{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T06:00:16Z","timestamp":1772172016072,"version":"3.50.1"},"reference-count":57,"publisher":"Wiley","issue":"13","license":[{"start":{"date-parts":[[2017,5,24]],"date-time":"2017-05-24T00:00:00Z","timestamp":1495584000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","award":["03656"],"award-info":[{"award-number":["03656"]}],"id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Physiology"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:sec><jats:title>Key points<\/jats:title><jats:p><jats:list list-type=\"bullet\">\n<jats:list-item><jats:p>\u03b1\u2010linolenic acid (ALA) and exercise training both attenuate hyperlipidaemia\u2010related cardiovascular derangements, however, there is a paucity of information pertaining to their mechanisms of action when combined.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>We investigated both the independent and combined effects of exercise training and ALA consumption in obese Zucker rats, aiming to determine the potential for additive improvements in cardiovascular function.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>ALA and exercise training independently improved cardiac output, end\u2010diastolic volume, left ventricular fibrosis and mean blood pressure following a 4 week intervention.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>Combining ALA and endurance exercise yielded greater improvements in these parameters, independent of changes in markers of oxidative stress or endogenous anti\u2010oxidants.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>We postulate that divergent mechanisms of action may explain these changes: ALA increases peripheral vasodilation, and exercise training stimulates angiogenesis.<\/jats:p><\/jats:list-item>\n<\/jats:list><\/jats:p><\/jats:sec><jats:sec><jats:title>Abstract<\/jats:title><jats:p>Although \u03b1\u2010linolenic acid (ALA) and endurance exercise training independently attenuate hyperlipidaemia\u2010related cardiovascular derangements, there is a paucity of information pertaining to their mechanisms of action and efficacy when combined as a preventative therapeutic approach. Therefore, we used obese Zucker rats to investigate the independent and combined effects of these interventions on cardiovascular disease. Specifically, animals were randomly assigned to one of the following groups: control diet\u2010sedentary, ALA supplemented\u2010sedentary, control diet\u2010exercise trained or ALA supplemented\u2010exercise trained. Following a 4\u00a0week intervention, although the independent and combined effects of ALA and exercise reduced (<jats:italic>P\u00a0&lt;\u00a0<\/jats:italic>0.05) the serum free\/esterified cholesterol ratio, only the ALA supplemented\u2010exercise trained animals displayed a reduction in the content of both serum free and esterified cholesterol. Moreover, although ALA and endurance training individually increased cardiac output, stroke volume and end\u2010diastolic volume, as well as reduced left ventricle fibrosis, mean blood pressure and total peripheral resistance, these responses were all greater following the combined intervention (ALA supplemented\u2010exercise trained). These effects occurred independent of changes in oxidative phosphorylation proteins, markers of oxidative stress or endogenous anti\u2010oxidant capacity. We propose that the beneficial effects of a combined intervention occur as a result of divergent mechanisms of action elicited by ALA and endurance exercise because only exercise training increased the capillary content in the left ventricle and skeletal muscle, and tended to decrease protein carbonylation in the left ventricle (<jats:italic>P\u00a0=\u00a0<\/jats:italic>0.06). Taken together, our data indicate that combining ALA and endurance exercise provides additional improvements in cardiovascular disease risk reduction compared to singular interventions in the obese Zucker rat.<\/jats:p><\/jats:sec>","DOI":"10.1113\/jp274036","type":"journal-article","created":{"date-parts":[[2017,3,27]],"date-time":"2017-03-27T12:56:56Z","timestamp":1490619416000},"page":"4351-4364","source":"Crossref","is-referenced-by-count":20,"title":["\u03b1\u2010Linolenic acid and exercise training independently, and additively, decrease blood pressure and prevent diastolic dysfunction in obese Zucker rats"],"prefix":"10.1113","volume":"595","author":[{"given":"Pierre\u2010Andre","family":"Barbeau","sequence":"first","affiliation":[{"name":"Human Health &amp; Nutritional Sciences University of Guelph  Guelph Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tanya M.","family":"Holloway","sequence":"additional","affiliation":[{"name":"Human Health &amp; Nutritional Sciences University of Guelph  Guelph Ontario Canada"},{"name":"NUTRIM School of Nutrition and Translational Research in Metabolism Maastricht University Medical Centre+  The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jamie","family":"Whitfield","sequence":"additional","affiliation":[{"name":"Human Health &amp; Nutritional Sciences University of Guelph  Guelph Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brittany L.","family":"Baechler","sequence":"additional","affiliation":[{"name":"Department of Kinesiology University of Waterloo  Waterloo Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joe","family":"Quadrilatero","sequence":"additional","affiliation":[{"name":"Department of Kinesiology University of Waterloo  Waterloo Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luc J. 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