Dietary fructose skews tumor-associated macrophages toward a pro-cancer phenotype in colorectal tumors.
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Dexmedetomidine Mitigates Acute Lung Injury by Enhancing M2 Macrophage Polarization and Inhibiting RAGE/Caspase-11-Mediated Pyroptosis.
Front Biosci (Landmark Ed)
December 2024
Department of Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, 400016 Chongqing, China.
Background: Acute lung injury (ALI) significantly impacts the survival rates in intensive care units (ICU). Releasing a lot of pro-inflammatory mediators during the progression of the disease is a core feature of ALI, which may lead to uncontrolled inflammation and further damages the tissues and organs of patients. This study explores the potential therapeutic mechanisms of Dexmedetomidine (Dex) in ALI.
View Article and Find Full Text PDFApplication of Macrophage Subtype Analysis in Acute Lung Injury/Acute Respiratory Distress Syndrome.
Front Biosci (Landmark Ed)
December 2024
Department of Pulmonary and Critical Care Medicine, The Sixth Medical Center of Chinese PLA General Hospital, 100048 Beijing, China.
Acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) is a common critical illness. Supportive therapy is still the main strategy for ALI/ARDS. Macrophages are the predominant immune cells in the lungs and play a pivotal role in maintaining homeostasis, regulating metabolism, and facilitating tissue repair.
View Article and Find Full Text PDFIdentifying Sequence Effects on Chain Dimensions of Disordered Proteins by Integrating Experiments and Simulations.
JACS Au
December 2024
Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland.
It has become increasingly evident that the conformational distributions of intrinsically disordered proteins or regions are strongly dependent on their amino acid compositions and sequence. To facilitate a systematic investigation of these sequence-ensemble relationships, we selected a set of 16 naturally occurring intrinsically disordered regions of identical length but with large differences in amino acid composition, hydrophobicity, and charge patterning. We probed their conformational ensembles with single-molecule Förster resonance energy transfer (FRET), complemented by circular dichroism (CD) and nuclear magnetic resonance (NMR) spectroscopy as well as small-angle X-ray scattering (SAXS).
View Article and Find Full Text PDFIsolation of Viral Biofilms From HTLV-1 Chronically Infected T Cells and Integrity Analysis.
Bio Protoc
December 2024
Infectious Disease Research Institute of Montpellier (IRIM), UMR 9004 CNRS, University of Montpellier, Montpellier, France.
The human T-lymphotropic virus type-1 (HTLV-1) is an oncogenic retrovirus that predominantly spreads through cell-to-cell contact due to the limited infectivity of cell-free viruses. Among various modes of intercellular transmission, HTLV-1 biofilms emerge as adhesive structures, polarized at the cell surface, which encapsulate virions within a protective matrix. This biofilm is supposed to facilitate simultaneous virion delivery during infection.
View Article and Find Full Text PDFNonionic Amphiphilic Copolymers of Poly(poly(ethylene Glycol) Methacrylate) Brushes with Methyl Methacrylate Prepared by Atom Transfer Radical Polymerization as Dry Solid Polymer Electrolytes for Next Generation Li-ion Battery Applications.
ACS Appl Energy Mater
December 2024
Department of Chemical and Environmental Process Engineering, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, Budapest H-1111, Hungary.
Amphiphilic copolymers of comb-like poly(poly(ethylene glycol) methacrylate) (PPEGMA) with methyl methacrylate (MMA) synthesized by one-pot atom transfer radical polymerization were mixed with lithium bis (trifluoromethanesulfonyl) imide salt to formulate dry solid polymer electrolytes (DSPE) for semisolid-state Li-ion battery applications. The PEO-type side chain length (EO monomer's number) in the PEGMA macromonomer units was varied, and its influence on the mechanical and electrochemical characteristics was investigated. It was found that the copolymers, due to the presence of PMMA segments, possess viscoelastic behavior and less change in mechanical properties than a PEO homopolymer with 100 kDa molecular weight in the investigated temperature range.
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