{"data":{"id":"10.6084/m9.figshare.20846949","type":"dois","attributes":{"doi":"10.6084/m9.figshare.20846949","prefix":"10.6084","suffix":"m9.figshare.20846949","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Soares, Leôncio Lopes","givenName":"Leôncio Lopes","familyName":"Soares","affiliation":[],"nameIdentifiers":[]},{"name":"Leite, Luciano Bernardes","givenName":"Luciano Bernardes","familyName":"Leite","affiliation":[],"nameIdentifiers":[]},{"name":"Ervilha, Luiz Otávio Guimarães","givenName":"Luiz Otávio Guimarães","familyName":"Ervilha","affiliation":[],"nameIdentifiers":[]},{"name":"Silva, Bruna Aparecida Fonseca da","givenName":"Bruna Aparecida Fonseca da","familyName":"Silva","affiliation":[],"nameIdentifiers":[]},{"name":"Freitas, Maíra Oliveira de","givenName":"Maíra Oliveira de","familyName":"Freitas","affiliation":[],"nameIdentifiers":[]},{"name":"Portes, Alexandre Martins Oliveira","givenName":"Alexandre Martins Oliveira","familyName":"Portes","affiliation":[],"nameIdentifiers":[]},{"name":"Rezende, Leonardo Mateus Teixeira","givenName":"Leonardo Mateus Teixeira","familyName":"Rezende","affiliation":[],"nameIdentifiers":[]},{"name":"Drummond, Filipe Rios","givenName":"Filipe Rios","familyName":"Drummond","affiliation":[],"nameIdentifiers":[]},{"name":"Carneiro-Júnior, Miguel Araújo","givenName":"Miguel Araújo","familyName":"Carneiro-Júnior","affiliation":[],"nameIdentifiers":[]},{"name":"Neves, Mariana Machado","givenName":"Mariana Machado","familyName":"Neves","affiliation":[],"nameIdentifiers":[]},{"name":"Reis, Emily Correna Carlo","givenName":"Emily Correna Carlo","familyName":"Reis","affiliation":[],"nameIdentifiers":[]},{"name":"Natali, Antônio José","givenName":"Antônio José","familyName":"Natali","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Resistance Exercise Training Mitigates Left Ventricular Dysfunctions in Pulmonary Artery Hypertension Model"}],"publisher":"SciELO journals","container":{},"publicationYear":2022,"subjects":[{"subject":"Cardiology"}],"contributors":[],"dates":[{"date":"2022-09-03","dateType":"Created"},{"date":"2022-09-03","dateType":"Updated"},{"date":"2022","dateType":"Issued"}],"language":null,"types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.36660/abc.20210681","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":["40258938 