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The pseudorabies virus UL13 protein kinase triggers phosphorylation of the RNA demethylase FTO, which is associated with FTO-dependent suppression of interferon-stimulated gene expression.
J Virol
January 2025
Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
Alpha-ketoglutarate-dependent dioxygenase, also known as fat mass and obesity-associated protein (FTO), is an RNA demethylase that mediates the demethylation of N,2-O-dimethyladenosine (m6Am) and N-methyladenosine (m6A). Both m6Am and m6A are prevalent modifications in mRNA and affect different aspects of transcript biology, including splicing, nuclear export, translation efficiency, and degradation. The role of FTO during (herpes) virus infection remains largely unexplored.
View Article and Find Full Text PDFSubstance P and neurokinin 1 receptor boost the pathogenicity of granulocyte-macrophage colony-stimulating factor-producing T helper cells in dry eye disease.
Scand J Immunol
January 2025
Department of Ophthalmology, Shanghai Jiangong Hospital, Shanghai, China.
Dry eye disease (DED) is an inflammatory disorder in which CD4 T cells play a significant role in its pathogenesis. A CD4 T cell subset termed granulocyte-macrophage colony-stimulating factor-producing T helper (ThGM) cells would contribute to DED pathogenesis. However, the mechanisms by which the activity of ThGM cells is modulated are not thoroughly understood.
View Article and Find Full Text PDFMETTL3-Mediated m6A Modification of ISG15 mRNA Regulates Doxorubicin-Induced Endothelial Cell Apoptosis.
J Cell Mol Med
January 2025
Zhengzhou Key Laboratory of Cardiovascular Aging, Henan Province Key Laboratory for Prevention and Treatment of Coronary Heart Disease, National Health Commission key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, China.
N6-adenosine methylation (m6A) of RNA is involved in the regulation of various diseases. However, its role in chemotherapy-related vascular endothelial injury has not yet been elucidated. We found that methyltransferase-like 3 (METTL3) expression was significantly reduced during doxorubicin (DOX)-induced apoptosis of vascular endothelial cells both in vivo and in vitro, and that silencing of METTL3 further intensified this process.
View Article and Find Full Text PDFDendrimer-Mediated Generation of a Metal-Phenolic Network for Antibody Delivery to Elicit Improved Tumor Chemo/Chemodynamic/Immune Therapy.
ACS Appl Mater Interfaces
January 2025
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China.
To simplify the composition and improve the efficacy of metal-phenolic network (MPN)-based nanomedicine, herein, we designed an MPN platform to deliver programmed death ligand-1 (PD-L1) antibody (anti-PD-L1) for combined tumor chemo/chemodynamic/immune therapy. Here, generation 5 poly(amidoamine) dendrimers conjugated with gossypol (Gos) through boronic ester bonds were used as a synthetic polyphenol to coordinate Mn, and then complexed with anti-PD-L1 to obtain the nanocomplexes (for short, DPGMA). The prepared DPGMA exhibited good water dispersibility with a hydrodynamic size of 166.
View Article and Find Full Text PDFBackground: People living with dementia (PWD) have upregulated inflammatory pathways, exaggerated metabolic aging, and cellular aging. They also have declines in physical function and heightened fall-risk. Understanding the physiologic factors that influence physical decline and fall-risk in PWD is vital to assess and prevent adverse health outcomes, such as future falls.
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