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[Severe malnutrition during pregnancy complicated with acute pyelonephritis causing sepsis, refractory septic shock and multiple organ failure: A case report].
Beijing Da Xue Xue Bao Yi Xue Ban
February 2025
Department of Critical Care Medicine, Peking University First Hospital, Beijing 100034, China.
This study reports the diagnosis and treatment of a 26-year-old pregnant woman with severe malnutrition combined with acute pyelonephritis causing sepsis, refractory septic shock and multiple organ failure. A female patient, 26 years old, was admitted to hospital mainly due to "menelipsis for more than 19 weeks, nausea and vomiting for 20 days, fever with fatigue for 3 days". At the end of 19 weeks of intrauterine pregnancy, the patient presented with fever accompanied by urinary tract irritation.
View Article and Find Full Text PDFA Fused Membrane-Camouflaged Biomimetic Nanosystem for Dual-Targeted Therapy of Septic Arthritis.
Small
January 2025
Sports Medicine Center, West China Hospital, Sichuan University, Chengdu, 610041, China.
Due to the inherent aseptic and enclosed characteristics of joint cavity, septic arthritis (SA) almost inevitably leads to intractable infections and rapidly progressing complex pathological environments. Presently, SA faces not only the deficient effectiveness of the gold-standard systemic antibiotic therapy but also the scarcity of effective localized targeted approaches and standardized animal models. Herein, an ingenious multifunctional nanosystem is designed, which involves the methylation of hyaluronic acid (HA), copolymerization with DEGDA, loading with vancomycin (VAN), and then coating with fused macrophage-platelet membrane (denoted as FM@HA@VAN).
View Article and Find Full Text PDFNovel hybrid system based on carboxymethyl chitosan hydrogel encapsulating drug loaded nanoparticles for prolonged release of Vancomycin in the treatment of bacterial infection.
J Pharm Sci
January 2025
Institut Europeen des Membranes, IEM, UMR 5635, Univ Montpellier, CNRS, ENSCM, 34095, Montpellier, France. Electronic address:
Current bacterial infections clinical treatments, such as intravenous antibiotic administration and local injection, suffer from short action duration, repeated administrations, and severe cell toxicity. To address these limitations, it is imperative to develop sustained drug release system with prolonged antimicrobial effects. In this work, a hybrid system was prepared using EDC/NHS catalyzed crosslinking-based carboxymethyl chitosan (CMCS) hydrogel as a carrier to encapsulate biodegradable nanoparticles (NPs) loaded with vancomycin, an efficient antibacterial drug.
View Article and Find Full Text PDFInjectable vancomycin loaded hyaluronic acid-chitosan hydrogel for the treatment of Staphylococcus aureus septic arthritis.
Carbohydr Res
January 2025
School of Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, 682041, India. Electronic address:
Staphylococcus aureus (S. aureus) is a Gram positive opportunistic pathogen and a major cause for bacterial septic arthritis. Vancomycin is the preferred antibiotic for the treatment of methicillin resistance S.
View Article and Find Full Text PDFExplainable deep learning and virtual evolution identifies antimicrobial peptides with activity against multidrug-resistant human pathogens.
Nat Microbiol
January 2025
School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China.
Artificial intelligence (AI) is a promising approach to identify new antimicrobial compounds in diverse microbial species. Here we developed an AI-based, explainable deep learning model, EvoGradient, that predicts the potency of antimicrobial peptides (AMPs) and virtually modifies peptide sequences to produce more potent AMPs, akin to in silico directed evolution. We applied this model to peptides encoded in low-abundance human oral bacteria, resulting in the virtual evolution of 32 peptides into potent AMPs.
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