Algorithm of qualitative description of crystallographic aggregations of mixed saliva was developed. The efficiency of this method for the diagnosis of gastrointestinal diseases was demonstrated.
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Awakening not associated with an increased rate of cortisol secretion.
Proc Biol Sci
January 2025
Laboratory for Integrative Neuroscience and Endocrinology, University of Bristol, Bristol BS1 3NY, UK.
Cortisol is released upon activation of the hypothalamic-pituitary-adrenal axis, varies across the day, possesses an underlying diurnal rhythm and is responsive to stressors. The endogenous circadian peak of cortisol occurs in the morning, and increases in cortisol observed post-awakening have been named the cortisol awakening response (CAR) based on the belief that the act of waking up stimulates cortisol secretion. However, objective evidence that awakening induces cortisol secretion is limited.
View Article and Find Full Text PDFRepair bond strength of composite resin to CAD/CAM glass-ceramic: influence of cleaning methods, surface treatments, and aging.
J Dent
January 2025
DDS, MS, PhD, Department of Dentistry, Federal University of Rio Grande do Norte, Natal, Brazil. Electronic address:
Objective: To evaluate the influence of different cleaning methods, surface treatments, and aging on the repair bond strength to a CAD/CAM glass-ceramic.
Materials And Methods: Forty-eight lithium disilicate CAD/CAM ceramic blocks were fabricated, sintered, and embedded in acrylic resin. After contamination with human saliva, they were divided according to the factors "Cleaning method" (Control-water/air spray, Air-particle abrasion with AlO, Ivoclean cleaning paste), "Surface treatment" (5% Hydrofluoric acid-HF + Silane, Monobond Etch & Prime-MEP), and "Aging" (thermocycling, no thermocycling).
Early Alterations of Cytoskeletal Proteins Induced by Radiation Therapy in the Parenchymal Cells of Rat Major Salivary Glands: A Comparative Immunohistochemical Analysis.
Cureus
December 2024
Department of Basic and Clinical Oral Sciences, Umm Al-Qura University, Makkah, SAU.
Objectives: Head and neck malignancies (HNMs) encompass a variety of cancers that affect the oral and para-oral tissues, the most common of which are squamous cell carcinomas. Radiotherapy is commonly used to treat these cancers, often involving radiation exposure to the salivary glands. This study aims to investigate the early impacts of radiotherapy on the internal microstructure of the salivary gland cells and identify which gland exhibits the highest level of radiosensitivity.
View Article and Find Full Text PDFGenetic variants in COMT and ESR1 genes shape treatment response to raloxifene in schizophrenia-spectrum disorders.
Psychoneuroendocrinology
January 2025
Department of Psychiatry, University Medical Center Groningen, Groningen, the Netherlands.
Background/objective: Raloxifene, a selective estrogen receptor modulator (SERM), may improve symptoms and cognition in schizophrenia spectrum disorders (SSD). Studies have shown inconsistent efficacy, especially in men with SSD. We assessed whether single nucleotide polymorphisms (SNPs) on genes involved in the pharmacodynamics (ESR1 and COMT) and pharmacokinetics (UGT1A8) of raloxifene can explain the heterogeneous treatment response to raloxifene augmentation in patients with SSD.
View Article and Find Full Text PDFThe effect of mortality salience and early-life maternal care on neuroendocrine, autonomic, and psychological stress responses.
Sci Rep
January 2025
Department of Psychology, Division of Neuropsychology, University of Constance, Fach 905, Universitaetsstrasse 10, 78464, Constance, Germany.
Adverse early-life experiences alter the regulation of major stress systems such as the hypothalamic-pituitary-adrenal (HPA) axis. Low early-life maternal care (MC) has repeatedly been related to blunted cortisol stress responses. Likewise, an acutely increased awareness of mortality (mortality salience [MS]) also has been shown to blunt cortisol responses.
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