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Positive Correlation of Social Rank and Hair Cortisol Concentration in Group-Housed Pregnant Cows.
Animals (Basel)
December 2024
Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan.
In intensive beef production systems, social dominance relationships among cattle and human-cattle relationships constantly affect cattle welfare. However, these factors have not been investigated to assess their long-term effects on cattle welfare. In this study, the relations of hair cortisol concentrations of group-housed pregnant cows with their social rank and avoidance distance when approached by humans were analysed.
View Article and Find Full Text PDFTreatment and Prevention of Adrenal Crisis and Family Education.
J Clin Res Pediatr Endocrinol
January 2025
Başkent University Faculty of Medicine, Department of Pediatric Endocrinology, Adana, Turkey
Adrenal crisis is a life threatening complication of adrenal insufficiency (AI). Its treatment is urgent and parenteral hydrocortisone (HC) should be given at 10-15 times physiological doses in this situation. If HC is not available, alternatively prednisolone or methyl prednisolone may be used.
View Article and Find Full Text PDFEffect of organic solvents on earwax cortisol extraction in Hanwoo cattle.
J Anim Sci Technol
November 2024
Department of Animal Industry Convergence, Kangwon National University, Chuncheon 24341, Korea.
Article Synopsis
- Earwax contains cortisol, a stress hormone, and extracting it efficiently requires organic solvents.
- A study tested how two solvents, methyl alcohol (MA) and diethyl ether (DE), along with different diluent buffers, affect cortisol extraction from Hanwoo cattle earwax samples.
- Results showed that MA is more effective than DE for extracting cortisol, making it the preferred choice for assessing chronic stress in these cattle.
Trimethylamine-N oxide enhances post-stroke depression progression via ROS-p38/MAPK signaling.
Hum Exp Toxicol
December 2024
Department of Neurology, Wuhan Wuchang Hospital, Wuchang Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China.
Article Synopsis
- Post-stroke depression (PSD) is a common issue following a stroke, with Trimethylamine-N oxide (TMAO) linked to worsening brain injury and severe depressive symptoms.
- In a mouse model of PSD, TMAO was shown to worsen depression-like behaviors and activate specific signaling pathways, affecting the brain's protective barriers and neurotrophic support.
- The study identified that TMAO increases blood-brain barrier permeability and activates the ROS-p38/MAPK pathway, contributing to the progression of depression after a stroke.
The association of different types of stress, and stress accumulation with low back pain in call-center workers - a cross-sectional observational study.
BMC Musculoskelet Disord
November 2024
Medical Sociology and Psychobiology, Department of Health and Physical Activity, University of Potsdam, 14469, Potsdam, Germany.
Background: Low back pain (LBP) is a common health complaint and a prominent factor in the development of LBP among the working population is stress. Mostly, stress is addressed as a general problem, which is why LBP prevention programs are often imprecise. Accordingly, a closer look at the association between specific stress types and the development of LBP is necessary.
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