| The influence of dietary protein deficiency on the performance of isolated muscle preparations from the rat left ventricle. | |
| | |
MedLine Citation:
|
PMID: 4073116 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
The contractile performance of isolated muscle preparations from the left ventricle of rats receiving a 3% casein protein deficient diet for two to three weeks was compared with the performance of muscle preparations from animals receiving a normal diet. The right and left ventricular weights from protein deficient animals were significantly decreased, but left ventricle/body weight and right ventricular/body weight ratios did not differ from control animals. The performance of the isolated muscle preparations revealed no differences in the following parameters measured at the apex of the length tension curve: peak active tension, resting tension, maximum rate of tension development and time to peak tension. RT1/2, an index of relaxation, and maximum rate of tension decline indicated relaxation rate was increased in preparations from protein deficient animals. We conclude that, while a protein deficient diet of two to three weeks duration results in proportionate decreases in body and cardiac chamber weight in comparison to control animals, no evidence for impaired contractile activity is seen. |
| | |
Authors:
|
O H Bing; B L Fanburg |
Related Documents
:
|
20580166 - Effect of protein-xanthophylls (px) concentrate of alfalfa supplementation on physico-c... 18237456 - Dietary protein modulates circadian changes in core body temperature and metabolic rate... 19345266 - The effect of euglena viridis on immune response of rohu, labeo rohita (ham.). 15542926 - Fish protein stimulated the fibrinolysis in rats. 819636 - Plasma adrenocorticosteroid levels in protein and energy restricted pigs. 11780396 - Apolipoprotein e polymorphism in the early onset of coronary heart disease. |
Publication Detail:
|
Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
|
Title: The American journal of the medical sciences Volume: 290 ISSN: 0002-9629 ISO Abbreviation: Am. J. Med. Sci. Publication Date: 1985 Nov |
Date Detail:
|
Created Date: 1986-01-14 Completed Date: 1986-01-14 Revised Date: 2007-11-14 |
Medline Journal Info:
|
Nlm Unique ID: 0370506 Medline TA: Am J Med Sci Country: UNITED STATES |
Other Details:
|
Languages: eng Pagination: 192-5 Citation Subset: AIM; IM |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Animals Body Weight Dietary Proteins / administration & dosage Heart Ventricles Myocardial Contraction* Myocardium / pathology Protein Deficiency / pathology, physiopathology* Rats Rats, Inbred Strains |
| Grant Support | |
ID/Acronym/Agency:
|
HL-00072/HL/NHLBI NIH HHS; HL-20552/HL/NHLBI NIH HHS; HL-26671/HL/NHLBI NIH HHS |
| Chemical | |
Reg. No./Substance:
|
0/Dietary Proteins |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Pulmonary thromboembolic disease--diagnosis, management and prevention.
Next Document: Refractory biventricular heart failure in secondary hemochromatosis.