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Keywords: hypothermia
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Journal Articles
J Exp Biol (2022) 225 (2): jeb243208.
Published: 27 January 2022
... have advocated for individual-specific thresholds to define normothermy and torpor ( Barclay et al., 2001 ). An equivalent of shallow torpor has previously also been referred to as nocturnal hypothermia (e.g. McKechnie and Lovegrove, 2002 ), but more recent work suggests using the term ‘hypothermia...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (2): jeb160606.
Published: 25 January 2019
... mice re-warmed after hypothermia, but did not occur in RBM3 -knockdown mice, indicating the importance of the RBM3 protein rather than some other hypothermic effect on neuroprotection ( Peretti et al., 2015 ). This observation in mice resembles the neuronal plasticity seen during hibernation...
Journal Articles
J Exp Biol (2013) 216 (11): 2140–2149.
Published: 1 June 2013
... critical for subsequent rewarming. For euthermic hamsters, cardiac output was maintained following hypothermia, and this was sustained through an increase in stroke volume ( P <0.05; Table 1 ) to compensate for decreased f H . For CA hamsters, cardiac output fell by 45% ( P <0.05; Table 1...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (17): 3087–3095.
Published: 1 September 2012
...Shun Maekawa; Hitomi Iemura; Yuko Kuramochi; Nami Nogawa-Kosaka; Hironori Nishikawa; Takehito Okui; Youichi Aizawa; Takashi Kato SUMMARY Diminished erythrocyte count and erythropoiesis have been reported during hypothermia in some ectothermic animals. In this study, the African clawed frog, Xenopus...
Journal Articles
J Exp Biol (2011) 214 (18): 3021–3031.
Published: 15 September 2011
...David Hauton; Shaun May; Rasna Sabharwal; Durmus Deveci; Stuart Egginton SUMMARY The consequences of acute hypothermia include impaired cardiovascular performance, ultimately leading to circulatory collapse. We examined the extent to which this results from intrinsic limitations to cardiac...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (8): 1276–1282.
Published: 15 April 2011
... torpor hypothermia lung remodeling Mesocricetus auratus Hibernation, the state of metabolic depression and inactivity in animals during winter, is a phenomenon that is observed in many mammals, including primates ( Dausmann et al., 2004 ). Hibernation of small rodents is characterized...
Journal Articles
J Exp Biol (2009) 212 (19): 3068–3075.
Published: 1 October 2009
... showed that hypothermia of this magnitude can lead to a reduction of some 30% in energy expenditure compared with birds remaining normothermic. Our data suggest that by reducing the T b – T a gradient, blackcaps accelerate their rate of fuel accumulation at a stopover. When body energy reserves are low...
Journal Articles
J Exp Biol (2006) 209 (22): 4566–4573.
Published: 15 November 2006
... Limited 2006 2006 hypometabolism hypothermia metabolic rate winter adaptation body temperature regulation. Warm-blooded herbivores living in habitats with harsh wintering conditions face a twofold problem. The energy requirements for maintaining a high body temperature at low ambient...
Journal Articles
J Exp Biol (2004) 207 (18): 3155–3162.
Published: 15 August 2004
... species (ROS)production leads to oxidative modification of cellular components, which contributes to cell death (6). During hibernation, multiple adaptations, in addition to hypothermia, are hypothesized to act in concert to produce pronounced neuroprotection. Decreased demand for oxygen, as well...
Journal Articles
J Exp Biol (2004) 207 (18): 3243–3249.
Published: 15 August 2004
... ),would seem to increase the severity of glutamate excitotoxicity during hypoxic stress. e-mail: bicklerp@anesthesia.ucsf.edu 12 3 2004 © The Company of Biologists Limited 2004 2004 brain ischemia hypoxia neuron adaptation hypothermia The hypoxic/ischemic brain...
Journal Articles
J Exp Biol (2004) 207 (9): 1543–1552.
Published: 1 April 2004
... events from day 0(0), internal pipping (IP), external pipping (EP) and hatching (H). chicken embryo Gallus domesticus thermoregulation hypothermia incubation development heterokairy The developing chicken embryo is a poikilotherm, and consequently any decrease in ambient...
Journal Articles
J Exp Biol (2001) 204 (18): 3171–3181.
Published: 15 September 2001
...R. G. Boutilier SUMMARY Most animals experience some degree of hypoxia and hypothermia during the course of their natural life history either as a consequence of ambient ‘exposure’ per se or through metabolic, respiratory and/or circulatory insufficiency. A prevailing experimental approach has been...
Journal Articles
J Exp Biol (1992) 165 (1): 111–120.
Published: 1 April 1992
...CHRIS JENSEN; CLAUS BECH Ventilatory control of the composition of the gases in the air sacs was studied during entry into fasting-induced, shallow, nocturnal hypothermia in the domestic pigeon ( Columba livia ). Respiratory frequency ( f ), tidal volume ( V T ) and oxygen uptake ( V O O2 were...