Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.steroids.2019.108573 http://hdl.handle.net/11449/201097 |
Resumo: | This work investigated the mechanisms induced by exercise training that may contribute to attenuate dexamethasone (DEX)-induced microvascular rarefaction and hypertension. Wistar rats underwent training protocol or were kept sedentary for 8 weeks. Dexamethasone was administered during the following 14-days and hemodynamic parameters were recorded at the end. Capillary density (CD) and capillary-to-fiber ratio (C:F ratio) were obtained in soleus muscle (SOL). Also, vascular endothelial growth factor (VEGF), vascular endothelial growth factor receptor-2 (VEGFR-2), endothelial nitric oxide synthase (eNOS), B-cell lymphoma 2 (Bcl-2), Bcl-2-like protein 4 (Bax), p-BAX and caspase-3 cleaved protein levels were analyzed. DEX treatment significantly increased blood pressure (+14%), which was associated with reduced C:F ratio (−41.0%) and CD (−43.1%). Reduction of vessel density was associated with decreased VEGF (−15.6%), VEGFR-2 (−14.6%), Bcl-2 (−18.4%), Bcl-2/Bax ratio (−29.0%) and p-Bax/Bax (−25.4%), and also with increased caspase-3 cleaved protein level (25%). Training, on the other hand, prevented microvessels loss by mitigating all proteins changes induced by DEX. In addition, angiogenic and apoptotic proteins were significantly correlated with CD, which, in turn, was associated with blood pressure. Therefore, we may point out that exercise training is a good strategy to attenuate DEX-induced microvascular rarefaction in soleus muscle and this response involves a better balance between apoptotic and angiogenic proteins, which may contribute for the attenuation of hypertension. |
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Repositório Institucional da UNESP |
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Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteinsAngiogenesisApoptosisBlood pressureExercise trainingSkeletal muscleSteroid hormoneThis work investigated the mechanisms induced by exercise training that may contribute to attenuate dexamethasone (DEX)-induced microvascular rarefaction and hypertension. Wistar rats underwent training protocol or were kept sedentary for 8 weeks. Dexamethasone was administered during the following 14-days and hemodynamic parameters were recorded at the end. Capillary density (CD) and capillary-to-fiber ratio (C:F ratio) were obtained in soleus muscle (SOL). Also, vascular endothelial growth factor (VEGF), vascular endothelial growth factor receptor-2 (VEGFR-2), endothelial nitric oxide synthase (eNOS), B-cell lymphoma 2 (Bcl-2), Bcl-2-like protein 4 (Bax), p-BAX and caspase-3 cleaved protein levels were analyzed. DEX treatment significantly increased blood pressure (+14%), which was associated with reduced C:F ratio (−41.0%) and CD (−43.1%). Reduction of vessel density was associated with decreased VEGF (−15.6%), VEGFR-2 (−14.6%), Bcl-2 (−18.4%), Bcl-2/Bax ratio (−29.0%) and p-Bax/Bax (−25.4%), and also with increased caspase-3 cleaved protein level (25%). Training, on the other hand, prevented microvessels loss by mitigating all proteins changes induced by DEX. In addition, angiogenic and apoptotic proteins were significantly correlated with CD, which, in turn, was associated with blood pressure. Therefore, we may point out that exercise training is a good strategy to attenuate DEX-induced microvascular rarefaction in soleus muscle and this response involves a better balance between apoptotic and angiogenic proteins, which may contribute for the attenuation of hypertension.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Department of Physical Education – São Paulo State University (UNESP) Science Faculty, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01 – Vargem LimpaJoint Graduate Program in Physiological Sciences PIPGCF UFSCar/UNESP, Rodovia Washington Luiz, km 235 Monjolinho, 676Department of Biological Sciences Bauru School of Dentistry University of São Paulo, Alameda Octávio Pinheiro Brisolla, 9-75Department of Physical Education – São Paulo State University (UNESP) Science Faculty, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01 – Vargem LimpaJoint Graduate Program in Physiological Sciences PIPGCF UFSCar/UNESP, Rodovia