Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da Uninove |
Texto Completo: | http://bibliotecatede.uninove.br/handle/tede/1338 |
Resumo: | Hypertension is one of the main risk factors for cardiovascular disease mainly in postmenopausal women. In this context, the sympathetic overactivity, the oxidative stress and the inflammation seem to have play an important role in development of this disease. On the other hand, aerobic exercise training (ET) has been suggested to prevention and/or treatment of several diseases. Moreover, resistance ET has been recommended as a complement of aerobic ET. However, the effects of the association of these types of ET (combined exercise training) in this condition remains unclear. Thus, the aim of this study was to invetigate the effects of combined ET on hemodynamic, cardiovascular autonomic modulation, oxidative stress and inflammation parameters in hypertensive-ovariectomized rats. Female Wistar and SHR rats were divided into (n=8 per group): control (c), hypertensive (H), hypertensive ovariectomized (HO) and hypertensive ovariectomized submitted to combined exercise training (THO). Trained group was submitted to an exercise protocol on a treadmill and vertical ladder (5d/w; 8wk; 40-60% of maximal capacity). Arterial pressure (AP) was directly measured (Windaq, 2 KHz), and cardiovascular autonomic modulation was assessed by spectral analysis. The baroreflex sensitivity was measured by administration of vasoactive drugs. Oxidative stress was evaluated by lipid peroxidation and by antioxidant capacity in cardiac and renal tissues. Inflammatory markers were assessed in cardiac tissue. We observed an increase in mean AP in H group (165??3 mmHg) when compared to C group (113??1.5 mmHg); and an additional increase in AP in HO group (176??4 mmHg) when compared to other groups. However, THO group (155??3 mmHg) showed a reduction in AP associated with resting bradycardia. We observed a normalization in THO group in the pulse interval of variance (VAR-IP) and in baroreceptor induced-bradycardic responses. The HO group (50.78??4.61 mmHg2) presented an additional impairment in systolic AP variability when compared to C and H groups (23.69??0.45 and 34.09??2.37 mmHg2 respectively). However, the trained group was able to mitigate this dysfunction (THO: 30.09??2.03 mmHg2). Additionally, it was observed an attenuation on vascular sympathetic modulation in THO group (5.72??0.60 mmHg2) compared to HO group (7.69??0.46 mmHg2). Ovariectomy induced an additional increase on oxidative stress assessed by TBARS in relation to others groups in cardiac and renal tissues. However, the THO group showed reduction in this parameter in cardiac (THO: 3.84??0.43 vs. HO: 9.18??0.81 ??mol/mg protein) and renal tissues (THO: 2.68??0.21 vs. HO: 4.58??0.40 ??mol/mg protein). The THO group presented an increase in total non-enzymatic antioxidant capacity (TRAP) when compared to others groups. There was a reduction of IL-10 in ovariectomized groups (HO and THO vs. C). Furthermore, there was an increase in TNF-?? in sedentary hypertensive groups (H and HO vs. C), which has not been observed in THO group. In conclusion, combined exercise training was able to reduce AP associated with BrS improvement, reduction in sympathetic vascular modulation, in oxidative stress and in inflammation in hypertensive ovariectomized rats. These data suggests a positive role of combined exercise training in the management of cardiovascular risk factors in the presence of hypertension and ovarian hormones deprivation. |
