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https://hdl.handle.net/2440/8595
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dc.contributor.author | Vozzo, R. | - |
dc.contributor.author | Wittert, G. | - |
dc.contributor.author | Horowitz, M. | - |
dc.contributor.author | Morley, J. | - |
dc.contributor.author | Chapman, I. | - |
dc.date.issued | 1999 | - |
dc.identifier.citation | American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, 1999; 276(6):R1562-R1568 | - |
dc.identifier.issn | 0363-6119 | - |
dc.identifier.issn | 1522-1490 | - |
dc.identifier.uri | http://hdl.handle.net/2440/8595 | - |
dc.description.abstract | Animal studies suggest that nitric oxide (NO) may be a physiological regulator of appetite; NO synthase (NOS) inhibition suppresses food intake in rats, mice, and chickens. It is not known whether NO has any effect on appetite in humans. We have usedN G-monomethyl-l-arginine (l-NMMA) andN G-nitro-l-arginine methyl ester (l-NAME), both competitive, nonselective inhibitors of NOS, in two separate studies to evaluate the role of NO in the short-term regulation of appetite in humans. Instudy I, 13 men (18–25 yr) underwent paired studies, in randomized, double-blind fashion, after an overnight fast. l-NMMA (4 mg ⋅ kg−1 ⋅ h−1) or saline (0.9%) was infused intravenously at a rate of 40 ml/h for 1.5 h. In study II, eight men (18–26 yr) underwent three randomized, double-blind studies after an overnight fast. l-NAME (75 or 180 μg ⋅ kg−1 ⋅ h−1) or saline (0.9%) was infused intravenously at a rate of 20 ml/h for 120 min. Hunger and fullness were measured using visual analog scales; blood pressure and heart rate were monitored, and 30 min before the end of the infusion, subjects were offered a cold buffet meal. Total caloric intake and the macronutrient composition of the meal were determined. Both l-NMMA (P = 0.052) andl-NAME (P < 0.05; both doses) decreased heart rate, l-NMMA increased diastolic blood pressure (P < 0.01), and l-NAME increased systolic blood pressure (P = 0.052). Neither drug had any effect on caloric intake or sensations of hunger or fullness. Despite having significant effects on cardiovascular function in the doses used, neitherl-NMMA norl-NAME had any effect on feeding, suggesting that NO does not affect short-term appetite or food intake in humans. | - |
dc.description.statementofresponsibility | Rosalie Vozzo, Gary A. Wittert, Michael Horowitz, John E. Morley, and Ian M. Chapman | - |
dc.language.iso | en | - |
dc.publisher | American Physiological Society | - |
dc.rights | Copyright © 1999 the American Physiological Society | - |
dc.source.uri | http://ajpregu.physiology.org/content/276/6/R1562 | - |
dc.subject | Humans | - |
dc.subject | NG-Nitroarginine Methyl Ester | - |
dc.subject | omega-N-Methylarginine | - |
dc.subject | Enzyme Inhibitors | - |
dc.subject | Double-Blind Method | - |
dc.subject | Hunger | - |
dc.subject | Appetite | - |
dc.subject | Satiety Response | - |
dc.subject | Blood Pressure | - |
dc.subject | Heart Rate | - |
dc.subject | Eating | - |
dc.subject | Adolescent | - |
dc.subject | Adult | - |
dc.subject | Male | - |
dc.subject | Nitric Oxide Synthase | - |
dc.title | Effect of nitric oxide synthase inhibitors on short-term appetite and food intake in humans | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1152/ajpregu.1999.276.6.r1562 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Wittert, G. [0000-0001-6818-6065] | - |
dc.identifier.orcid | Horowitz, M. [0000-0002-0942-0306] | - |
dc.identifier.orcid | Morley, J. [0000-0001-6444-2965] | - |
Appears in Collections: | Aurora harvest Medicine publications |
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