Results 21 to 30 of about 48,193 (234)

Permissive Influence of Stress in the Expression of a U-Shaped Relationship between Serum Corticosterone Levels and Spatial Memory Errors in Rats

open access: yesDose-Response, 2006
The relationship between glucocorticoids (GCs) and memory is complex, in that memory impairments can occur in response to manipulations that either increase or decrease GC levels.
Collin R. Park   +5 more
doaj   +1 more source

Innate immunity, assessed by plasma NO measurements, is not suppressed during the incubation fast in eiders [PDF]

open access: yesDev. Comp. Immunol. (19/12/2006) 29 pages, 2007
Immunity is hypothesized to share limited resources with other physiological functions and may mediate life history trade-offs, for example between reproduction and survival. However, vertebrate immune defense is a complex system that consists of three components.
arxiv   +1 more source

Towards the convergent therapeutic potential of G protein‐coupled receptors in autism spectrum disorders

open access: yesBritish Journal of Pharmacology, EarlyView., 2023
Abstract Autism spectrum disorders (ASDs) are diagnosed in 1/100 children worldwide, based on two core symptoms: deficits in social interaction and communication, and stereotyped behaviours. G protein‐coupled receptors (GPCRs) are the largest family of cell‐surface receptors that transduce extracellular signals to convergent intracellular signalling ...
Anil Annamneedi   +6 more
wiley   +1 more source

The Comparison of the Effects of Acute Swimming Stress on Plasma Corticosterone and Leptin Concentration in Male and Female Rats [PDF]

open access: yesActa Medica Iranica, 2011
The aim of this study was to investigate the effect of acute swimming stress on plasma corticosterone and leptin levels in female and male rats. Thirty- seven adult male (n=20) and female (n=20) Sprague Dawley rats (200-250 g weight) were used.
Parvin Zareian   +2 more
doaj   +1 more source

Bioconversion of Corticosterone into Corticosterone-Glucoside by Glucosyltransferase

open access: yesMolecules, 2018
Glucosylation of the 21-hydroxyl group of glucocorticoid changes its solubility into hydrophilicity from hydrophobicity and, as with glucocorticoid glucuronides as a moving object in vivo, it is conceivable that it exhibits the same behavior.
Tokutaro Yamaguchi   +5 more
doaj   +1 more source

Effects of high-intensity interval versus mild-intensity endurance training on metabolic phenotype and corticosterone response in rats fed a high-fat or control diet. [PDF]

open access: yesPLoS ONE, 2017
The aim of the present study was to compare the effects of high-intensity interval training (HI) to mild-intensity endurance training (ME), combined with a high-fat diet (HFD) or control diet (CD) on metabolic phenotype and corticosterone levels in rats.
Youqing Shen   +4 more
doaj   +1 more source

Low Concentrations of Corticosterone Exert Stimulatory Effects on Macrophage Function in a Manner Dependent on Glucocorticoid Receptors

open access: yesInternational Journal of Endocrinology, 2013
Endogenous glucocorticoids (GCs) have both stimulatory and suppressive effects on immune cells depending on the concentration. However, the mechanisms underlying the stimulatory effects of GCs remain elusive.
He-Jiang Zhong   +4 more
doaj   +1 more source

Resveratrol Ameliorates the Depressive-Like Behaviors and Metabolic Abnormalities Induced by Chronic Corticosterone Injection

open access: yesMolecules, 2016
Chronic glucocorticoid exposure is known to cause depression and metabolic disorders. It is critical to improve abnormal metabolic status as well as depressive-like behaviors in patients with long-term glucocorticoid therapy.
Yu-Cheng Li   +5 more
doaj   +1 more source

Evaluation of physiological stress in free‐ranging bears: current knowledge and future directions

open access: yesBiological Reviews, Volume 98, Issue 1, Page 168-190, February 2023., 2023
ABSTRACT Stress responses, which are mediated by the neurogenic system (NS) and hypothalamic–pituitary–adrenal (HPA) axis help vertebrates maintain physiological homeostasis. Fight‐or‐flight responses are activated by the NS, which releases norepinephrine/noradrenaline and epinephrine/adrenaline in response to immediate stressors, whilst the HPA axis ...
Natarsha L. Babic   +5 more
wiley   +1 more source

A physiological glucocorticoid rhythm is an important regulator of brown adipose tissue function

open access: yesMolecular Metabolism, 2021
Objective: Brown adipose tissue (BAT) displays a strong circadian rhythm in metabolic activity, but it is unclear how this rhythm is regulated. As circulating levels of corticosterone coincide with the rhythm of triglyceride-derived fatty acid (FA ...
Jan Kroon   +19 more
doaj  

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