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Angelis, K??tia dehttp://lattes.cnpq.br/4299344810509965Angelis, K??tia dehttp://lattes.cnpq.br/4299344810509965Rodrigues, BrunoLanza, Fernanda de Cordobahttp://lattes.cnpq.br/5288152697269527http://lattes.cnpq.br/2801204473998788Ferreira, Guilherme Lemos Shimojo2016-05-25T14:30:48Z2014-12-16Ferreira, Guilherme Lemos Shimojo. Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas. 2014. 118 f. Disserta????o( Programa de P??s-Gradua????o em Ci??ncias da Reabilita????o) - Universidade Nove de Julho, S??o Paulo .http://bibliotecatede.uninove.br/handle/tede/1338Hypertension is one of the main risk factors for cardiovascular disease mainly in postmenopausal women. In this context, the sympathetic overactivity, the oxidative stress and the inflammation seem to have play an important role in development of this disease. On the other hand, aerobic exercise training (ET) has been suggested to prevention and/or treatment of several diseases. Moreover, resistance ET has been recommended as a complement of aerobic ET. However, the effects of the association of these types of ET (combined exercise training) in this condition remains unclear. Thus, the aim of this study was to invetigate the effects of combined ET on hemodynamic, cardiovascular autonomic modulation, oxidative stress and inflammation parameters in hypertensive-ovariectomized rats. Female Wistar and SHR rats were divided into (n=8 per group): control (c), hypertensive (H), hypertensive ovariectomized (HO) and hypertensive ovariectomized submitted to combined exercise training (THO). Trained group was submitted to an exercise protocol on a treadmill and vertical ladder (5d/w; 8wk; 40-60% of maximal capacity). Arterial pressure (AP) was directly measured (Windaq, 2 KHz), and cardiovascular autonomic modulation was assessed by spectral analysis. The baroreflex sensitivity was measured by administration of vasoactive drugs. Oxidative stress was evaluated by lipid peroxidation and by antioxidant capacity in cardiac and renal tissues. Inflammatory markers were assessed in cardiac tissue. We observed an increase in mean AP in H group (165??3 mmHg) when compared to C group (113??1.5 mmHg); and an additional increase in AP in HO group (176??4 mmHg) when compared to other groups. However, THO group (155??3 mmHg) showed a reduction in AP associated with resting bradycardia. We observed a normalization in THO group in the pulse interval of variance (VAR-IP) and in baroreceptor induced-bradycardic responses. The HO group (50.78??4.61 mmHg2) presented an additional impairment in systolic AP variability when compared to C and H groups (23.69??0.45 and 34.09??2.37 mmHg2 respectively). However, the trained group was able to mitigate this dysfunction (THO: 30.09??2.03 mmHg2). Additionally, it was observed an attenuation on vascular sympathetic modulation in THO group (5.72??0.60 mmHg2) compared to HO group (7.69??0.46 mmHg2). Ovariectomy induced an additional increase on oxidative stress assessed by TBARS in relation to others groups in cardiac and renal tissues. However, the THO group showed reduction in this parameter in cardiac (THO: 3.84??0.43 vs. HO: 9.18??0.81 ??mol/mg protein) and renal tissues (THO: 2.68??0.21 vs. HO: 4.58??0.40 ??mol/mg protein). The THO group presented an increase in total non-enzymatic antioxidant capacity (TRAP) when compared to others groups. There was a reduction of IL-10 in ovariectomized groups (HO and THO vs. C). Furthermore, there was an increase in TNF-?? in sedentary hypertensive groups (H and HO vs. C), which has not been observed in THO group. In conclusion, combined exercise training was able to reduce AP associated with BrS improvement, reduction in sympathetic vascular modulation, in oxidative stress and in inflammation in hypertensive ovariectomized rats. These data suggests a positive role of combined exercise training in the management of cardiovascular risk factors in the presence of hypertension and ovarian hormones deprivation.A hipertens??o ?? um dos principais fatores de risco para doen??as cardiovasculares em mulheres p??s-menopausadas. Nesse contexto, a hiperatividade simp??tica, o estresse oxidativo e a inflama????o parecem ter um importante papel no seu desenvolvimento. Por outro lado, o treinamento f??sico (TF) aer??bio tem sido sugerido para preven????o e/ou tratamento de diversas doen??as, enquanto o TF resistido ?? preconizado em complemento ao TF aer??bio. Entretanto, os efeitos da associa????o desses tipos de treinamento (TF combinado) ainda n??o est??o claros na condi????o de hipertens??o associada a menopausa. Dessa forma, objetivo do presente