Bytes"],"formats":[],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"Abstract Background The right ventricular hypertrophy and dilation observed in pulmonary artery hypertension (PAH) damages the left ventricle (LV) dynamics by flattening the interventricular septum. Objective To investigate whether low- to moderate-intensity resistance exercise training (RT) is beneficial to LV and cardiomyocyte contractile functions in rats during the development of monocrotaline (MCT)-induced PAH. Methods Male Wistar rats (Body weight: ~ 200 g) were used. To assess the time to potential heart failure onset (i.e., end point), rats were divided into sedentary hypertension until failure (SHF, n=6) and exercise hypertension until failure (EHF, n=6) groups. To test RT effects, rats were divided into sedentary control (SC, n = 7), sedentary hypertension (SH, n=7), and exercise hypertension (EH, n=7) groups. PAH was induced by two MCT injections (20 mg/kg, with 7 days interval). Exercise groups were submitted to an RT protocol (Ladder climbing; 55-65% of carrying maximal load), 5 times/week. Statistical significance was assumed at P \u0026lt; 0.05. Results RT prolonged the end point (~25 %), enhanced the physical effort tolerance (~ 55%), and mitigated the LV and cardiomyocyte contractility dysfunctions promoted by MCT by preserving the ejection fraction and fractional shortening, the amplitude of shortening, and the velocities of contraction and relaxation in cardiomyocytes. RT also prevented increases in left ventricle fibrosis and type I collagen caused by MCT, and maintained the type III collagen and myocyte dimensions reduced by MCT. Conclusion Low- to moderate-intensity RT benefits LV and cardiomyocyte contractile functions in rats during the development of MCT-induced PAH.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[],"xml":"PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHJlc291cmNlIHhtbG5zPSJodHRwOi8vZGF0YWNpdGUub3JnL3NjaGVtYS9rZXJuZWwtNCIgeG1sbnM6eHNpPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxL1hNTFNjaGVtYS1pbnN0YW5jZSIgeHNpOnNjaGVtYUxvY2F0aW9uPSJodHRwOi8vZGF0YWNpdGUub3JnL3NjaGVtYS9rZXJuZWwtNCBodHRwOi8vc2NoZW1hLmRhdGFjaXRlLm9yZy9tZXRhL2tlcm5lbC00LjQvbWV0YWRhdGEueHNkIj4KICA8aWRlbnRpZmllciBpZGVudGlmaWVyVHlwZT0iRE9JIj4xMC42MDg0L005