Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/7972
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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP-
dc.contributor.authorMOSTARDA, Cristiano-
dc.contributor.authorRODRIGUES, Bruno-
dc.contributor.authorMEDEIROS, Alessandra-
dc.contributor.authorMOREIRA, Edson D.-
dc.contributor.authorMORAES-SILVA, Ivana C.-
dc.contributor.authorBRUM, Patricia C.-
dc.contributor.authorANGELIS, Katia De-
dc.contributor.authorIRIGOYEN, Maria-Claudia-
dc.date.accessioned2014-09-30T15:18:57Z-
dc.date.available2014-09-30T15:18:57Z-
dc.date.issued2014-
dc.identifier.citationAMERICAN JOURNAL OF TRANSLATIONAL RESEARCH, v.6, n.3, p.320-328, 2014-
dc.identifier.issn1943-8141-
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/7972-
dc.description.abstractBaroreflex dysfunction has been considered an important mortality predictor after myocardial infarction (MI). However, the impact of baroreflex deficiency prior to MI on tonic autonomic control and cardiac function, and on the profile of proteins associated with intracellular calcium handling has not yet been studied. The aim of the present study was to analyze how the impairment of baroreflex induced by sinoaortic denervation (SAD) prior to MI in rats affects the tonic autonomic control, ventricular function and cardiomyocyte calcium handling proteins. After 15 days of following or SAD surgery, rats underwent MI. Echocardiographic, hemodynamic, autonomic and molecular evaluations were performed 90 days after MI. Baroreflex impairment led to additional damage on: left ventricular remodeling, diastolic function, vagal tonus and intrinsic heart rate after MI. The loss of vagal component of the arterial baroreflex and vagal tonus were correlated with changes in the cardiac proteins involved in intracellular calcium homeostasis. Furthermore, additional increase in sodium calcium exchanger expression levels was associated with impaired diastolic function in experimental animals. Our findings strongly suggest that previous arterial baroreflex deficiency may induce additional impairment of vagal tonus, which was associated with calcium handling proteins abnormalities, probably triggering ventricular diastolic dysfunction after MI in rats.-
dc.description.sponsorshipFundacao de Amparo a Pesquisa do Estado de Sao Paulo [FAPESP-2007/58942-0, 2012/20141-5]-
dc.description.sponsorshipConselho Nacional de Pesquisa e Desenvolvimento [CNPq-482520/2009-4, 306011/2010-7, 47-9766/2011-8]-
dc.description.sponsorshipConselho Nacional de Pesquisa e Desenvolvimento (CNPq-BPQ)-
dc.language.isoeng-
dc.publisherE-CENTURY PUBLISHING CORP-
dc.relation.ispartofAmerican Journal of Translational Research-
dc.rightsopenAccess-
dc.subjectArterial baroreflex-
dc.subjectmyocardial infarction-
dc.subjectautonomic tone-
dc.subjectcardiac function-
dc.subjectcardiac remodeling-
dc.subjectcalcium handling proteins-
dc.subject.otherfailing human myocardium-
dc.subject.otherheart-rate-variability-
dc.subject.otherhypertensive-rats-
dc.subject.othersinoaortic denervation-
dc.subject.otherautonomic function-
dc.subject.otherdiabetes-mellitus-
dc.subject.othersensitivity-
dc.subject.othermortality-
dc.subject.otherfailure-
dc.subject.otherdysfunction-
dc.titleBaroreflex deficiency induces additional impairment of vagal tone, diastolic function and calcium handling proteins after myocardial infarction-
dc.typearticle-
dc.rights.holderCopyright E-CENTURY PUBLISHING CORP-
dc.identifier.pmid24936224-
dc.subject.wosOncology-
dc.subject.wosMedicine, Research & Experimental-
dc.type.categoryoriginal article-
dc.type.versionpublishedVersion-
hcfmusp.author.externalMOSTARDA, Cristiano:Fed Univ Maranhao UFMA, Sao Luis, Maranhao, Brazil-
hcfmusp.author.externalRODRIGUES, Bruno:Sao Judas Tadeu Univ USJT, Human Movement Lab, Sao Paulo, Brazil-
hcfmusp.author.externalMEDEIROS, Alessandra:Fed Univ Sao Paulo UNIFESP, Sao Paulo, Brazil-
hcfmusp.author.externalMORAES-SILVA, Ivana C.:Univ Sao Paulo, Sch Med, Heart Intitute InCor, Hypertens Unit, Sao Paulo, Brazil-
hcfmusp.author.externalBRUM, Patricia C.:Univ Sao Paulo, Sch Phys Educ & Sports, Sao Paulo, Brazil-
hcfmusp.author.externalANGELIS, Katia De:Nove de Julho Univ UNINOVE, Translat Physiol Lab, Sao Paulo, Brazil-
hcfmusp.description.beginpage320-
hcfmusp.description.endpage328-
hcfmusp.description.issue3-
hcfmusp.description.volume6-
hcfmusp.origemWOS-
hcfmusp.origem.id2-s2.0-84901065429-
hcfmusp.origem.idWOS:000338439400012-
hcfmusp.publisher.cityMADISON-
hcfmusp.publisher.countryUSA-
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dc.description.indexPubMed-
hcfmusp.remissive.sponsorshipCNPq-
hcfmusp.remissive.sponsorshipFAPESP-
hcfmusp.citation.scopus8-
hcfmusp.scopus.lastupdate2023-01-27-
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