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TGR5 attenuates DOCA-salt hypertension through regulating histone H3K4 methylation of ENaC in the kidney.
Metabolism
January 2025
Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China; Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China. Electronic address:
Epithelial sodium channel (ENaC), located in the collecting duct principal cells of the kidney, is responsible for the reabsorption of sodium and plays a critical role in the regulation of extracellular fluid volume and consequently blood pressure. The G protein-coupled bile acid receptor (TGR5) is a membrane receptor mediating effects of bile acid and is implicated in kidney diseases. The current study aims to investigate whether TGR5 activation in the kidney regulated ENaC expression and potential mechanism.
View Article and Find Full Text PDFA comparative study on the antioxidant and antiglycation properties of different vitamin D forms.
Eur J Med Chem
January 2025
Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, 15-233, Bialystok, Poland. Electronic address:
Vitamin D plays multiple roles in the body. Recently, there has been an increase in its popularity and growing interest in vitamin D supplementation. However, the mechanisms of vitamin D action have not yet been sufficiently explored.
View Article and Find Full Text PDFFracture characteristics of human cortical bone influenced by the duration of glycation.
JBMR Plus
February 2025
Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany.
Advanced glycation end products (AGEs) accumulate in various tissues, including bone, due to aging and conditions like diabetes mellitus. To investigate the effects of AGEs on bone material quality and biomechanical properties, an study utilizing human tibial cortex, sectioned into 90 beams, and randomly assigned to three mechanical test groups was performed. Each test group included ribose ( = 0.
View Article and Find Full Text PDFAging-dependent temporal regulation of MIR156 epigenetic silencing by CiLDL1 and CiNF-YB8 in chrysanthemum.
New Phytol
January 2025
Frontiers Science Center for Molecular Design Breeding (MOE), Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China.
Temporal decline in microRNA miR156 expression is crucial for the transition to, and maintenance of, the adult phase and flowering competence in flowering plants. However, the molecular mechanisms underlying the temporal regulation of miR156 reduction remain largely unknown. Here, we investigated the epigenetic mechanism regulating the temporal silencing of cin-MIR156 in wild chrysanthemum (Chrysanthemum indicum), focusing on the role of the lysine-specific demethylase CiLDL1 and the nuclear factor Y complex.
View Article and Find Full Text PDFTubulin Acetylation Enhances Microtubule Stability in Trabecular Meshwork Cells Under Mechanical Stress.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, Duke Eye Center, Duke University, Durham, North Carolina, United States.
Purpose: To study the roles of tubulin acetylation and cyclic mechanical stretch (CMS) in trabecular meshwork (TM) cells and their impact on outflow pathway physiology and pathology.
Methods: Primary TM cell cultures were subjected to CMS (8% elongation, 24 hours), and acetylated α-tubulin at lysine 40 (Ac-TUBA4) was assessed by western blotting and immunofluorescence. Enzymes regulating tubulin acetylation were identified via siRNA-mediated knockdowns of ATAT1, HDAC6, and SIRT2.
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