| Aerobic capacity of rats recovered from fetal malnutrition with a fructose-rich diet. | |
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MedLine Citation:
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PMID: 20725115 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The objective of this study was to analyze the aerobic capacity, through the maximal lactate steady-state (MLSS) protocol, of rats subjected to fetal protein malnutrition and recovered with a fructose-rich diet. Pregnant adult Wistar rats that were fed a balanced (17% protein) diet or a low-protein (6% protein) diet were used. After birth, the offspring were distributed into groups according to diet until 60 days of age: balanced (B), balanced diet during the whole experimental period; balanced-fructose (BF), balanced diet until birth and fructose-rich diet (60% fructose) until 60 days; low protein-balanced (LB), low-protein diet until birth and balanced diet until 60 days; and low protein-fructose (LF), low protein diet until birth and fructose-rich diet until 60 days. It was verified that the fructose-rich diet reduced body growth, mainly in the BF group. There was no difference among the groups in the load corresponding to the MLSS (B, 7.5+/-0.5%; BF, 7.4+/-0.6%; LB, 7.7+/-0.4%; and LF, 7.7+/-0.6% relative to body weight). However, the BF group presented higher blood lactate concentrations (4.8+/-0.9 mmol.L(-1)) at 25 min in the load corresponding to the MLSS (B, 3.2+/-0.9 mmol.L(-1); LB, 3.4+/-0.9 mmol.L(-1); and LF, 3.2+/-1.0 mmol.L(-1)). Taken together, these results indicate that the ability of young rats to perform exercise was not altered by intrauterine malnutrition or a fructose-rich diet, although the high fructose intake after the balanced diet in utero increased blood lactate during swimming exercises in rats. |
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Authors:
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Lucieli Teresa Cambri; Rodrigo Augusto Dalia; Carla Ribeiro; Maria Alice Rostom de Mello |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Applied physiology, nutrition, and metabolism = Physiologie appliquée, nutrition et métabolisme Volume: 35 ISSN: 1715-5312 ISO Abbreviation: Appl Physiol Nutr Metab Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-20 Completed Date: 2010-10-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101264333 Medline TA: Appl Physiol Nutr Metab Country: Canada |
Other Details:
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Languages: eng Pagination: 490-7 Citation Subset: IM |
Affiliation:
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Department of Physical Education, São Paulo State University (UNESP), Rio Claro-SP, Brazil. lucambri@yahoo.com.br |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Age Factors Animal Nutritional Physiological Phenomena* Animals Blood Glucose / metabolism Body Weight Diet, Protein-Restricted / adverse effects* Dietary Proteins / blood Dietary Sucrose / administration & dosage* Disease Models, Animal Exercise Tolerance* Female Fetal Nutrition Disorders / diet therapy*, metabolism, physiopathology Glycogen / metabolism Kinetics Lactic Acid / blood Liver / metabolism Male Maternal Nutritional Physiological Phenomena* Pregnancy Prenatal Exposure Delayed Effects* Protein-Energy Malnutrition / diet therapy*, metabolism, physiopathology Rats Rats, Wistar Recovery of Function Serum Albumin / metabolism Swimming |
| Chemical | |
Reg. No./Substance:
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0/Blood Glucose; 0/Dietary Proteins; 0/Dietary Sucrose; 0/Serum Albumin; 50-21-5/Lactic Acid; 9005-79-2/Glycogen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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