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Multi-metal mixture exposure and cognitive function in urban older adults: The mediation effects of thyroid hormones.
Ecotoxicol Environ Saf
January 2025
Department of Sanitary Chemistry, School of Public Health, Guangxi Medical University, Nanning 530021, China; Guangxi Key Laboratory of Environmental Exposomics and Entire Lifecycle Health, Guilin Medical University, China. Electronic address:
The existing studies on the association between multi-metal mixture exposure and cognitive function in the older adults are limited and controversial, with no studies considering the mediating effect of thyroid hormones on the connection between them. This study of 441 urban older adults assessed 21 urinary metal levels and cognitive function using the Mini-Mental State Examination (MMSE). Urinary metal levels were measured via inductively coupled plasma mass spectrometry (ICP-MS), and thyroid hormones levels were obtained from medical records.
View Article and Find Full Text PDFRelationship of Thyroid Volume and Function with Carotid and Femoral Intima-Media Thickness in Euthyroid People Aged 18-65 Taking into Account the Impact of Diabetes, Hypertension, and Excess Body Mass.
J Clin Med
January 2025
Department of Internal Medicine, Angiology, and Physical Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Batorego 15 St., 41-902 Bytom, Poland.
The interrelationship of thyroid volume and function with features of cardiovascular dysfunction has already been investigated but some aspects remain unclear, especially in terms of subclinical cardiovascular dysfunction in euthyroid patients. Intima-media thickness (IMT) measurement in ultrasound B-mode imaging in different vascular beds (most frequently within the common carotid artery) is one of the most important tools for the detection of subclinical atherosclerosis in both clinical practice and research. This article aimed to present the results of our research on the association between the thyroid evaluation parameters and the IMT measured in both the carotid and femoral arteries in euthyroid patients aged 18 to 65 years taking into account the influence of diabetes, hypertension, and excess body mass.
View Article and Find Full Text PDFEffect of a Low-Molecular-Weight Allosteric Agonist of the Thyroid-Stimulating Hormone Receptor on Basal and Thyroliberin-Stimulated Activity of Thyroid System in Diabetic Rats.
Int J Mol Sci
January 2025
Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg 194223, Russia.
The approaches to correct thyroid deficiency include replacement therapy with thyroid hormones (THs), but such therapy causes a number of side effects. A possible alternative is thyroid-stimulating hormone (TSH) receptor activators, including allosteric agonists. The aim of this work was to study the effect of ethyl-2-(4-(4-(5-amino-6-(-butylcarbamoyl)-2-(methylthio)thieno[2,3-d]pyrimidin-4-yl)phenyl)--1,2,3-triazol-1-yl) acetate (TPY3m), a TSH receptor allosteric agonist developed by us, on basal and thyroliberin (TRH)-stimulated TH levels and the hypothalamic-pituitary-thyroid (HPT) axis in male rats with high-fat diet/low-dose streptozotocin-induced type 2 diabetes mellitus (T2DM).
View Article and Find Full Text PDFAptamer-antibody sandwich immunosensor for electrochemical detection of FT4.
Mikrochim Acta
January 2025
College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang, 050018, P. R. China.
An aptamer-antibody sandwich electrochemical immunosensor was studied. FeO/MWCNTs-COOH/Nafion was modified and fixed on a glassy carbon electrode to amplify electrical signals. The antibody was coupled with AuNPs to form conjugates.
View Article and Find Full Text PDFImpact of Experimental Congenital Toxoplasmosis on the Thyroid Gland: Histopathological and Immunobiochemical Indices Assessment.
Acta Parasitol
January 2025
Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
Purpose: The thyroid gland is one of the most vital endocrine organs. It is responsible for the synthesis and secretion of hormones principally triiodothyronine (T3) and thyroxine (T4). These hormones play a significant role in the functions and the metabolism of the body.
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