{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T21:16:02Z","timestamp":1768511762076,"version":"3.49.0"},"reference-count":48,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2024,7,24]],"date-time":"2024-07-24T00:00:00Z","timestamp":1721779200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["PJT-1665850"],"award-info":[{"award-number":["PJT-1665850"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Fondation de l\u2019Institut universi-taire de cardiologie et de pneumologie de Qu\u00e9bec","award":["PJT-1665850"],"award-info":[{"award-number":["PJT-1665850"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biomolecules"],"abstract":"<jats:p>Heart failure with preserved ejection fraction (HFpEF) is a heterogeneous syndrome characterised by multiple risk factors touching various organs outside the heart. Using a murine HFpEF model, we studied cardiac reverse remodelling (RR) after stopping the causing metabolic-hypertensive stress (MHS; Angiotensin II [AngII] and a high-fat diet [HFD]) after 28 days and introducing voluntary exercise (VE) for four more weeks. We measured the effects of MHS and RR on the plasma and myocardial microRNA (miR) profile (miRNome) to characterise better cardiac and non-cardiac responses to HFpEF-inducing risk factors and their reversibility. AngII alone, the HFD or the MHS caused cardiac hypertrophy (CH), left ventricular (LV) concentric remodelling and left atrial enlargement in females. Only AngII and the MHS, but not HFD, did in males. After RR, CH, LV concentric remodelling and atrial enlargement were normalised. Among the 25 most abundant circulating miRs, 10 were modulated by MHS. Plasma miRNomes from AngII, HFD or MHS mice shared 31 common significantly modulated miRs (24 upregulated and 7 downregulated), suggesting that the response of organs producing the bulk of those circulating miRs was similar even for seemingly different stress. In the LV, 19 out of 25 most expressed miRs were modulated. RR restored normality for the plasma miRNome but not for the LV miRNome, which remained mostly unchanged. Our results suggest that abnormalities persist in the myocardium of the HFpEF mice and that the normalisation of circulatory markers may be falsely reassuring after recovery.<\/jats:p>","DOI":"10.3390\/biom14080892","type":"journal-article","created":{"date-parts":[[2024,7,24]],"date-time":"2024-07-24T15:47:32Z","timestamp":1721836052000},"page":"892","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Plasma and Myocardial miRNomes Similarities and Differences during Cardiac Remodelling and Reverse Remodelling in a Murine Model of Heart Failure with Preserved Ejection Fraction"],"prefix":"10.3390","volume":"14","author":[{"given":"Sara-\u00c8ve","family":"Thibodeau","sequence":"first","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emylie-Ann","family":"Labb\u00e9","sequence":"additional","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c9lisabeth","family":"Walsh-Wilkinson","sequence":"additional","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Audrey","family":"Morin-Grandmont","sequence":"additional","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marie","family":"Arsenault","sequence":"additional","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5409-8689","authenticated-orcid":false,"given":"Jacques","family":"Couet","sequence":"additional","affiliation":[{"name":"Groupe de Recherche sur les Valvulopathies, Institut Universitaire de Cardiologie et de Pneumologie de Qu\u00e9bec, Universit\u00e9 Laval, Quebec City, QC G1V 4G5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2129","DOI":"10.1093\/eurheartj\/ehw128","article-title":"2016 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure: The Task Force for the diagnosis and treatment of acute and chronic heart failure of the European Society of Cardiology (ESC) Developed with the special contribution of the Heart Failure Association (HFA) of the ESC","volume":"37","author":"Ponikowski","year":"2016","journal-title":"Eur. 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