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[Pathologies of joint endoprostheses : Histopathological diagnostics for endoprosthetic centers].
Pathologie (Heidelb)
January 2025
Orthopädische Klinik und Poliklinik, Universitätsmedizin Rostock, Rostock, Deutschland.
Joint endoprosthetics is one of the most successful surgical-orthopedic procedures worldwide, enabling pain reduction and complete restoration of mobility. In the Federal Republic of Germany, around 400,000 joint endoprostheses, hip and knee joints are currently implanted every year ( https://www.eprd.
View Article and Find Full Text PDFVancomycin-Resistant Enterococcus faecium: A current perspective on resilience, adaptation, and the urgent need for novel strategies.
J Glob Antimicrob Resist
January 2025
UCIBIO, Unidade de Ciências Biomoleculares Aplicadas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal; Laboratório Associado i4HB, Instituto para a Saúde e a Bioeconomia, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal; UCIBIO, Unidade de Ciências Biomoleculares Aplicadas, Instituto Universitário de Ciências da Saúde (1H-TOXRUN, IUCS-CESPU), Gandra, Portugal. Electronic address:
Vancomycin-resistant Enterococcus faecium (VREfm) has become a critical opportunistic pathogen, urgently requiring new antimicrobial strategies due to its rising prevalence and significant impact on patient safety and healthcare costs. VREfm continues to evolve through mutations and the acquisition of new genes via horizontal gene transfer, contributing to resistance against several last-resort antibiotics. Although primarily hospital-associated, VREfm is also detected in the community, food chain, livestock, and environmental sources like wastewater, indicating diverse transmission pathways and the need for a One Health approach.
View Article and Find Full Text PDFAntimicrobial and antibiofilm activity of prepared thymol@UIO-66 and thymol/ZnONPs@UIO-66 nanoparticles against Methicillin-resistant Staphylococcus aureus: A synergistic approach.
Colloids Surf B Biointerfaces
January 2025
Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Electronic address:
This study introduces a novel approach to enhance the antibacterial properties of UIO-66 by incorporating both Thymol and ZnO nanoparticles within its framework which represents a significant advancement like exhibiting a synergistic antibacterial effect, providing a prolonged and controlled release, and mitigating cytotoxicity associated with the release of free ZnO nanoparticles by combining these two antimicrobial agents within a single, well-defined metal-organic framework. UIO-66 frameworks are investigated as carriers for the natural antimicrobial agent, Thymol, and ZnONPs offering a novel drug delivery system for antibacterial applications. Results demonstrated 132, 90, 184, and 223 nm sizes for UIO-66, ZnONPs, UIO-66 encapsulated Thymol, and UIO-66 encapsulated both Thymol and ZnONPs, respectively.
View Article and Find Full Text PDFTwo new enzymes that liberate undecaprenyl-phosphate to replenish the carrier lipid pool during envelope stress.
mBio
January 2025
Department of Microbiology, Harvard Medical School, Boston, Massachusetts, USA.
The 55-carbon isoprenoid, undecaprenyl-phosphate (UndP), is a universal carrier lipid that ferries most glycans and glycopolymers across the cytoplasmic membrane in bacteria. In addition to peptidoglycan precursors, UndP transports O-antigen, capsule, wall teichoic acids, and sugar modifications. How this shared but limited lipid is distributed among competing pathways is just beginning to be elucidated.
View Article and Find Full Text PDFAdvances in gastrointestinal vascular bleeding disorders: Successful sirolimus treatment in colonic angioectasia.
World J Gastroenterol
January 2025
Department of Gastroenterology, Air Force Medical Center, Beijing 100142, China.
Background: Gastrointestinal (GI) vascular bleeding disorders pose significant clinical challenges due to their complex pathogenesis and varied treatment responses. Despite advancements in diagnostic and therapeutic techniques, optimal management strategies remain elusive, necessitating further research.
Aim: To assess research trends and clinical advancements in GI vascular bleeding disorders, highlighting key themes and therapeutic progress.
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