• Plasma corticosterone (CORT) was measured using a radio immuno assay kit (ICN Inc., USA). (usda.gov)
  • Concentrations of CORT were analyzed using post-hoc paired t-tests. (usda.gov)
  • In the present study, plasma concentrations of oxytocin, vasopressin and corticosterone (CORT) were measured in reproductively naive male prairie voles as a function of exposure to an infant or control manipulations (i.e. handling or exposure to a wooden dowel). (rti.org)
  • Although plasma CORT concentration typically increases after handling, after 10 min of pup exposure, the concentration of plasma CORT was not increased, suggesting an attenuation of CORT release by pup exposure. (rti.org)
  • These patterns of rapid change in the concentrations of plasma oxytocin and CORT were observed in both juvenile and adult males but not detected after control procedures. (rti.org)
  • A single i.p. administration of 1.0 mg/kg of chlorphenvinphos (CVP), an organophosphorus pesticide, results in an acute stress response, evidenced by a marked (6-7 fold) rise in plasma corticosterone (CORT) concentration, and a diminished behavioural sensitivity to amphetamine (AMPH) three weeks postexposure. (aaem.pl)
  • At the end of the 20 and 32-week periods, glucose handling using the Homeostasis Model Assessment indices, adrenocorticotropic (ACTH) and corticosterone (CORT) concentrations were measured. (researchsquare.com)
  • Impaired glucose handling in the PD group as well as increase in corticosterone (CORT) was observed at the end of both 20 and 32-week periods by comparison to NPD groups. (researchsquare.com)
  • This was followed by the observation of a decrease in ACTH and CORT concentration in the PD stressed group by comparison to the NPD stressed group. (researchsquare.com)
  • We characterized plasma corticosterone (CORT) concentrations in P. californicus under baseline conditions across the diurnal cycle, in response to pharmacological manipulation of the HPA axis, and in response to a variety of stressors at different times of day. (sandiegozoo.org)
  • The environment effects and blood samples were collected and analyzed for examining the cortisol concentration level by RIA technique. (scialert.net)
  • Aldosterone accounts for 90% of mineralocorticoid activity, with some activity contributed by deoxycorticosterone, corticosterone, and cortisol. (medscape.com)
  • Glucocorticoids, cortisol in humans or corticosterone in rodents, the end product of the HPA axis, is a catabolic hormone with the primary function of increasing availability of energy during a stressed condition by having an effect on the metabolism of carbohydrate and lipids (12, 13). (researchsquare.com)
  • Finally, a mixture of a V1 AVP and the α-helical corticotropin-releasing hormone (CRH) receptor antagonists administered via inverse microdialysis into the PVN caused a significant increase in the plasma adrenocorticotropic hormone (ACTH) concentration compared with vehicle-treated controls both under basal conditions and during social defeat, indicating inhibitory effects of intra-PVN-released AVP and/or CRH on HPA system activity. (jneurosci.org)
  • Unstimulated levels of 11-DOC and corticosterone may be somewhat elevated in heterozygotes, and these individuals may have an exaggerated response to ACTH stimulation. (medscape.com)
  • No changes were observed in ACTH concentration at week 20 while, at week 32, a decrease in plasma ACTH concentration was observed in the PD group by comparison to the NPD group. (researchsquare.com)
  • We monitored corticosterone and white blood cell counts in response to restraint and injection with adrenocorticotropin hormone (ACTH) or saline for up to 50 h. (silverchair.com)
  • Injection with ACTH restored the normal inter-renal responses of hellbenders, suggesting that leeches, possibly through neurotransmitters in leech saliva, cause down-regulation of corticosterone release at the level of the pituitary or hypothalamus. (silverchair.com)
  • In contrast, chronic administration of tianeptine (10 mg/kg twice a day for 15 days) induced a significant decrease in the concentration of corticotropin-releasing factor (CRF) in the hypothalamus and adrenocorticotropin (ACTH) in the anterior lobe of the pituitary. (tianeptine.com)
  • Tube restraint stress for 30 min induced a significant depletion of hypothalamic CRF and a substantial increase of plasma ACTH and corticosterone. (tianeptine.com)
  • Tianeptine abolished the stress-induced reduction of hypothalamic CRF concentration and markedly reduced the stress-induced increase in plasma ACTH and corticosterone levels. (tianeptine.com)
  • Cushing's syndrome, which is characterized by excessive circulating glucocorticoid concentrations, maybe due to ACTH-dependent or -independent causes that include anterior pituitary and adrenal cortical tumors, respectively. (ox.ac.uk)
  • As in previous studies, we found that captivity tended to alter baseline corticosterone, suggesting that house sparrows experience captivity as a stressor. (biologists.com)
  • Using the hair as a long-term quantification of steroid hormones, we also tested whether corticosterone, progesterone and testosterone differed by social phenotype. (frontiersin.org)
  • Circulating levels of androgens (testosterone and 5-α-dihydrotestosterone) and corticosterone were measured in baseline samples and after standardised challenges to assess the responsiveness of the females' endocrine axes. (uni-bielefeld.de)
