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Production Assistant, Diabetes In Control

International Textbook of Diabetes Mellitus, 4th Ed., Excerpt #45: Neuropeptides and Islet Hormone Secretion Part 4 of 5

Sympathetic effects and mediation: Sympathetic nerves inhibit insulin and stimulate glucagon secretion. Their activation may help mediate stress-induced changes in islet hormone secretion including the glucagon counterregulatory response to hypoglycemia.These effects may be mediated by the combination of the classical neurotransmitter noradrenaline and the sympathetic neuropeptides (galanin and NPY). All three neurotransmitters can inhibit insulin and stimulate glucagon secretion, thus mimicking the effects of sympathetic activation on islet hormone secretion. In addition, galanin and NPY meet several other of the criteria needed to be classified as a physiologic neurotransmitter.

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Question #854

Test Your Knowledge

Please select the drug class that best fits the description. This shorter-acting insulin secretagogue may be associated with less hypoglycemia than the other secretagogues. 1. Biguanides 2. Sulfonylureas 3. Meglitinides 4. Thiazolidinediones Did you get it right? Follow the link to check your answer.

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Aggressive Prediabetes Treatment

Should we be more aggressive for people with prediabetes and use more of the drugs we have available, rather than waiting until they progress to diabetes? Follow the link to share your opinion!

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