estudo foi verificar os efeitos do TF combinado em par??metros hemodin??micos, de controle auton??mico cardiovascular, de estresse oxidativo e inflama????o em ratas hipertensas ooforectomizadas. Ratas f??meas Wistar e espontaneamente hipertensas (SHR) foram divididas em (n=8 por grupo): controle (C), hipertenso (H), hipertenso ooforectomizado (HO) e hipertenso ooforectomizado submetido ao treinamento f??sico combinado (THO). O TF foi realizado em esteira e escada adaptada (5 dias por semana; 8 semanas; 40-60% da capacidade m??xima). A press??o arterial (PA) foi mensurada de forma direta (Windaq, 2 KHz); e a modula????o auton??mica cardiovascular foi avaliada por an??lise espectral. A sensibilidade barorreflexa foi avaliada pela infus??o de drogas vasoativas. O estresse oxidativo foi avaliado pela lipoperoxida????o e pela capacidade antioxidante em tecido renal e card??aco. Marcadores inflamat??rios foram avaliados em tecido card??aco. Observou-se um aumento na PA m??dia no grupo H (165??3 mmHg) quando comparado ao grupo C (113??1,5 mmHg) e um aumento adicional no grupo HO (176??4 mmHg) quando comparado aos demais grupos. Entretanto, o grupo THO (155??3 mmHg) apresentou uma redu????o de PA associada ?? bradicardia de repouso. Al??m disso, grupo THO apresentou normaliza????o do preju??zo observado nos grupos H e HO na vari??ncia do intervalo de pulso e dos pressorreceptores para respostas bradic??rdicas. O grupo HO (50,78??4,61 mmHg2) apresentou um preju??zo adicional na variabilidade da PA sist??lica quando comparado aos grupos H e C (23,69??0,45 e 34,09??2,37 mmHg2, respectivamente). Entretanto, o grupo treinado apresentou atenua????o dessa disfun????o (THO: 30,09??2,03 mmHg2). Adicionalmente, observou-se uma atenua????o na modula????o simp??tica vascular no grupo THO (5,72??0,60 mmHg2) quando comparado ao grupo HO (7,69??0,46 mmHg2). A ooforectomia induziu um aumento adicional no estresse oxidativo avaliado por TBARS em tecido card??aco e renal (vs. demais grupos estudados). No entanto, o grupo THO apresentou uma redu????o deste par??metro no tecido card??aco (THO: 3,84??0,43 vs. HO: 9,18??0,81 ??moles/mg prote??na) e renal (THO: 2,68??0,21 vs. HO: 4,58??0,40 ??moles/mg prote??na). O grupo THO apresentou um aumento na capacidade antioxidante total n??o enzim??tica (TRAP) quando comparado aos demais grupos. Houve redu????o da IL-10 nos grupos ooforectomizados (HO e THO vs. C). Al??m disto, houve aumento de TNF-?? nos grupos hipertensos sedent??rios (H e HO vs. C), o que n??o foi observado no grupo THO. Concluindo, o treinamento f??sico combinado foi eficaz em reduzir PA associado ?? melhora do barorreflexo, redu????o da modula????o simp??tica vascular, do estresse oxidativo e da inflama????o em ratos espontaneamente hipertensos ooforectomizados. Esses resultados sugerem um papel importante do treinamento f??sico combinado no manejo do risco cardiovascular na presen??a de hipertens??o e priva????o dos horm??nios ovarianos.Submitted by Nadir Basilio (nadirsb@uninove.br) on 2016-05-25T14:30:48Z No. of bitstreams: 1 Guilherme Lemos Shimojo.pdf: 1087270 bytes, checksum: 84eeee3bfe43d9585165114463b4945b (MD5)Made available in DSpace on 2016-05-25T14:30:48Z (GMT). No. of bitstreams: 1 Guilherme Lemos Shimojo.pdf: 1087270 bytes, checksum: 84eeee3bfe43d9585165114463b4945b (MD5) Previous issue date: 2014-12-16application/pdfporUniversidade Nove de JulhoPrograma de P??s-Gradua????o em Ci??ncias da Reabilita????oUNINOVEBrasilSa??deooforectomizadasCIENCIAS DA SAUDEEfeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadasEffects of aerobic physical training association and resisted autonomic parameters and oxidative stress in hypertensive ooriectomized ratsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis8765449414823306929600info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da Uninoveinstname:Universidade Nove de Julho (UNINOVE)instacron:UNINOVEORIGINALGuilherme Lemos Shimojo.pdfGuilherme Lemos Shimojo.pdfapplication/pdf1087270http://localhost:8080/tede/bitstream/tede/1338/2/Guilherme+Lemos+Shimojo.pdf84eeee3bfe43d9585165114463b4945bMD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://localhost:8080/tede/bitstream/tede/1338/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede/13382016-05-25 11:30:48.652oai:localhost: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Biblioteca Digital de Teses e Dissertaçõeshttp://bibliotecatede.uninove.br/PRIhttp://bibliotecatede.uninove.br/oai/requestbibliotecatede@uninove.br||bibliotecatede@uninove.bropendoar:2016-05-25T14:30:48Biblioteca Digital de Teses e Dissertações da Uninove - Universidade Nove de Julho (UNINOVE)false |
