Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/227508 |
Resumo: | Objective: Total sleep or selective REM-sleep deprivation (SD) increases aggressiveness. Rats that display fighting when submitted to sleep-deprivation are those that manifest wild running (WR), a panic-like flight that precedes tonic-clonic seizures induced by intense acoustic stimulation (audiogenic epilepsy). The incidence of WR-sensitive rats in the colonies around the world may reach 20%, which makes important to know the other characteristics of these animals for both sleep and other kinds of experimental research. Based on the report of their reduced body weight, we investigated some glucose metabolism parameters. Methods: Adult male Wistar rats were submitted to high-intensity acoustic stimulation (112dB, 60s) and then classified as WR-sensitive or WR-resistant rats. Glycemia and insulinemia, measured by glucometer and radioimmunoassay, respectively, and body weight were analyzed during three months. At the end of this period, intraperitoneal glucose and insulin tolerance tests were performed, and hepatic fat and glycogen content were also determined. Results: WR-sensitive rats showed proportionally less gain of body mass compared to the resistant ones (p<0.05) in initial measurements, but this tendency did not sustain thereafter. Interestingly, fasting glycemia was significantly lower in the WR-sensitive group throughout the experiment, compared to WR-resistant rats. No significant differences between groups were found in insulinemia, peripheral glucose and insulin tolerance, and hepatic glycogen. However, WR-sensitive rats increased hepatic fat content significantly after a 12-hour fasting. Conclusions: Slow weight gain, decreased fasting glycemia and hepatic steatosis suggest a possible accelerated energetic metabolism or low resistance to food deprivation, which could partially explain the reduced body weight of WR-sensitive rats. |
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Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REMMetabolic parameters of rats prone to display wild-running of the audiogenic crisis and fights induced by REM-sleep deprivationAcoustic stimulationAdipose tissue/metabolismAggressionAnimalsBlood glucose/metabolismBody weightEnergy metabolism/physiologyEpilepsyLactic acid/bloodMetabolismPanic/physiologyRatsReflex/physiopathologyRunningSeizures/metabolismSleep deprivationSleep deprivation/physiopathologyWistarObjective: Total sleep or selective REM-sleep deprivation (SD) increases aggressiveness. Rats that display fighting when submitted to sleep-deprivation are those that manifest wild running (WR), a panic-like flight that precedes tonic-clonic seizures induced by intense acoustic stimulation (audiogenic epilepsy). The incidence of WR-sensitive rats in the colonies around the world may reach 20%, which makes important to know the other characteristics of these animals for both sleep and other kinds of experimental research. Based on the report of their reduced body weight, we investigated some glucose metabolism parameters. Methods: Adult male Wistar rats were submitted to high-intensity acoustic stimulation (112dB, 60s) and then classified as WR-sensitive or WR-resistant rats. Glycemia and insulinemia, measured by glucometer and radioimmunoassay, respectively, and body weight were analyzed during three months. At the end of this period, intraperitoneal glucose and insulin tolerance tests were performed, and hepatic fat and glycogen content were also determined. Results: WR-sensitive rats showed proportionally less gain of body mass compared to the resistant ones (p<0.05) in initial measurements, but this tendency did not sustain thereafter. Interestingly, fasting glycemia was significantly lower in the WR-sensitive group throughout the experiment, compared to WR-resistant rats. No significant differences between groups were found in insulinemia, peripheral glucose and insulin tolerance, and hepatic glycogen. However, WR-sensitive rats increased hepatic fat content significantly after a 12-hour fasting. Conclusions: Slow weight gain, decreased fasting glycemia and hepatic steatosis suggest a possible accelerated energetic metabolism or low resistance to food deprivation, which could partially explain the reduced body weight of WR-sensitive rats.Department of Biological Sciences Universidade Estadual Paulista 'Júlio de Mesquita Filho' UNESP, Bauru (SP)Department of Physical Education Universidade Estadual Paulista 'Júlio de Mesquita Filho' UNESP, Bauru (SP)Department of Biological Sciences Universidade Estadual Paulista 'Júlio de Mesquita Filho' UNESP, Bauru (SP)Department of Physical Education Universidade Estadual Paulista 'Júlio de Mesquita Filho' UNESP, Bauru (SP)Universidade Estadual Paulista (UNESP)Moraes, Gabriel Parmezani [UNESP]Rafacho, Alex [UNESP]Bosqueiro, José Roberto [UNESP]Hoshino, Katsumasa [UNESP]de Paula, Hugo Medeiros Garrido2022-04-29T07:13:42Z2022-04-29T07:13:42Z2010-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article74-81Sleep Science, v. 3, n. 2, p. 74-81, 2010.1984-06591984-0063http://hdl.handle.net/11449/2275082-s2.0-84892975541Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengporSleep Scienceinfo:eu-repo/semantics/openAccess2024-04-24T18:53:32Zoai:repositorio.unesp.br:11449/227508Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-04-24T18:53:32Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM Metabolic parameters of rats prone to display wild-running of the audiogenic crisis and fights induced by REM-sleep deprivation |
