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Diacylation of Peptides Enables the Construction of Functional Vesicles for Drug-Carrying Liposomes.
Angew Chem Int Ed Engl
January 2025
University of California, San Diego, Chemistry and Biochemistry, 9500 Gilman Drive, Urey Hall 4120, 92093, La Jolla, UNITED STATES OF AMERICA.
Membrane-forming phospholipids are generated in cells by enzymatic diacylation of non-amphiphilic polar head groups. Analogous non-enzymatic processes may have been relevant at the origin of life and could have practical utility in membrane synthesis. However, aqueous head group diacylation is challenging in the absence of enzymes.
View Article and Find Full Text PDFSecond-Generation Antipsychotics Induce Metabolic Disruption in Adipose Tissue-Derived Mesenchymal Stem Cells Through an aPKC-Dependent Pathway.
Cells
December 2024
Department of Translational Medicine, Centre of Excellence in Aging Sciences, University of Piemonte Orientale, 28100 Novara, Italy.
Metabolic syndrome (MetS) is a cluster of metabolic abnormalities, including visceral obesity, dyslipidemia, and insulin resistance. In this regard, visceral white adipose tissue (vWAT) plays a critical role, influencing energy metabolism, immunomodulation, and oxidative stress. Adipose-derived stem cells (ADSCs) are key players in these processes within vWAT.
View Article and Find Full Text PDFPartitioning of fatty acids between membrane and storage lipids controls ER membrane expansion.
EMBO J
January 2025
Cambridge Institute for Medical Research, University of Cambridge, Cambridge, CB2 0XY, UK.
Biogenesis of membrane-bound organelles involves the synthesis, remodeling, and degradation of their constituent phospholipids. How these pathways regulate organelle size remains poorly understood. Here we demonstrate that a lipid-degradation pathway inhibits expansion of the endoplasmic reticulum (ER) membrane.
View Article and Find Full Text PDFACSL3 is an unfavorable prognostic marker in cholangiocarcinoma patients and confers ferroptosis resistance in cholangiocarcinoma cells.
NPJ Precis Oncol
December 2024
Center of Excellence for Cancer and Inflammation, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.
Cholangiocarcinoma (CCA) is a bile duct malignancy. Our previous comprehensive analysis showed that ferroptosis-related genes can stratify CCA patients into low-risk and high-risk groups based on survival time. Here, we explored the role of ferroptosis in CCA by analyzing mRNA expression in CCA patients from public databases.
View Article and Find Full Text PDFBackground: Lipid droplets (LDs) are organelles consisting of a central core of neutral lipids covered by a single layer of phospholipids and are found in most eukaryotic cells. Accumulating evidence suggests that LDs not only store neutral lipids but also coordinate with other organelles for lipid metabolism within cells.
Methods: This review focuses on the synthesis of LDs during follicular development and highlights the factors involved in the regulation of LD biogenesis within the ovary.
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