  • Shape 2 Serum degrees of testosterone and corticosterone (ng/ml, suggest SEM) in adult and juvenile lawn rats. (scienceexhibitions.org)
  • Following immobilization, plasma concentrations of corticosterone and prolactin increased 135% and 48%, respectively, while plasma luteinizing hormone and testosterone presented a significant decrease of 29% and 37%, respectively. (scielo.org)
  • To address this, concentrations of testosterone, sex hormone binding globulin, androstanediol glucuronide (a metabolite of dihydrotestosterone) and estradiol were measured in stored serum specimens from men examined in the morning sample of the first phase of NHANES III (1988-1991). (cdc.gov)
  • Immunoassay for the in vitro quantitative determination of Sample testosterone in human serum and plasma. (cdc.gov)
  • We mapped the effect of a conditioned stressor on the concentration of the DA metabolite homovanillic acid (HVA) in distinct amygdaloid nuclei and other brain nuclei and areas and the effect of DZ (1 or 3 mg/kg) on the conditioned response in drug-experienced subjects. (duke.edu)
  • however, noise had no statistically significant impact on plasma adrenocorticotropic hormone (or adrenal gland weights). (noiseandhealth.org)
  • Prenatal diagnosis of an affected infant is possible by measuring amniotic fluid concentrations of adrenal steroids or maternal urine steroid metabolite excretion. (medscape.com)
  • The conditioned stress paradigm resulted in significant elevations in classical indices of stress, including serum corticosterone and plasma epinephrine. (duke.edu)
  • Blood was collected from the mice and used to measure the concentrations of three stress hormones (corticosterone, epinephrine and prolactin). (uaeu.ac.ae)
  • Discussion: IMS and CWS stimuli in male and female mice caused significant elevations in the plasma concentrations of corticosterone, epinephrine, and prolactin, accompanied by a significant reduction of motor and exploratory activities, neuromuscular coordination, and thermal nocicep-tion. (uaeu.ac.ae)
  • Noise was associated with a significant, albeit modest, increase in both corticosterone and aldosterone concentrations following the 21 days of exposure. (noiseandhealth.org)
  • Aldosterone and plasma renin concentrations are usually low. (medscape.com)
  • DOC-mediated mineralocorticoid activity causes sodium retention and plasma volume expansion, with subsequent suppressed renin and aldosterone levels in most untreated patients. (medscape.com)
  • Metabolite concentrations were measured using ultra performance liquid chromatography - tandem mass spectrometer (UPLC-MS/MS) methods. (cdc.gov)
  • however, the known degrees of NOx in the plasma of STZ-treated mice had been undetectable. (californiaehealth.org)
  • In stressed mice, prior administration of FUR (40 mg/kg) significantly decreased the concentrations of stress hormones, and this effect significantly mitigated the stress-induced behavioural and motor changes. (uaeu.ac.ae)
  • Effects of housing density on weight gain, immune function, behavior, and plasma corticosterone concentrations in BALB/c and C57BL/6 mice. (musc.edu)
  • Repeated cycles of chronic intermittent ethanol exposure in mice increases voluntary ethanol drinking and ethanol concentrations in the nucleus accumbens. (musc.edu)
  • Crh -120/+ mice also had low bone mineral density, hypercalcemia, hypercalciuria, and decreased concentrations of plasma PTH and osteocalcin. (ox.ac.uk)
  • NW mice showed decrease in plasma TRP, brain TRP and 5-HT concentrations while increase in 5-HT turnover and corticosterone concentrations as compared to respective controls. (setpublisher.com)
  • SJW administrated NW mice showed decrease in corticosterone levels and 5-HT turnover while plasma TRP, brain TRP and 5-HT synthesis were increased when compared with similarly treated saline injected group. (setpublisher.com)
  • While there were no significant differences among control and experimental groups in behavioral testing, the physiological data we procure in the last week of classes could dictate whether voluntary physical exercise modulates hypothalamic orexin concentrations in CD1 mice. (umw.edu)
  • LL disrupted this pattern, causing disruptions in circadian rhythms of plasma levels of triglycerides (TG) and glucose. (researchgate.net)
  • Plasma triglycerides had been assessed using Wako L Type TG H ELISA products. (californiaehealth.org)
  • However, it remains unclear whether in the US population circulating concentrations of sex steroid hormones vary by race/ethnicity. (cdc.gov)
  • Plasma TNF- was assessed using the Mouse TNF- Ready-SET-go ELISA package (eBioscience, Inc.). 2.3 Measurement of superoxide generation Superoxide production in parts of mouse aorta was recognized using dihydroethidium (DHE) as previously referred to9. (californiaehealth.org)
  • blood plasma samples were also analyzed in a corticosterone ELISA assay. (umw.edu)
  • In addition, plasma corticosterone concentrations were not statistically affected by light intensity, suggesting an absence of physiological stress. (thepoultrysite.com)
  • Counter to expectation, females housed in pairs had higher plasma androgen concentrations and slightly higher corticosterone concentrations than females housed in groups, although the latter was not statistically significant. (uni-bielefeld.de)