dc.title.por.fl_str_mv |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
dc.title.alternative.eng.fl_str_mv |
Effects of aerobic physical training association and resisted autonomic parameters and oxidative stress in hypertensive ooriectomized rats |
title |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
spellingShingle |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas Ferreira, Guilherme Lemos Shimojo ooforectomizadas CIENCIAS DA SAUDE |
title_short |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
title_full |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
title_fullStr |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
title_full_unstemmed |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
title_sort |
Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas |
author |
Ferreira, Guilherme Lemos Shimojo |
author_facet |
Ferreira, Guilherme Lemos Shimojo |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Angelis, K??tia de |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/4299344810509965 |
dc.contributor.referee1.fl_str_mv |
Angelis, K??tia de |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/4299344810509965 |
dc.contributor.referee2.fl_str_mv |
Rodrigues, Bruno |
dc.contributor.referee3.fl_str_mv |
Lanza, Fernanda de Cordoba |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/5288152697269527 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2801204473998788 |
dc.contributor.author.fl_str_mv |
Ferreira, Guilherme Lemos Shimojo |
contributor_str_mv |
Angelis, K??tia de Angelis, K??tia de Rodrigues, Bruno Lanza, Fernanda de Cordoba |
dc.subject.por.fl_str_mv |
ooforectomizadas |
topic |
ooforectomizadas CIENCIAS DA SAUDE |
dc.subject.cnpq.fl_str_mv |
CIENCIAS DA SAUDE |
description |
Hypertension is one of the main risk factors for cardiovascular disease mainly in postmenopausal women. In this context, the sympathetic overactivity, the oxidative stress and the inflammation seem to have play an important role in development of this disease. On the other hand, aerobic exercise training (ET) has been suggested to prevention and/or treatment of several diseases. Moreover, resistance ET has been recommended as a complement of aerobic ET. However, the effects of the association of these types of ET (combined exercise training) in this condition remains unclear. Thus, the aim of this study was to invetigate the effects of combined ET on hemodynamic, cardiovascular autonomic modulation, oxidative stress and inflammation parameters in hypertensive-ovariectomized rats. Female Wistar and SHR rats were divided into (n=8 per group): control (c), hypertensive (H), hypertensive ovariectomized (HO) and hypertensive ovariectomized submitted to combined exercise training (THO). Trained group was submitted to an exercise protocol on a treadmill and vertical ladder (5d/w; 8wk; 40-60% of maximal capacity). Arterial pressure (AP) was directly measured (Windaq, 2 KHz), and cardiovascular autonomic modulation was assessed by spectral analysis. The baroreflex sensitivity was measured by administration of vasoactive drugs. Oxidative stress was evaluated by lipid peroxidation and by antioxidant capacity in cardiac and renal tissues. Inflammatory markers were assessed in cardiac tissue. We observed an increase in mean AP in H group (165??3 mmHg) when compared to C group (113??1.5 mmHg); and an additional increase in AP in HO group (176??4 mmHg) when compared to other groups. However, THO group (155??3 mmHg) showed a reduction in AP associated with resting bradycardia. We observed a normalization