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3.
Praxis (Bern 1994) ; 93(1-2): 24-6, 2004 Jan 07.
Artigo em Alemão | MEDLINE | ID: mdl-14964041
9.
Gut ; 44(1): 81-6, 1999 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-9862830

RESUMO

BACKGROUND/AIMS: Studies in animals suggest a physiological role for glucagon-like peptide-1-(7-36)-amide (GLP-1) in regulating satiety. The role of GLP-1 in regulating food intake in man has, however, not been investigated. Subjects-Sixteen healthy male subjects were examined in a double blind placebo controlled fashion. METHODS: The effect of graded intravenous doses (0, 0.375, 0.75, and 1.5 pmol/kg/min) of synthetic human GLP-1 on food intake and feelings of hunger and satiety was tested in healthy volunteers. RESULTS: Graded GLP-1 infusions resulted in a dose dependent reduction in food intake (maximal inhibition 35%, p<0.001 v control) and a similar reduction in calorie intake (32%; p<0.001). Fluid ingestion was also reduced by GLP-1 (18% reduction, p<0.01). No overt side effects were produced by GLP-1, but subjects experienced less hunger and early fullness in the period before a meal during GLP-1 infusion at the highest dose (p<0.05). CONCLUSIONS: Intravenous infusions of GLP-1 decrease spontaneous food intake even at physiological plasma concentrations, implying an important role for GLP-1 in the regulation of the early satiety response in humans.


Assuntos
Ingestão de Alimentos/efeitos dos fármacos , Glucagon/farmacologia , Fragmentos de Peptídeos/farmacologia , Precursores de Proteínas/farmacologia , Adulto , Glicemia/metabolismo , Colecistocinina/sangue , Relação Dose-Resposta a Droga , Método Duplo-Cego , Comportamento Alimentar/efeitos dos fármacos , Glucagon/sangue , Peptídeo 1 Semelhante ao Glucagon , Humanos , Fome/efeitos dos fármacos , Insulina/sangue , Leptina , Masculino , Fragmentos de Peptídeos/sangue , Precursores de Proteínas/sangue , Proteínas/metabolismo
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