The Role of beta-Adrenergic Overstimulation in the Early Stages of Renal Injury
dc.contributor | Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP | |
dc.contributor.author | PONTE, Mariana Charleaux de | |
dc.contributor.author | CASARE, Fernando Augusto Malavazzi | |
dc.contributor.author | COSTA-PESSOA, Juliana Martins | |
dc.contributor.author | CARDOSO, Vanessa Gerolde | |
dc.contributor.author | MALNIC, Gerhard | |
dc.contributor.author | MELLO-AIRES, Margarida | |
dc.contributor.author | VOLPINI, Rildo Aparecido | |
dc.contributor.author | THIEME, Karina | |
dc.contributor.author | OLIVEIRA-SOUZA, Maria | |
dc.date.accessioned | 2018-03-06T15:26:28Z | |
dc.date.available | 2018-03-06T15:26:28Z | |
dc.date.issued | 2017 | |
dc.description.abstract | Background/Aims: To assess the possible contribution of the beta-adrenergic overstimulation in early stages of renal injury, the present study evaluated, in rats, the effects of the beta-adrenoceptor agonist isoproterenol (ISO) on renal function and morphology, as well as the renal mRNA and protein expression of the NADPH oxidase isoform 4 (Nox 4) and subunit p22(phox), endoplasmic reticulum (ER) stress, pro-inflammatory, pro-apoptotic and renin-angiotensin system (RAS) components. Methods: Wistar rats received ISO (0.3 mg.kg(-1).day(-1) s.c.) or vehicle (control) for eight days. At the end of the treatment, food and water intake, urine output and body weight gain were evaluated and renal function studies were performed. Renal tissue was used for the morphological, quantitative PCR and immunohistochemical studies. Results: ISO did not change metabolic parameters or urine output. However it induced a decrease in renal blood flow and an increase in the filtration fraction. These changes were accompanied by increased cortical mRNA and protein expression for the renal oxidative stress components including Nox 4 and p22(phox); ER stress, pro-inflamatory, pro-apoptotic as well as RAS components. ISO also induced a significant increase in medullar renin protein expression. Conclusion: These findings support relevant information regarding the contribution of specific beta-adrenergic hyperactivity in early stage of renal injury, indicating the reactive oxygen species, ER stress and intrarenal RAS as important factors in this process. (c) 2017 The Author(s) Published by S. Karger AG, Basel | |
dc.description.index | MEDLINE | |
dc.description.sponsorship | Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [13/195693] | |
dc.description.sponsorship | Gerhard Malnic and Margarida de Mello-Aires [13/23087-4] | |
dc.description.sponsorship | Fernando Augusto Malavazzi Casare [11/14022-0] | |
dc.description.sponsorship | Vanessa Gerolde Cardoso [14/19154-0] | |
dc.description.sponsorship | Karina Thieme [14/17251-9] | |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [14/151575-2] | |
dc.identifier.citation | KIDNEY & BLOOD PRESSURE RESEARCH, v.42, n.6, p.1277-1289, 2017 | |
dc.identifier.doi | 10.1159/000485931 | |
dc.identifier.eissn | 1423-0143 | |
dc.identifier.issn | 1420-4096 | |
dc.identifier.uri | https://observatorio.fm.usp.br/handle/OPI/25840 | |
dc.language.iso | eng | |
dc.publisher | KARGER | |
dc.relation.ispartof | Kidney & Blood Pressure Research | |
dc.rights | openAccess | |
dc.rights.holder | Copyright KARGER | |
dc.subject | Isoproterenol | |
dc.subject | beta-adrenergic stimulation | |
dc.subject | Renal hemodynamics | |
dc.subject | Oxidative stress | |
dc.subject | Inflammation | |
dc.subject | Intrarenal renin-angiotensin system | |
dc.subject.other | endoplasmic-reticulum stress | |
dc.subject.other | adult cardiac myocytes | |
dc.subject.other | factor-kappa-b | |
dc.subject.other | angiotensin-ii | |
dc.subject.other | neural-control | |
dc.subject.other | converting-enzyme | |
dc.subject.other | gene-expression | |
dc.subject.other | disease | |
dc.subject.other | kidney | |
dc.subject.other | rat | |
dc.subject.wos | Physiology | |
dc.subject.wos | Urology & Nephrology | |
dc.subject.wos | Peripheral Vascular Disease | |
dc.title | The Role of beta-Adrenergic Overstimulation in the Early Stages of Renal Injury | |
dc.type | article | |
dc.type.category | original article | |
dc.type.version | publishedVersion | |
dspace.entity.type | Publication | |
hcfmusp.author.external | PONTE, Mariana Charleaux de:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | CASARE, Fernando Augusto Malavazzi:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | COSTA-PESSOA, Juliana Martins:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | CARDOSO, Vanessa Gerolde:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | MALNIC, Gerhard:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | MELLO-AIRES, Margarida:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.author.external | OLIVEIRA-SOUZA, Maria:Univ Sao Paulo, Dept Physiol & Biophys, Lab Renal Physiol, Inst Biomed Sci,Med Sch, Sao Paulo, Brazil | |
hcfmusp.citation.scopus | 14 | |
hcfmusp.contributor.author-fmusphc | RILDO APARECIDO VOLPINI | |
hcfmusp.contributor.author-fmusphc | KARINA THIEME | |
hcfmusp.description.beginpage | 1277 | |
hcfmusp.description.endpage | 1289 | |
hcfmusp.description.issue | 6 | |
hcfmusp.description.volume | 42 | |
hcfmusp.origem | WOS | |
hcfmusp.origem.pubmed | 29262407 | |
hcfmusp.origem.scopus | 2-s2.0-85048358078 | |
hcfmusp.origem.wos | WOS:000423291800030 | |
hcfmusp.publisher.city | BASEL | |
hcfmusp.publisher.country | SWITZERLAND | |
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hcfmusp.scopus.lastupdate | 2024-04-11 | |
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