In the course of hypothermia, biochemical changes occur that are associated with stimulation of protective thermogenic mechanisms as well as mobilization of internal energy resources mediated by the hormone system. The objective of the investigation was the assessment of validity of determinations of cortisol, cortisone and corticosterone as hypothermia markers in cases of fatal hypothermia combined with concomitant insobriety of the victims. The experimental group consisted of blood samples collected in the course of medico-legal autopsies of 23 hypothermia victims. The controls included blood samples originating from 34 victims of violent sudden deaths (deaths by hanging and traffic road accidents at the scene) and from ten individuals deceased after prolonged agony in consequence of post-traumatic subdural hematomas. In both groups, three subgroups were distinguished that included cases with ethanol levels within the following ranges: 0.0-0.99, 1.0-2.99 and ≥3.0‰. The comparison of determination results showed that irrespectively of blood ethanol concentration, cortisol, cortisone and corticosterone levels seen in hypothermia victims were significantly higher as compared to the controls (P<0.001).
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http://dx.doi.org/10.1016/j.forsciint.2013.03.003 | DOI Listing |
J Steroid Biochem Mol Biol
March 2025
Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, United States. Electronic address:
Comprehensive steroid profiling by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) can be achieved using small biospecimen samples. LC-MS/MS assays offer superior accuracy to immunoassays, but they also introduce layers of complexity and opportunities for errors. Validation and harmonization studies are essential to ensure reliable results, as these assays are being increasingly incorporated in clinical laboratories.
View Article and Find Full Text PDFEnviron Sci Technol
March 2025
Center for Environmental and Health Sciences, Hokkaido University, Kita 12, Nishi 7, Kita-ku, Sapporo, Hokkaido 060-0812, Japan.
This cross-sectional study investigated associations between exposure to organophosphate flame retardants and plasticizers (PFRs) and reproductive and steroid hormones in peripubertal children from the Hokkaido Birth Cohort (429 children aged 9-12 years; between September 2017 and March 2020). Thirteen urinary PFR metabolites and 14 plasma steroid hormones were investigated using LC-MS/MS and four reproductive hormones were investigated using immunoassays. Linear regression for single PFR, quantile g-computation, and Bayesian machine kernel regression (BKMR) models for the PFR mixtures were used to examine the association between hormones and PFRs.
View Article and Find Full Text PDFEnviron Res
March 2025
Laboratório de Estudos Farmacológicos (LEF), Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, MG, Brazil; Laboratório de Zebrafish (ZebLab), Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, MG, Brazil; Departamento de Bioquímica, Farmacologia e Fisiologia, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, MG, Brazil; Programa de Pós-graduação em Ciências da Saúde (PGCS), Instituto de Ciências da Saúde, Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, MG, Brazil. Electronic address:
Glucocorticoids (GCs) are synthetic drugs widely used for treating several diseases with inflammatory pathophysiology. In general, 1-20% of the concentration of GCs initially administered is eliminated unchanged in the urine while still in its active form, and therefore, fractions of GCs are constantly released in effluents. Currently, water treatment plants do not have sufficiently effective technologies to remove these substances completely, favoring the presence of these emerging pollutants in the effluents of wastewater treatment plants.
View Article and Find Full Text PDFF S Sci
February 2025
Department of Obstetrics & Gynecology, Oregon Health & Science University, Portland, Oregon, USA; Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Beaverton, Oregon, USA. Electronic address:
Objective: To determine the effect of an obesogenic Western-style diet and hyperandrogenemia on ovarian outcomes.
Design: Experimental, controlled animal study SUBJECTS: Post-pubertal rhesus macaque females EXPOSURE: A Western-style diet (T+WSD: 36% fat, 45% carbohydrate, 18% protein) combined with exogenously administered testosterone versus a standard chow diet (Control, CTRL; 15% fat, 59% carbohydrate, 27% protein). Animals underwent controlled ovarian stimulations to assess ovarian follicle development.
Eur J Psychotraumatol
December 2025
Department of Psychotherapy and Psychosomatic Medicine, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany.
Steroid hormone dysregulations have frequently been implicated in posttraumatic stress disorder (PTSD) pathogenesis. However, the translation into naturalistic clinical settings as markers of symptomatology and treatment success remains complex. Particularly, there is little longitudinal data on steroid secretion over the course of interventions.
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