  • In physiological concentrations, androgens have no specific effects in women. (cdc.gov)
  • Besides, plasma corticosterone concentrations - considered a reliable index of fear and stress - of rats exposed once or twice to the EPM were measured. (usp.br)
  • In the first experiment no differences in the ChE activity in plasma (pChE) and erythrocytes (rbcChE) were found between the shocked and control rats. (aaem.pl)
  • Corticosterone plasma concentration in the Carioca high-and low-conditioned freezing rats. (bvsalud.org)
  • In anesthetized rats, stimulation of these same forebrain areas produced plasma corticosterone titers that did not differ from the elevated steroid levels observed after sham stimulation. (lsu.edu)
  • Plasma concentration of follicle-stimulating hormone was not altered in stressed rats. (scielo.org)
  • Group differences in the concentrations of plasma hormones were no longer detected at 20 or 60 min after treatment. (rti.org)
  • CWS and IMS also significantly increased the plasma concentrations of the three hormones. (uaeu.ac.ae)
  • Plasma oxytocin concentrations were transiently elevated within 10 min of pup exposure. (rti.org)
  • Plasma vasopressin, assessed only in adult males, did not vary as a function of pup exposure or other manipulations. (rti.org)
  • Tail blood sampling for corticosterone throughout the exposure period showed no appreciable difference between the noise and sham exposed animals, largely due to the sizeable variation for each group as well as the observed fluctuations over time. (noiseandhealth.org)
  • We collected plasma samples pre- and post-shift welding fume exposure and prepared samples using the automated MicroLab STAR system. (cdc.gov)
  • The present study housed female Japanese quail (Coturnix japonica) in pairs or groups to examine the effects on hormone concentrations in plasma and yolk and on reproductive performance. (uni-bielefeld.de)
  • Administration of LSD-25 did not alter the levels of corticosterone. (erowid.org)
  • After 3 weeks, we compared body weight, food intake, plasma levels of lipids and glucose, and the expression patterns of the clock genes and the genes involved in lipid metabolism in the liver and WAT. (researchgate.net)
  • diagnosis is confirmed by markedly elevated levels of 11-deoxycorticosterone (11-DOC) and corticosterone. (medscape.com)
  • Exogenous steroid administration may cause transient increases in levels vitamin A and retinol-binding protein (RBP), whereas extended use may reduce levels of vitamin A and metabolites in plasma and tissues. (interactionsguide.com)
  • Stimulation of the arcuate hypothalamic nucleus, amygdala, hippocampus or preoptic area in awake animals resulted in elevated plasma corticosterone levels. (lsu.edu)
  • all concentrations in this formula are in mmol/L (mM or mEq/L) (see also the Anion Gap calculator). (medscape.com)
  • Pre-diabetes is defined as an intermediary state of hyperglycaemia that occurs between normoglycaemia and type 2 diabetes mellitus (T2DM) with blood glucose concentrations above normal but below the threshold for diagnosis of diabetes (1, 2). (researchsquare.com)
  • The main results obtained were a significant increase in the catalase activity and reduced glutathione concentration on the cerebrum of animals where the chronic unpredictable mild stress were suspended at day 14 and then exposed 7 days to extremely low-frequency magnetic fields. (biomedcentral.com)
  • Conditioned stress-induced increases in the HVA concentration of responsive amygdaloid nuclei were antagonized by low, anxiolytic doses of DZ. (duke.edu)
  • Characteristic changes in hematology parameters were decreased red blood cell counts, hematocrit, and hemoglobin concentration. (jaksignaling.com)
  • Catalase activity, reduced glutathione concentration, and lipoperoxidation were measured in cerebrum and cerebellum. (biomedcentral.com)
  • All steroids requiring 17-hydroxylase (17-OH) activity for their production are found in very low concentrations. (medscape.com)
  • Our findings warrant SJW's therapeutic efficacy to alleviate nicotine withdrawal associated depression by virtue of its ability to improve serotonergic activity by increasing brain TRP, 5-HT concentrations and decreased turnover. (setpublisher.com)
  • Thus, the measurement of dynamic changes in the concentration of extracellular AVP in distinct brain areas under defined experimental conditions would provide a missing link for the physiological involvement of the endogenous neuropeptide in the regulation of autonomic, endocrine, and behavioral parameters. (jneurosci.org)
  • It can usually be easily identified by evaluating routine plasma chemistry results and from the clinical picture. (medscape.com)
  • A normal AG acidosis is characterized by a lowered bicarbonate concentration, which is counterbalanced by an equivalent increase in plasma chloride concentration. (medscape.com)
  • Post-hoc testing exposed that among juveniles, contact with the novel environment triggered a significant upsurge in plasma corticosterone concentrations (discover Figure 2). (scienceexhibitions.org)
  • Plasma corticosterone was suffering from age group (F(1,39)=8.798, p =0.0051) and environment (F(1,39)=4.949, p =0.0320), however, not by an discussion between these elements (F(1,39)=2.148, p =0.1475). (scienceexhibitions.org)