in THO group in the pulse interval of variance (VAR-IP) and in baroreceptor induced-bradycardic responses. The HO group (50.78??4.61 mmHg2) presented an additional impairment in systolic AP variability when compared to C and H groups (23.69??0.45 and 34.09??2.37 mmHg2 respectively). However, the trained group was able to mitigate this dysfunction (THO: 30.09??2.03 mmHg2). Additionally, it was observed an attenuation on vascular sympathetic modulation in THO group (5.72??0.60 mmHg2) compared to HO group (7.69??0.46 mmHg2). Ovariectomy induced an additional increase on oxidative stress assessed by TBARS in relation to others groups in cardiac and renal tissues. However, the THO group showed reduction in this parameter in cardiac (THO: 3.84??0.43 vs. HO: 9.18??0.81 ??mol/mg protein) and renal tissues (THO: 2.68??0.21 vs. HO: 4.58??0.40 ??mol/mg protein). The THO group presented an increase in total non-enzymatic antioxidant capacity (TRAP) when compared to others groups. There was a reduction of IL-10 in ovariectomized groups (HO and THO vs. C). Furthermore, there was an increase in TNF-?? in sedentary hypertensive groups (H and HO vs. C), which has not been observed in THO group. In conclusion, combined exercise training was able to reduce AP associated with BrS improvement, reduction in sympathetic vascular modulation, in oxidative stress and in inflammation in hypertensive ovariectomized rats. These data suggests a positive role of combined exercise training in the management of cardiovascular risk factors in the presence of hypertension and ovarian hormones deprivation. |
publishDate |
2014 |
dc.date.issued.fl_str_mv |
2014-12-16 |
dc.date.accessioned.fl_str_mv |
2016-05-25T14:30:48Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Ferreira, Guilherme Lemos Shimojo. Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas. 2014. 118 f. Disserta????o( Programa de P??s-Gradua????o em Ci??ncias da Reabilita????o) - Universidade Nove de Julho, S??o Paulo . |
dc.identifier.uri.fl_str_mv |
http://bibliotecatede.uninove.br/handle/tede/1338 |
identifier_str_mv |
Ferreira, Guilherme Lemos Shimojo. Efeitos da associa????o de treinamento f??sico aer??bio e resistido em par??metros auton??micos e de estresse oxidativo em ratas hipertensas ooforectomizadas. 2014. 118 f. Disserta????o( Programa de P??s-Gradua????o em Ci??ncias da Reabilita????o) - Universidade Nove de Julho, S??o Paulo . |
url |
http://bibliotecatede.uninove.br/handle/tede/1338 |
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por |
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por |
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8765449414823306929 |
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600 |
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info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Nove de Julho |
dc.publisher.program.fl_str_mv |
Programa de P??s-Gradua????o em Ci??ncias da Reabilita????o |
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UNINOVE |
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Brasil |
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Sa??de |
publisher.none.fl_str_mv |
Universidade Nove de Julho |
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reponame:Biblioteca Digital de Teses e Dissertações da Uninove instname:Universidade Nove de Julho (UNINOVE) instacron:UNINOVE |
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Universidade Nove de Julho (UNINOVE) |
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UNINOVE |
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UNINOVE |
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Biblioteca Digital de Teses e Dissertações da Uninove |
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Biblioteca Digital de Teses e Dissertações da Uninove |
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Biblioteca Digital de Teses e Dissertações da Uninove - Universidade Nove de Julho (UNINOVE) |
repository.mail.fl_str_mv |
bibliotecatede@uninove.br||bibliotecatede@uninove.br |
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1811016869333696512 |