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Keywords: lipopolysaccharide
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Journal Articles
J Exp Biol (2022) 225 (24): jeb244583.
Published: 22 December 2022
..., a decrease in food intake and body mass, and an increase in neutrophil/lymphocyte ratio and total white blood cell count after lipopolysaccharide (LPS) inoculation, there was great variability in the magnitude of these responses. Some of these differences might reflect, to some extent, differences...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2020) 223 (10): jeb225185.
Published: 27 May 2020
... and the modulation of immune function during pregnancy in a non-mammalian vertebrate, we elicited an immune response in pregnant and non-pregnant pygmy rattlesnakes, Sistrurus miliarius , using lipopolysaccharide (LPS). Resting metabolic rate (RMR) was measured using flow-through respirometry. Immune function...
Journal Articles
J Exp Biol (2020) 223 (6): jeb220095.
Published: 16 March 2020
... lipopolysaccharide (LPS) administered to northern bobwhite quail ( Colinus virginianus ), and quantified metrics related to pro-inflammatory conditions [i.e. generation of oxidative damage (d-ROMs), depletion of antioxidant capacity], anti-inflammatory mechanisms (i.e. production of haptoglobin, expression...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (16): jeb177683.
Published: 23 August 2018
... in male Cape ground squirrels ( Xerus inauris ) through two separate manipulations: first, by triggering a strong immune response using a lipopolysaccharide (LPS) injection and, secondly, by increasing circulating testosterone using silastic testosterone implants. Responding to an immune challenge...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (4): 722–730.
Published: 15 February 2017
... and food availability affect investment in constitutive innate immunity and the acute phase response induced by lipopolysaccharide (LPS) injections in captive red crossbills ( Loxia curvirostra ). Crossbills are reproductively flexible songbirds that specialize on an unpredictably available food resource...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (11): 1667–1676.
Published: 1 June 2015
... hamsters so that they exhibited body mass loss that mimicked the natural photoperiod-induced loss of body mass in short-day hamsters. We then experimentally induced sickness with lipopolysaccharide (LPS) and compared sickness responses among long-day food-restricted and long- and short-day ad libitum fed...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2012) 215 (8): 1373–1383.
Published: 15 April 2012
... responses to increasing insulin plasma levels, which may maintain sensitivity to insulin in this tissue. Adiponectin expression was inhibited by the inflammatory effect of lipopolysaccharide (LPS) in adipose tissue and red muscle. Moreover, results indicate that LPS may lead to mobilization of fat reserves...
Journal Articles
J Exp Biol (2011) 214 (20): 3378–3385.
Published: 15 October 2011
...; consequently, the impact of repeated pathogenic exposure on the avian febrile response, and thus on the ability of birds to fight recurrent infection, is not known. We determined the effect of repeated injections of lipopolysaccharide (LPS) on the febrile response of Pekin ducks. We gave ducks five injections...
Journal Articles
J Exp Biol (2011) 214 (19): 3255–3268.
Published: 1 October 2011
... lipopolysaccharide (LPS). The resting metabolic rates of mice in all immune challenge treatments were also measured. Although hypoxia had little effect on the peripheral blood immunophenotype, hypoxic mice challenged with KLH or LPS had enhanced immunological responses in the form of higher antibody titers...
Journal Articles
Journal Articles
J Exp Biol (2010) 213 (10): 1709–1716.
Published: 15 May 2010
... challenged molting wild-caught captive house finches ( Carpodacus mexicanus ) with weekly injections of lipopolysaccharide (LPS) and phytohaemagglutinin (PHA) over the course of 8 weeks. Immunostimulated adult males and females produced significant antibody responses and molted more slowly than uninjected...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (8): 1386–1394.
Published: 15 April 2010
... lipopolysaccharide (LPS), an immunogenic compound that stimulates an APR. Following LPS injection, we measured changes in food intake, body mass, activity, and resting and total energy expenditure. When challenged with LPS under ad libitum food, individuals at both temperatures decreased food intake and activity...
Journal Articles
J Exp Biol (2006) 209 (16): 3062–3070.
Published: 15 August 2006
... bacterial lipopolysaccharide (LPS). In this study, we provide the first evidence for seasonal modulation of sickness behavior in a free-living animal. Male song sparrows of western Washington state ( Melospiza melodia morphna ) are sedentary and territorial year round, except for a brief time during molt...
Journal Articles
Journal Articles
J Exp Biol (2001) 204 (23): 4055–4064.
Published: 1 December 2001
...Tore Seternes; Roy A. Dalmo; James Hoffman; Jarl Bøgwald; Svetlana Zykova; Bård Smedsrød SUMMARY The mechanism of elimination of blood-borne Vibrio salmonicida lipopolysaccharide (LPS) from Atlantic cod ( Gadus morhua L.) was studied. The anatomical distribution of LPS was determined using both...
Journal Articles
J Exp Biol (1998) 201 (4): 591–598.
Published: 15 February 1998
...+ indicators Fluo-3 and Fura-2. Responses of lymphocytes to T-cell mitogen (phytohaemagglutinin, PHA), to B-cell mitogen (lipopolysaccharide, LPS) and to immunoglobulin (Ig) cross-linking with a monoclonal antibody to carp Ig were measured using flow cytometry. Both T-cell stimulation by PHA and B-cell...