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Keywords: glucose
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Journal Articles
J Exp Biol (2020) 223 (22): jeb226027.
Published: 23 November 2020
.../ Summary: Early-life hypoxia exposure in Drosophila leads to a subsequent change in adult physiology that is associated with reduced stress tolerance and shortened lifespan. Glucose Glycogen Akt Lifespan Starvation stress Metabolism Insulin TOR Lipids Sexual dimorphism Animals...
Journal Articles
J Exp Biol (2018) 221 (23): jeb187880.
Published: 27 November 2018
... was steeper in zebra finches living in a high- versus low-foraging-costs environment, which supports the metabolic explanation of glucocorticoid variation. Corticosterone Metabolic rate Energy expenditure Foraging environment Glucose Increased concentrations of glucocorticoid hormones (GCs...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (21): 3976–3987.
Published: 01 November 2017
... and was negative at 24°C, with an estimated upper limit for positive growth of 23.4°C. Plasma cortisol increased with temperature and was 12- and 18-fold higher at 22 and 24°C, respectively, than at 16°C, whereas plasma glucose was unaffected by temperature. Abundance of heat shock protein 70 (HSP70) in the gill...
Journal Articles
J Exp Biol (2016) 219 (18): 2944–2954.
Published: 15 September 2016
... rate and physiological markers of hormonal stress response, energy availability and anaerobic respiration in blood plasma across five ecologically relevant temperatures (24, 28, 32, 35 and 38°C; 3 h exposure). Corticosterone, insulin and glucose concentrations all increased with temperature...
Journal Articles
J Exp Biol (2016) 219 (7): 949–959.
Published: 01 April 2016
... 2015 © 2016. Published by The Company of Biologists Ltd 2016 All bees were anesthetized by chilling before the procedures. A 1 µl hemolymph sample was collected from each individual bee. Glucose content was measured by adding 400 µl glucose reagents that include hexokinase and glucose 6...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (7): 960–968.
Published: 01 April 2016
... functions in both vertebrates and invertebrates ( Lee and Park, 2004 ). For regular activities, honey bees are able to keep constant blood (hemolymph) glucose and trehalose concentrations ( Blatt and Roces, 2001 ). However, how hemolymph sugar concentrations change during starvation in honey bees has rarely...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (2): 250–258.
Published: 01 January 2016
... explosive power release during swimming and slow recoil from lactate in situ during recovery. To cope with exogenous glucose, trout can completely suppress hepatic production and boost glucose disposal. Without these responses, glycemia would increase four times faster and reach dangerous levels...
Journal Articles
J Exp Biol (2014) 217 (21): 3843–3852.
Published: 01 November 2014
... showed a decrease in glycogen stores, while both glucose and glycogen content decreased over time when the organisms were exposed to repeated freezing. The results therefore suggest that carbohydrate resources are important as a fuel for E. albidus during freezing whereas lipid resources are of marginal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (18): 3422–3432.
Published: 15 September 2013
...Tracy A. Becker; Brian DellaValle; Hans Gesser; Kenneth J. Rodnick SUMMARY We examined whether exogenous glucose affects contractile performance of electrically paced ventricle strips from rainbow trout under conditions known to alter cardiomyocyte performance, ion regulation and energy demands...
Journal Articles
J Exp Biol (2013) 216 (14): 2732–2740.
Published: 15 July 2013
... of ice content by exposure to saline soils was probably the main explanation for the better freeze survival in saline-exposed worms. Glucose increased with decreasing temperature, but was lower in saline than in non-saline soils. Thus, glucose accumulation patterns did not explain differences in freeze...
Journal Articles
J Exp Biol (2013) 216 (4): 554–567.
Published: 15 February 2013
...Marta Conde-Sieira; Rosa Alvarez; Marcos A. López-Patiño; Jesús M. Míguez; Gert Flik; José L. Soengas SUMMARY To assess the hypothesis that cortisol release in rainbow trout is modulated by glucose levels, we first evaluated cortisol release [basal and adrenocorticotropic hormone (ACTH)-regulated...
Journal Articles
J Exp Biol (2012) 215 (16): 2920–2930.
Published: 15 August 2012
... 2012 © 2012. 2012 chronic stress food variability predictability curve-billed thrasher corticosterone energy reserve vasotocin fault bar gluconeogenesis lipid protein glucose The amount of available energy (i.e. food quantity and quality) is a primary limiting factor...
Journal Articles
J Exp Biol (2012) 215 (3): 543–551.
Published: 01 February 2012
... of the cryoprotectant glucose into blood and all tissues. As glycogenesis is both an energy-expensive process and counter-productive to maintaining sustained high cryoprotectant levels, we proposed that glycogen synthase kinase-3 (GSK-3) would be activated when wood frogs froze and would phosphorylate its downstream...
Journal Articles
J Exp Biol (2011) 214 (2): 254–262.
Published: 15 January 2011
...David H. Wasserman; Li Kang; Julio E. Ayala; Patrick T. Fueger; Robert S. Lee-Young Summary Skeletal muscle glucose uptake increases dramatically in response to physical exercise. Moreover, skeletal muscle comprises the vast majority of insulin-sensitive tissue and is a site of dysregulation...
Journal Articles
J Exp Biol (2010) 213 (11): 1813–1821.
Published: 01 June 2010
...Rosa I. Caamaño Tubío; Jorge Pérez-Maceira; Manuel Aldegunde SUMMARY In this study, we evaluated, for the first time, the 5-HT (serotonin)-mediated control of glucose homeostasis in the rainbow trout Oncorhynchus mykiss . Intraperitoneal administration of 5-HT increased plasma levels of glucose...
Journal Articles
J Exp Biol (2009) 212 (18): 2908–2917.
Published: 15 September 2009
... –1 , increased 1.5 m min –1 every 2 min)and endurance was measured as the total time or distance run to exhaustion. Blood samples were taken to measure glucose and lactate concentrations at rest during the photophase, during peak nightly wheel running, and immediately following the second endurance...
Journal Articles
J Exp Biol (2009) 212 (16): 2558–2563.
Published: 15 August 2009
... most susceptible to the effects of low temperatures. The concentration of glucose in the posterior chamber of the kidney and concentration of glycerol in the digestive gland were significantly higher in cold-acclimated snails than in non-acclimated ones, suggesting carbohydrate metabolic pathways...
Journal Articles
J Exp Biol (2009) 212 (15): 2378–2385.
Published: 01 August 2009
...A. M. Petersen; T. T. Gleeson SUMMARY We investigated the effect of acute and acclimatory temperature on the relative contribution of glucose and lactate to metabolism in resting sartorius muscle of the American bullfrog ( Lithobates catesbeiana ). We examined the fate of these metabolites in vitro...
Journal Articles
J Exp Biol (2009) 212 (10): 1553–1558.
Published: 15 May 2009
...Chunchun Han; Jiwen Wang; Liang Li; Zhongxian Zhang; Li Wang; Zhixiong Pan SUMMARY In order to obtain some information on how fatty liver arises in geese, we investigated the role of insulin and glucose in triglyceride (TG) accumulation in goose primary hepatocytes. Goose primary hepatocytes were...
Journal Articles
J Exp Biol (2009) 212 (6): 859–866.
Published: 15 March 2009
... concentrations of glucose upon freezing. The present study investigates the roles of glucose accumulation for long-term freeze tolerance in worms kept frozen at –2°C for 47 days. During this period, worms were sampled periodically for determination of survival and for measurements of glucose,glycogen, lactate...