Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats.
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFOP |
Texto Completo: | http://www.repositorio.ufop.br/handle/123456789/1802 |
Resumo: | Malnutrition affects cardiovascular reflexes, including chemoreflex and baroreflex. In this study we assessed the hypothesis that malnourishment changes the responses in mean arterial pressure (MAP), heart rate (HR) and renal sympathetic nerve activity (RSNA) evoked from Bezold–Jarischreflex (BJR). Fischer rats were fed diets containing either (6% malnourished or 14% control) protein for 35 days after weaning. There were no differences in baseline MAP (102 ± 4 vs. 95 ± 3 mmHg) whereas higher baseline HR (478 ± 18 vs. 360 ± 11 bpm; P < 0.05,) and reduced sympathoinhibition (ΔRSNA = −54 ± 9 vs. −84 ± 7%; P = 0.0208) to BJR activation were found in malnourishedrats. We conclude that malnutrition affects the sympathetic control of BJR. |
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Bezerra, Vanessa MoraesXavier, Carlos HenriqueFernandes, Luciano GonçalvesCardoso, Leonardo MáximoFontes, Marco Antônio PelikyChianca Júnior, Deoclécio Alves2012-11-26T10:54:46Z2012-11-26T10:54:46Z2011BEZERRA, V. M. et al. Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. Neuroscience Letters, v. 488, n. 2, p. 129-132, jan. 2011. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0304394010014564>. Acesso em: 26 nov. 2012.03043940http://www.repositorio.ufop.br/handle/123456789/1802Malnutrition affects cardiovascular reflexes, including chemoreflex and baroreflex. In this study we assessed the hypothesis that malnourishment changes the responses in mean arterial pressure (MAP), heart rate (HR) and renal sympathetic nerve activity (RSNA) evoked from Bezold–Jarischreflex (BJR). Fischer rats were fed diets containing either (6% malnourished or 14% control) protein for 35 days after weaning. There were no differences in baseline MAP (102 ± 4 vs. 95 ± 3 mmHg) whereas higher baseline HR (478 ± 18 vs. 360 ± 11 bpm; P < 0.05,) and reduced sympathoinhibition (ΔRSNA = −54 ± 9 vs. −84 ± 7%; P = 0.0208) to BJR activation were found in malnourishedrats. We conclude that malnutrition affects the sympathetic control of BJR.Bezold-Jarisch reflexSympathetic activityProtein malnutritionSympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats.info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleO periódico Neuroscience Letters concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3314361445656.info:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOPLICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://www.repositorio.ufop.br/bitstream/123456789/1802/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52ORIGINALARTIGO_SympathoinhibitionBezoldJarisch.pdfARTIGO_SympathoinhibitionBezoldJarisch.pdfapplication/pdf147689http://www.repositorio.ufop.br/bitstream/123456789/1802/1/ARTIGO_SympathoinhibitionBezoldJarisch.pdfd89d71df78d867b19521d189d236cf6aMD51123456789/18022019-03-13 12:50:01.495oai:localhost: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Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332019-03-13T16:50:01Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false |
dc.title.pt_BR.fl_str_mv |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
title |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
spellingShingle |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. Bezerra, Vanessa Moraes Bezold-Jarisch reflex Sympathetic activity Protein malnutrition |
title_short |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
title_full |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
title_fullStr |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
title_full_unstemmed |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
title_sort |
Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. |
author |
Bezerra, Vanessa Moraes |
author_facet |
Bezerra, Vanessa Moraes Xavier, Carlos Henrique Fernandes, Luciano Gonçalves Cardoso, Leonardo Máximo Fontes, Marco Antônio Peliky Chianca Júnior, Deoclécio Alves |
author_role |
author |
author2 |
Xavier, Carlos Henrique Fernandes, Luciano Gonçalves Cardoso, Leonardo Máximo Fontes, Marco Antônio Peliky Chianca Júnior, Deoclécio Alves |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Bezerra, Vanessa Moraes Xavier, Carlos Henrique Fernandes, Luciano Gonçalves Cardoso, Leonardo Máximo Fontes, Marco Antônio Peliky Chianca Júnior, Deoclécio Alves |
dc.subject.por.fl_str_mv |
Bezold-Jarisch reflex Sympathetic activity Protein malnutrition |
topic |
Bezold-Jarisch reflex Sympathetic activity Protein malnutrition |
description |
Malnutrition affects cardiovascular reflexes, including chemoreflex and baroreflex. In this study we assessed the hypothesis that malnourishment changes the responses in mean arterial pressure (MAP), heart rate (HR) and renal sympathetic nerve activity (RSNA) evoked from Bezold–Jarischreflex (BJR). Fischer rats were fed diets containing either (6% malnourished or 14% control) protein for 35 days after weaning. There were no differences in baseline MAP (102 ± 4 vs. 95 ± 3 mmHg) whereas higher baseline HR (478 ± 18 vs. 360 ± 11 bpm; P < 0.05,) and reduced sympathoinhibition (ΔRSNA = −54 ± 9 vs. −84 ± 7%; P = 0.0208) to BJR activation were found in malnourishedrats. We conclude that malnutrition affects the sympathetic control of BJR. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011 |
dc.date.accessioned.fl_str_mv |
2012-11-26T10:54:46Z |
dc.date.available.fl_str_mv |
2012-11-26T10:54:46Z |
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.citation.fl_str_mv |
BEZERRA, V. M. et al. Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. Neuroscience Letters, v. 488, n. 2, p. 129-132, jan. 2011. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0304394010014564>. Acesso em: 26 nov. 2012. |
dc.identifier.uri.fl_str_mv |
http://www.repositorio.ufop.br/handle/123456789/1802 |
dc.identifier.issn.none.fl_str_mv |
03043940 |
identifier_str_mv |
BEZERRA, V. M. et al. Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. Neuroscience Letters, v. 488, n. 2, p. 129-132, jan. 2011. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0304394010014564>. Acesso em: 26 nov. 2012. 03043940 |
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http://www.repositorio.ufop.br/handle/123456789/1802 |
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eng |
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eng |
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