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Deciphering key nano-bio interface descriptors to predict nanoparticle-induced lung fibrosis.
Part Fibre Toxicol
January 2025
State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Suzhou Medical School, Soochow University, Suzhou, Jiangsu, 215123, China.
Background: The advancement of nanotechnology underscores the imperative need for establishing in silico predictive models to assess safety, particularly in the context of chronic respiratory afflictions such as lung fibrosis, a pathogenic transformation that is irreversible. While the compilation of predictive descriptors is pivotal for in silico model development, key features specifically tailored for predicting lung fibrosis remain elusive. This study aimed to uncover the essential predictive descriptors governing nanoparticle-induced pulmonary fibrosis.
View Article and Find Full Text PDFMAF1 inhibits hepatocarcinogenesis by fostering an immunostimulatory tumor microenvironment.
J Immunother Cancer
January 2025
State Key Laboratory of Oncology in South China, and Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China
Background: The biological significance of MAF1, a tumor suppressor, in carcinogenesis and immune response of hepatocellular carcinoma (HCC) remains unreported. Understanding the underlying mechanisms by which MAF1 enhances anti-tumor immunity in HCC is crucial for developing novel immunotherapy strategies and enhancing clinical responses to treatment for patients with HCC.
Methods: Mice were subjected to hydrodynamic tail vein injections of transposon vectors to overexpress AKT/NRas, or c-Myc, with or without wild-type (WT) or mutant-activated (-4A) MAF1, or short-hairpin MAF1 (shMAF1).
Parametric finite element modeling of reinforced polymeric leaflets for improved durability.
J Mech Behav Biomed Mater
January 2025
School of Materials Science and Engineering, Colorado State University, 700 Meridian Ave, Fort Collins, 80523, CO, USA. Electronic address:
Hyaluronic acid-enhanced polyethylene polymeric TAVR shows excellent in vivo anti-calcific, anti-thrombotic, and in vitro hydrodynamic performance. However, during durability testing, impact wear and fatigue cause early valve failure. Heart valve durability can be improved by strengthening the leaflet with fiber reinforcement.
View Article and Find Full Text PDFConfined cell migration along extracellular matrix space in vivo.
Proc Natl Acad Sci U S A
January 2025
Center for Complexity and Biosystems, Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy.
Collective migration of cancer cells is often interpreted using concepts derived from the physics of active matter, but the experimental evidence is mostly restricted to observations made in vitro. Here, we study collective invasion of metastatic cancer cells injected into the mouse deep dermis using intravital multiphoton microscopy combined with a skin window technique and three-dimensional quantitative image analysis. We observe a multicellular but low-cohesive migration mode characterized by rotational patterns which self-organize into antiparallel persistent tracks with orientational nematic order.
View Article and Find Full Text PDFSynthesis, characterization, and evaluation of copper-doped zinc oxide nanoparticles anticancer effects: in vitro and in vivo experiments.
BMC Cancer
January 2025
Finetech in Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran.
Background And Aim: Zinc oxide and copper oxide nanoparticles are known for their promising biological activities. This study aims to synthesize zinc oxide nanoparticles and copper-doped zinc oxide nanoparticles to harness the combined cytotoxic and anticancer effects of them in vitro and in vivo studies.
Methods: Zinc oxide nanoparticles, both doped and undoped, were synthesized using a chemical co-precipitation method.
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