Title : Response to intravenous injections of amylin and glucagon in fasted, fed, and hypoglycemic rats.

Pub. Date : 1993 Jun

PMID : 8333519






5 Functional Relationships(s)
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1 Amylin elicited a marked increase in plasma lactate, as previously reported, whereas glucagon did not alter plasma lactate. Lactic Acid islet amyloid polypeptide Rattus norvegicus
2 In fed animals, glucagon elicited twice as much increase in plasma glucose as did amylin; amylin again elicited a marked lactate increase that was greater (increment 1.45 vs. 0.97 mM, P < 0.05) and more prolonged than in the fasted state, whereas glucagon was without effect on lactate levels. Lactic Acid islet amyloid polypeptide Rattus norvegicus
3 In fed animals, glucagon elicited twice as much increase in plasma glucose as did amylin; amylin again elicited a marked lactate increase that was greater (increment 1.45 vs. 0.97 mM, P < 0.05) and more prolonged than in the fasted state, whereas glucagon was without effect on lactate levels. Lactic Acid islet amyloid polypeptide Rattus norvegicus
4 These findings are consistent with glucagon"s known action to promote hyperglycemia from hepatic glycogenolysis and amylin"s demonstrated action to promote muscle glycogenolysis and increase lactate supply to the liver. Lactic Acid islet amyloid polypeptide Rattus norvegicus
5 Thus increased lactate supply to the liver may account for amylin"s hyperglycemic effects. Lactic Acid islet amyloid polypeptide Rattus norvegicus