and accelerates oxidation of sugar in cells.A type of hormone that regulates sugar concentration in blood. Insulin is secreted by the islets Of Langerhans in the pancreas, where when active, promotes the conversion of glucose into its stored form, [[glycogen.


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Insulin signaling

... GI tract to the blood) it can then bind to a receptor on the islets of Langerhans located in the pancreas. This stimulates the islets to produce insulin that is then secreted into the blood and travels thru out the body. Insulin is a ligand for the insulin receptors that are found on the outside ...

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by kolean
Thu Aug 20, 2009 2:58 am
 
Forum: Human Biology
Topic: Insulin signaling
Replies: 1
Views: 58

Insulin signaling

Does insulin floating in the blood signal to the insulin sensitive tissues like muscle and body fat to prepare to absorb glucose OR is it the Islets of Langerhans that give out the signal directly somhow?

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by rturu
Wed Aug 19, 2009 9:41 pm
 
Forum: Human Biology
Topic: Insulin signaling
Replies: 1
Views: 58

efficiency of body cells

... billions of them) - this could be due to simple mutation in some essential gene, after which the cell cannot secrete some essential protein (like insulin for example) but is otherwise viable. However, I haven't heard that there'd be so many of those cells that one could use the words "a decent ...

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by biohazard
Wed Aug 12, 2009 6:52 pm
 
Forum: Cell Biology
Topic: efficiency of body cells
Replies: 7
Views: 196

efficiency of body cells

... cells of type x supposed to do some fucntion y for the body do it. For example not all well-developed cells of the islets-of-langerhans synthesise insulin, not all liver cells secrete bile etc etc I know nothing worthy of mentioning about biology but thought you guys could say if he is right. Thanks.

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by parth88
Wed Aug 12, 2009 1:31 pm
 
Forum: Cell Biology
Topic: efficiency of body cells
Replies: 7
Views: 196

Stomach bloating and weight gain

... meat with its cholesterol derivatives), different reactions begin different cascades thru out the body. Even the immune system gets involved. Insulin is a hormone that needs to be delivered to the place where it can do the most good. The body specifically makes the insulin in the beta cells ...

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by kolean
Mon Jul 20, 2009 10:43 pm
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 299
Views: 483285
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