LkZJR1NIQVJFLjIwODQ2OTQ5PC9pZGVudGlmaWVyPgogIDxjcmVhdG9ycz4KICAgIDxjcmVhdG9yPgogICAgICA8Y3JlYXRvck5hbWU+TGXDtG5jaW8gTG9wZXMgU29hcmVzPC9jcmVhdG9yTmFtZT4KICAgICAgPGdpdmVuTmFtZT5MZcO0bmNpbyBMb3BlczwvZ2l2ZW5OYW1lPgogICAgICA8ZmFtaWx5TmFtZT5Tb2FyZXM8L2ZhbWlseU5hbWU+CiAgICA8L2NyZWF0b3I+CiAgICA8Y3JlYXRvcj4KICAgICAgPGNyZWF0b3JOYW1lPkx1Y2lhbm8gQmVybmFyZGVzIExlaXRlPC9jcmVhdG9yTmFtZT4KICAgICAgPGdpdmVuTmFtZT5MdWNpYW5vIEJlcm5hcmRlczwvZ2l2ZW5OYW1lPgogICAgICA8ZmFtaWx5TmFtZT5MZWl0ZTwvZmFtaWx5TmFtZT4KICAgIDwvY3JlYXRvcj4KICAgIDxjcmVhdG9yPgogICAgICA8Y3JlYXRvck5hbWU+THVpeiBPdMOhdmlvIEd1aW1hcsOjZXMgRXJ2aWxoYTwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+THVpeiBPdMOhdmlvIEd1aW1hcsOjZXM8L2dpdmVuTmFtZT4KICAgICAgPGZhbWlseU5hbWU+RXJ2aWxoYTwvZmFtaWx5TmFtZT4KICAgIDwvY3JlYXRvcj4KICAgIDxjcmVhdG9yPgogICAgICA8Y3JlYXRvck5hbWU+QnJ1bmEgQXBhcmVjaWRhIEZvbnNlY2EgZGEgU2lsdmE8L2NyZWF0b3JOYW1lPgogICAgICA8Z2l2ZW5OYW1lPkJydW5hIEFwYXJlY2lkYSBGb25zZWNhIGRhPC9naXZlbk5hbWU+CiAgICAgIDxmYW1pbHlOYW1lPlNpbHZhPC9mYW1pbHlOYW1lPgogICAgPC9jcmVhdG9yPgogICAgPGNyZWF0b3I+CiAgICAgIDxjcmVhdG9yTmFtZT5NYcOtcmEgT2xpdmVpcmEgZGUgRnJlaXRhczwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+TWHDrXJhIE9saXZlaXJhIGRlPC9naXZlbk5hbWU+CiAgICAgIDxmYW1pbHlOYW1lPkZyZWl0YXM8L2ZhbWlseU5hbWU+CiAgICA8L2NyZWF0b3I+CiAgICA8Y3JlYXRvcj4KICAgICAgPGNyZWF0b3JOYW1lPkFsZXhhbmRyZSBNYXJ0aW5zIE9saXZlaXJhIFBvcnRlczwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+QWxleGFuZHJlIE1hcnRpbnMgT2xpdmVpcmE8L2dpdmVuTmFtZT4KICAgICAgPGZhbWlseU5hbWU+UG9ydGVzPC9mYW1pbHlOYW1lPgogICAgPC9jcmVhdG9yPgogICAgPGNyZWF0b3I+CiAgICAgIDxjcmVhdG9yTmFtZT5MZW9uYXJkbyBNYXRldXMgVGVpeGVpcmEgUmV6ZW5kZTwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+TGVvbmFyZG8gTWF0ZXVzIFRlaXhlaXJhPC9naXZlbk5hbWU+CiAgICAgIDxmYW1pbHlOYW1lPlJlemVuZGU8L2ZhbWlseU5hbWU+CiAgICA8L2NyZWF0b3I+CiAgICA8Y3JlYXRvcj4KICAgICAgPGNyZWF0b3JOYW1lPkZpbGlwZSBSaW9zIERydW1tb25kPC9jcmVhdG9yTmFtZT4KICAgICAgPGdpdmVuTmFtZT5GaWxpcGUgUmlvczwvZ2l2ZW5OYW1lPgogICAgICA8ZmFtaWx5TmFtZT5EcnVtbW9uZDwvZmFtaWx5TmFtZT4KICAgIDwvY3JlYXRvcj4KICAgIDxjcmVhdG9yPgogICAgICA8Y3JlYXRvck5hbWU+TWlndWVsIEFyYcO6am8gQ2FybmVpcm8tSsO6bmlvcjwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+TWlndWVsIEFyYcO6am88L2dpdmVuTmFtZT4KICAgICAgPGZhbWlseU5hbWU+Q2FybmVpcm8tSsO6bmlvcjwvZmFtaWx5TmFtZT4KICAgIDwvY3JlYXRvcj4KICAgIDxjcmVhdG9yPgogICAgICA8Y3JlYXRvck5hbWU+TWFyaWFuYSBNYWNoYWRvIE5ldmVzPC9jcmVhdG9yTmFtZT4KICAgICAgPGdpdmVuTmFtZT5NYXJpYW5hIE1hY2hhZG88L2dpdmVuTmFtZT4KICAgICAgPGZhbWlseU5hbWU+TmV2ZXM8L2ZhbWlseU5hbWU+CiAgICA8L2NyZWF0b3I+CiAgICA8Y3JlYXRvcj4KICAgICAgPGNyZWF0b3JOYW1lPkVtaWx5IENvcnJlbmEgQ2FybG8gUmVpczwvY3JlYXRvck5hbWU+CiAgICAgIDxnaXZlbk5hbWU+RW1pbHkgQ29ycmVuYSBDYXJsbzwvZ2l2ZW5OYW1lPgogICAgICA8ZmFtaWx5TmFtZT5SZWlzPC9mYW1pbHlOYW1lPgogICAgPC9jcmVhdG9yPgogICAgPGNyZWF0b3I+CiAgICAgIDxjcmVhdG9yTmFtZT5BbnTDtG5pbyBKb3PDqSBOYXRhbGk8L2NyZWF0b3JOYW1lPgogICAgICA8Z2l2ZW5OYW1lPkFudMO0bmlvIEpvc8OpPC9naXZlbk5hbWU+CiAgICAgIDxmYW1pbHlOYW1lPk5hdGFsaTwvZmFtaWx5TmFtZT4KICAgIDwvY3JlYXRvcj4KICA8L2NyZWF0b3JzPgogIDx0aXRsZXM+CiAgICA8dGl0bGU+UmVzaXN0YW5jZSBFeGVyY2lzZSBUcmFpbmluZyBNaXRpZ2F0ZXMgTGVmdCBWZW50cmljdWxhciBEeXNmdW5jdGlvbnMgaW4gUHVsbW9uYXJ5IEFydGVyeSBIeXBlcnRlbnNpb24gTW9kZWw8L3RpdGxlPgogIDwvdGl0bGVzPgogIDxkZXNjcmlwdGlvbnM+CiAgICA8ZGVzY3JpcHRpb24gZGVzY3JpcHRpb25UeXBlPSJBYnN0cmFjdCI+Jmx0O3AmZ3Q7Jmx0Oy9wJmd0OyZsdDtwJmd0O0Fic3RyYWN0ICBCYWNrZ3JvdW5kIFRoZSByaWdodCB2ZW50cmljdWxhciBoeXBlcnRyb3BoeSBhbmQgZGlsYXRpb24gb2JzZXJ2ZWQgaW4gcHVsbW9uYXJ5IGFydGVyeSBoeXBlcnRlbnNpb24gKFBBSCkgZGFtYWdlcyB0aGUgbGVmdCB2ZW50cmljbGUgKExWKSBkeW5hbWljcyBieSBmbGF0dGVuaW5nIHRoZSBpbnRlcnZlbnRyaWN1bGFyIHNlcHR1bS4gIE9iamVjdGl2ZSBUbyBpbnZlc3RpZ2F0ZSB3aGV0aGVyIGxvdy0gdG8gbW9kZXJhdGUtaW50ZW5zaXR5IHJlc2lzdGFuY2UgZXhlcmNpc2UgdHJhaW5pbmcgKFJUKSBpcyBiZW5lZmljaWFsIHRvIExWIGFuZCBjYXJkaW9teW9jeXRlIGNvbnRyYWN0aWxlIGZ1bmN0aW9ucyBpbiByYXRzIGR1cmluZyB0aGUgZGV2ZWxvcG1lbnQgb2YgbW9ub2Nyb3RhbGluZSAoTUNUKS1pbmR1Y2VkIFBBSC4gIE1ldGhvZHMgTWFsZSBXaXN0YXIgcmF0cyAoQm9keSB3ZWlnaHQ6IH4gMjAwIGcpIHdlcmUgdXNlZC4gVG8gYXNzZXNzIHRoZSB0aW1lIHRvIHBvdGVudGlhbCBoZWFydCBmYWlsdXJlIG9uc2V0IChpLmUuLCBlbmQgcG9pbnQpLCByYXRzIHdlcmUgZGl2aWRlZCBpbnRvIHNlZGVudGFyeSBoeXBlcnRlbnNpb24gdW50aWwgZmFpbHVyZSAoU0hGLCBuPTYpIGFuZCBleGVyY2lzZSBoeXBlcnRlbnNpb24gdW50aWwgZmFpbHVyZSAoRUhGLCBuPTYpIGdyb3Vwcy4gVG8gdGVzdCBSVCBlZmZlY3RzLCByYXRzIHdlcmUgZGl2aWRlZCBpbnRvIHNlZGVudGFyeSBjb250cm9sIChTQywgbiA9IDcpLCBzZWRlbnRhcnkgaHlwZXJ0ZW5zaW9uIChTSCwgbj03KSwgYW5kIGV4ZXJjaXNlIGh5cGVydGVuc2lvbiAoRUgsIG49NykgZ3JvdXBzLiBQQUggd2FzIGluZHVjZWQgYnkgdHdvIE1DVCBpbmplY3Rpb25zICgyMCBtZy9rZywgd2l0aCA3IGRheXMgaW50ZXJ2YWwpLiBFeGVyY2lzZSBncm91cHMgd2VyZSBzdWJtaXR0ZWQgdG8gYW4gUlQgcHJvdG9jb2wgKExhZGRlciB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