Washington Luiz, km 235 Monjolinho, 676Universidade Estadual Paulista (Unesp)Universidade de São Paulo (USP)Jesus, Isley [UNESP]Herrera, Naiara A. [UNESP]Andreo, Jesus C.Santos, Carlos F.Amaral, Sandra L. [UNESP]2020-12-12T02:23:59Z2020-12-12T02:23:59Z2020-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.steroids.2019.108573Steroids, v. 156.1878-58670039-128Xhttp://hdl.handle.net/11449/20109710.1016/j.steroids.2019.1085732-s2.0-85077654567Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSteroidsinfo:eu-repo/semantics/openAccess2024-04-23T15:23:03Zoai:repositorio.unesp.br:11449/201097Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-04-23T15:23:03Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
title |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
spellingShingle |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins Jesus, Isley [UNESP] Angiogenesis Apoptosis Blood pressure Exercise training Skeletal muscle Steroid hormone |
title_short |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
title_full |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
title_fullStr |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
title_full_unstemmed |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
title_sort |
Training counteracts DEX-induced microvascular rarefaction by improving the balance between apoptotic and angiogenic proteins |
author |
Jesus, Isley [UNESP] |
author_facet |
Jesus, Isley [UNESP] Herrera, Naiara A. [UNESP] Andreo, Jesus C. Santos, Carlos F. Amaral, Sandra L. [UNESP] |
author_role |
author |
author2 |
Herrera, Naiara A. [UNESP] Andreo, Jesus C. Santos, Carlos F. Amaral, Sandra L. [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Jesus, Isley [UNESP] Herrera, Naiara A. [UNESP] Andreo, Jesus C. Santos, Carlos F. Amaral, Sandra L. [UNESP] |
dc.subject.por.fl_str_mv |
Angiogenesis Apoptosis Blood pressure Exercise training Skeletal muscle Steroid hormone |
topic |
Angiogenesis Apoptosis Blood pressure Exercise training Skeletal muscle Steroid hormone |
description |
This work investigated the mechanisms induced by exercise training that may contribute to attenuate dexamethasone (DEX)-induced microvascular rarefaction and hypertension. Wistar rats underwent training protocol or were kept sedentary for 8 weeks. Dexamethasone was administered during the following 14-days and hemodynamic parameters were recorded at the end. Capillary density (CD) and capillary-to-fiber ratio (C:F ratio) were obtained in soleus muscle (SOL). Also, vascular endothelial growth factor (VEGF), vascular endothelial growth factor receptor-2 (VEGFR-2), endothelial nitric oxide synthase (eNOS), B-cell lymphoma 2 (Bcl-2), Bcl-2-like protein 4 (Bax), p-BAX and caspase-3 cleaved protein levels were analyzed. DEX treatment significantly increased blood pressure (+14%), which was associated with reduced C:F ratio (−41.0%) and CD (−43.1%). Reduction of vessel density was associated with decreased VEGF (−15.6%), VEGFR-2 (−14.6%), Bcl-2 (−18.4%), Bcl-2/Bax ratio (−29.0%) and p-Bax/Bax (−25.4%), and also with increased caspase-3 cleaved protein level (25%). Training, on the other hand, prevented microvessels loss by mitigating all proteins changes induced by DEX. In addition, angiogenic and apoptotic proteins were significantly correlated with CD, which, in turn, was associated with blood pressure. Therefore, we may point out that exercise training is a good strategy to attenuate DEX-induced microvascular rarefaction in soleus muscle and this response involves a better balance between apoptotic and angiogenic proteins, which may contribute for the attenuation of hypertension. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T02:23:59Z 2020-12-12T02:23:59Z 2020-04-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.steroids.2019.108573 Steroids, v. 156. 1878-5867 0039-128X http://hdl.handle.net/11449/201097 10.1016/j.steroids.2019.108573 2-s2.0-85077654567 |
url |
http://dx.doi.org/10.1016/j.steroids.2019.108573 http://hdl.handle.net/11449/201097 |
identifier_str_mv |
Steroids, v. 156. 1878-5867 0039-128X 10.1016/j.steroids.2019.108573 2-s2.0-85077654567 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Steroids |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799964588306857984 |