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Cadmium-cardiolipin disruption of respirasome assembly and redox balance through mitochondrial membrane rigidification.
J Lipid Res
January 2025
Physiology and Pathophysiology of Cells and Membranes, Medical School OWL, Bielefeld University, Bielefeld, Germany. Electronic address:
The environmental pollutant cadmium (Cd) poses a threat to human health through consumption of contaminated foodstuffs culminating in chronic nephrotoxicity. Mitochondrial dysfunction and excessive reactive oxygen species (ROS) are key to Cd cellular toxicity. Cd-lipid interactions have been less considered.
View Article and Find Full Text PDFLipid Coating Modulates Effects of Nanoceria on Oxidative Metabolism in Human Embryonic Lung Fibroblasts: A Case of Cardiolipin.
Biomolecules
January 2025
Research Centre for Medical Genetics, ul. Moskvorechye 1, Moscow 115522, Russia.
The unique redox properties of nanoscale cerium dioxide determine its diverse application in biology and medicine as a regulator of oxidative metabolism. Lipid modifiers of the nanoparticle surface change their biochemical properties and bioavailability. Complexes with lipids can be formed upon contact of the nanoparticles with the membrane.
View Article and Find Full Text PDFDysfunctional copper homeostasis in affects genomic and neuronal stability.
Redox Biochem Chem
December 2024
Food Chemistry with Focus on Toxicology, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Germany.
While copper (Cu) is an essential trace element for biological systems due to its redox properties, excess levels may lead to adverse effects partly due to overproduction of reactive species. Thus, a tightly regulated Cu homeostasis is crucial for health. Cu dyshomeostasis and elevated labile Cu levels are associated with oxidative stress and neurodegenerative disorders, but the underlying mechanisms have yet to be fully characterized.
View Article and Find Full Text PDFInhibition of intracellular versus extracellular cathepsin D differentially alters the liver lipidome of mice with metabolic dysfunction-associated steatohepatitis.
FEBS J
December 2024
Department of Genetics and Cell Biology, Institute of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, The Netherlands.
The prevalence of metabolic dysfunction-associated steatotic liver disease (MASLD) progressing to metabolic dysfunction-associated steatohepatitis (MASH), characterized by hepatic inflammation, has significantly increased in recent years due to unhealthy dietary practices and sedentary lifestyles. Cathepsin D (CTSD), a lysosomal protease involved in lipid homeostasis, is linked to abnormal lipid metabolism and inflammation in MASH. Although primarily intracellular, CTSD can be secreted extracellularly.
View Article and Find Full Text PDFGeneration of thiyl radicals in a spatiotemporal controlled manner by light: Applied for the cis to trans isomerization of unsaturated fatty acids/phospholipids.
Redox Biol
February 2025
Department of Chemistry, Brown University, Providence, RI, 02912, USA. Electronic address:
Thiyl radicals are important reactive sulfur species and can cause cis to trans isomerization on unsaturated fatty acids. However, biocompatible strategies for the controlled generation of thiyl radicals are still lacking. In this work, we report the study of a series of naphthacyl-derived thioethers as photo-triggered thiyl radical precursors.
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