title |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
spellingShingle |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM Moraes, Gabriel Parmezani [UNESP] Acoustic stimulation Adipose tissue/metabolism Aggression Animals Blood glucose/metabolism Body weight Energy metabolism/physiology Epilepsy Lactic acid/blood Metabolism Panic/physiology Rats Reflex/physiopathology Running Seizures/metabolism Sleep deprivation Sleep deprivation/physiopathology Wistar |
title_short |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
title_full |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
title_fullStr |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
title_full_unstemmed |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
title_sort |
Parâmetros metabólicos de ratos propensos a demonstrarem corrida selvagem devido a crises audiogênicas e brigas induzidas por privação de sono REM |
author |
Moraes, Gabriel Parmezani [UNESP] |
author_facet |
Moraes, Gabriel Parmezani [UNESP] Rafacho, Alex [UNESP] Bosqueiro, José Roberto [UNESP] Hoshino, Katsumasa [UNESP] de Paula, Hugo Medeiros Garrido |
author_role |
author |
author2 |
Rafacho, Alex [UNESP] Bosqueiro, José Roberto [UNESP] Hoshino, Katsumasa [UNESP] de Paula, Hugo Medeiros Garrido |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Moraes, Gabriel Parmezani [UNESP] Rafacho, Alex [UNESP] Bosqueiro, José Roberto [UNESP] Hoshino, Katsumasa [UNESP] de Paula, Hugo Medeiros Garrido |
dc.subject.por.fl_str_mv |
Acoustic stimulation Adipose tissue/metabolism Aggression Animals Blood glucose/metabolism Body weight Energy metabolism/physiology Epilepsy Lactic acid/blood Metabolism Panic/physiology Rats Reflex/physiopathology Running Seizures/metabolism Sleep deprivation Sleep deprivation/physiopathology Wistar |
topic |
Acoustic stimulation Adipose tissue/metabolism Aggression Animals Blood glucose/metabolism Body weight Energy metabolism/physiology Epilepsy Lactic acid/blood Metabolism Panic/physiology Rats Reflex/physiopathology Running Seizures/metabolism Sleep deprivation Sleep deprivation/physiopathology Wistar |
description |
Objective: Total sleep or selective REM-sleep deprivation (SD) increases aggressiveness. Rats that display fighting when submitted to sleep-deprivation are those that manifest wild running (WR), a panic-like flight that precedes tonic-clonic seizures induced by intense acoustic stimulation (audiogenic epilepsy). The incidence of WR-sensitive rats in the colonies around the world may reach 20%, which makes important to know the other characteristics of these animals for both sleep and other kinds of experimental research. Based on the report of their reduced body weight, we investigated some glucose metabolism parameters. Methods: Adult male Wistar rats were submitted to high-intensity acoustic stimulation (112dB, 60s) and then classified as WR-sensitive or WR-resistant rats. Glycemia and insulinemia, measured by glucometer and radioimmunoassay, respectively, and body weight were analyzed during three months. At the end of this period, intraperitoneal glucose and insulin tolerance tests were performed, and hepatic fat and glycogen content were also determined. Results: WR-sensitive rats showed proportionally less gain of body mass compared to the resistant ones (p<0.05) in initial measurements, but this tendency did not sustain thereafter. Interestingly, fasting glycemia was significantly lower in the WR-sensitive group throughout the experiment, compared to WR-resistant rats. No significant differences between groups were found in insulinemia, peripheral glucose and insulin tolerance, and hepatic glycogen. However, WR-sensitive rats increased hepatic fat content significantly after a 12-hour fasting. Conclusions: Slow weight gain, decreased fasting glycemia and hepatic steatosis suggest a possible accelerated energetic metabolism or low resistance to food deprivation, which could partially explain the reduced body weight of WR-sensitive rats. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-12-01 2022-04-29T07:13:42Z 2022-04-29T07:13:42Z |
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 |
Sleep Science, v. 3, n. 2, p. 74-81, 2010. 1984-0659 1984-0063 http://hdl.handle.net/11449/227508 2-s2.0-84892975541 |
identifier_str_mv |
Sleep Science, v. 3, n. 2, p. 74-81, 2010. 1984-0659 1984-0063 2-s2.0-84892975541 |
url |
http://hdl.handle.net/11449/227508 |
dc.language.iso.fl_str_mv |
eng por |
language |
eng por |
dc.relation.none.fl_str_mv |
Sleep Science |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
74-81 |
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_ |
1799965414727352320 |