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Keywords: Liver
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Journal Articles
J Exp Biol (2021) 224 (8): jeb241216.
Published: 16 April 2021
... permeabilized livers from both lineages, measured mitochondrial oxidation, and monitored changes during gradual increases of sulphide. Ultimately, we determined that each lineage has a distinct strategy for coping with elevated H 2 S, indicating divergences in mitochondrial function and metabolism. The Honduras...
Journal Articles
J Exp Biol (2020) 223 (20): jeb229989.
Published: 27 October 2020
... muscle, heart and liver of ruby-throated hummingbirds ( Archilochus colubris ). The GLUTs examined were detected in nearly all tissues tested. Hepatic GLUT1 was minimally present in whole-tissue homogenates and absent win PM fractions. GLUT5 was expressed in flight muscles at levels comparable to those...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (5): jeb215558.
Published: 11 March 2020
... on the tissue considered (liver or skeletal muscle), as well as having more-efficient muscle mitochondria than the other two species . Mus mattheyi presents metabolic innovations to ensure its homeostasis, by generating more ATP per oxygen consumed. * These authors contributed equally to this work...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2015) 218 (7): 1099–1110.
Published: 1 April 2015
... mechanical power requirements for swimming and increased optimal swim speeds. The primary source of buoyancy, the lipid-rich liver, offers only limited compensation for increased negative buoyancy as a result of decreasing water density; maintaining the same submerged weight would involve increasing...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (19): 3667–3673.
Published: 1 October 2013
..., and monitored various physiological parameters such as body mass, food intake, dry matter digestibility and serum markers of liver damage. We predicted that the seed predator, A. russatus , would be physiologically more adapted to consume activated toxins, as it regularly does so in the wild. We also predicted...
Journal Articles
J Exp Biol (2013) 216 (15): 2889–2895.
Published: 1 August 2013
... mechanisms involved in energy production, including mitochondrial respiration at different steps of the electron transport system (ETS) and related the results to citrate synthase activity in the liver of non-reproductive and reproductive (two and eight pups) female house mice at peak lactation. Whereas we...
Journal Articles
J Exp Biol (2013) 216 (12): 2276–2282.
Published: 15 June 2013
... as well. The daily expression profiles of cell cycle markers ( Ccnd1 , Ccne1 and Pcna ) and circadian clock genes ( Per2 and Clock ) were monitored in liver and esophagus (low and high proliferation index, respectively) of BALB/c mice. Locomotor activity displayed a 24 h rhythm, establishing the circadian...
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Journal Articles
J Exp Biol (2010) 213 (17): 2899–2911.
Published: 1 September 2010
... happens in experimental hyperthyroidism, induced by 3,5,3′-triiodothyronine (T 3 ) treatment, suggests that this hormone is responsible for the oxidative damage found in tissues from cold-exposed animals. Examination of T 3 -responsive tissues, such as brown adipose tissue (BAT) and liver, shows...
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Journal Articles
J Exp Biol (2009) 212 (15): 2394–2402.
Published: 1 August 2009
... cycle (O–UC) enzyme activity and mRNA expression,we subjected toadfish to two-day and seven-day crowding regimes. Plasma cortisol levels were measured and liver tissue was assayed for ammonia and urea concentrations. Liver glutamine synthetase (GS), carbamoyl phosphate synthetase III (CPS), ornithine...
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Journal Articles
J Exp Biol (2007) 210 (16): 2905–2911.
Published: 15 August 2007
...-GS04 ) are expressed in the brain of the ammonia-intolerant rainbow trout Oncorhynchus mykiss and that cerebral GSase is induced during ammonia stress. We measured GSase activity and the mRNA expression of Onmy-GS01-GS04 in fore-, mid- and hindbrain and liver, as well as ammonia concentrations...
Journal Articles
J Exp Biol (2006) 209 (24): 5029–5037.
Published: 15 December 2006
... increased liver and spleen masses, as well as decreased liver protein synthesis. Parasitism also led to increased gastrointestinal (GI) mass, either directly due to parasite presence or as host compensation for decreased GI function. No additional plasticity was recorded - infected animals did not consume...
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Journal Articles
J Exp Biol (2005) 208 (16): 3169–3176.
Published: 15 August 2005
... as a source of ATP. We hypothesized that diminished circulatory function in supercooled turtles also reduces the delivery of metabolic substrates to peripheral tissues from central stores in the liver, so that the tissues depend increasingly on endogenous stores to fuel their metabolism. We discovered...
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Journal Articles
J Exp Biol (2003) 206 (16): 2859–2867.
Published: 15 August 2003
... responses or degree of freeze tolerance. The concentration of glucose produced upon freezing was higher than previously reported for this species (liver: 475 μmol g –1 dry mass). Unfrozen frogs had high levels of glycerol (liver: approx. 150μmol g –1 dry mass), and did not produce more upon freezing. Liver...
Journal Articles
J Exp Biol (2003) 206 (11): 1887–1897.
Published: 1 June 2003
... is based on increased rates of mitosis in the intestinal crypts. It is highly probable that elevated levels of cell proliferation in the crypts are balanced by elevated levels of cell extrusion at the tip of intestinal villi. The lipid contents of the liver were reduced,indicating that lipid stores...