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Effect 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 PDFModulates mRNA Expression of Through Multiple Signaling Pathways Related to Glycolysis in GT1-7 Cells.
Animals (Basel)
January 2025
School of Agriculture and Biology, Liaocheng University, Liaocheng 252059, China.
and miRNA regulate mammalian pubertal initiation and Gonadotropin-releasing hormone (GnRH) production. However, it remains unclear which signaling pathways regulates to modulate GnRH production. In this study, the mRNA expression levels of and in the pubertal and juvenile goat hypothalamus and pituitary gland were detected, and expression in the pubertal hypothalamus decreased significantly compared with that in juvenile tissues.
View Article and Find Full Text PDFLetter to the Editor. Sacrificing the pituitary stalk: choice or coercion?
J Neurosurg
January 2025
Neurosurgical Research Network (NRN), Universal Scientific Education and Research Network (USERN), Tehran University of Medical Sciences, Tehran, Iran.
Characterization and comparison of fecal microbiota in horses with pituitary pars intermedia dysfunction and age-matched controls.
J Vet Intern Med
January 2025
School of Veterinary Science, The University of Queensland, Gatton, Queensland, Australia.
Background: Altered gut microbiota has been associated with dopaminergic degenerative diseases in people, but studies on horses with pituitary pars intermedia dysfunction (PPID) are lacking.
Hypothesis/objectives: Investigate the effect of PPID on fecal microbiota in horses.
Animals: Nine horses with PPID and 13 age-matched control horses.
Cholecystokinin (CCK) Is a Mediator Between Nutritional Intake and Gonadal Development in Teleosts.
Cells
January 2025
Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
Nutritional intake is closely linked to gonadal development, although the mechanisms by which food intake affects gonadal development are not fully understood. Cholecystokinin (CCK) is a satiety neuropeptide derived from the hypothalamus, and the present study observed that hypothalamic CCK expression is significantly influenced by food intake, which is mediated through blood glucose levels. Interestingly, CCK and its receptors were observed to exhibit a high expression in the hypothalamus-pituitary-gonad (HPG) axis of grass carp (), suggesting that CCK is potentially involved in regulating fish reproduction through the HPG axis.
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