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Bottlebrush Pastes as a Platform for Solvent-Free, Injectable, and Shape-Persistent Materials with Tissue-Mimetic Viscoelasticity.
ACS Appl Mater Interfaces
January 2025
Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill 27599, United States.
Architecturally hindered crystallization of bottlebrush graft copolymers offers a reaction- and solvent-free pathway for creating injectable elastomers with tissue-mimetic softness. Currently, injectable materials involve solvents and chemical reactions, leading to uncontrolled swelling, leaching of unreacted moieties, and side reactions with tissue. To address this issue, bottlebrush copolymers with a poly(ethylene glycol) (PEG) amorphous block and crystallizable poly(lactic acid) (PLA) grafted chains (A--B) were synthesized, with grafted chains of controlled length arranged along the backbone at controlled spacing.
View Article and Find Full Text PDFDisproportionate adverse event signals of selumetinib in neurofibromatosis type I: insights from FAERS.
Front Pharmacol
January 2025
Department of Oncology, Zibo Municipal Hospital, Zibo, ShanDong, China.
Background: Neurofibromatosis type 1 (NF1) is a rare neurogenetic disorder with limited treatment options. Selumetinib, a MEK1/2 inhibitor, has emerged as a promising therapy for inoperable NF1-related plexiform neurofibromas.
Methods: Our retrospective pharmacovigilance study utilized the FDA Adverse Event Reporting System (FAERS) to comprehensively evaluate Selumetinib's safety profile in real-world settings.
LC-MS/MS assisted pharmacokinetic and tissue distribution study of ropivacaine and 3-OH-ropivacaine on rats after plane block anesthesia.
Front Pharmacol
January 2025
Department of Anaesthesiology and Intensive Care Medicine, Faculty of General Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, Târgu Mureș, Romania.
Knowledge of drug pharmacokinetics and tissue distribution is precious for ensuring patient safety and optimizing treatments. The varied use of local anesthetics, as well as the fact that anesthetics can sometimes have low therapeutic indices and numerous adverse drug reactions, makes any novel pharmacokinetics information valuable. The present manuscript describes a pharmacokinetic study of ropivacaine carried out after plane block anesthesia on an animal model, using high sensitivity, accurate, and precise LC-MS/MS bioanalysis.
View Article and Find Full Text PDFA case of kerion celsi caused by with dermatophytid reaction mimicking a drug eruption and endothrix infection confirmed in pathological tissue.
Med Mycol Case Rep
March 2025
Department of Dermatology, Tenri Hospital, 200 Mishima, Tenri, Nara, 632-8552, Japan.
We report a case of kerion celsi caused by in a teenage male judo athlete, presenting with a lesion in the occipital region. Following the initiation of systemic antifungal therapy, the patient developed a dermatophytid reaction, necessitating differentiation from a drug eruption. Direct microscopy of the affected area confirmed the presence of fungal elements, and histopathological examination revealed endothrix invasion, supporting the continuation of treatment.
View Article and Find Full Text PDFSuberosin attenuates rheumatoid arthritis by repolarizing macrophages and inhibiting synovitis via the JAK/STAT signaling pathway.
Arthritis Res Ther
January 2025
Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China.
Background: Rheumatoid arthritis (RA) is a systemic disease that primarily manifests as chronic synovitis of the symmetric small joints. Despite the availability of various targeted drugs for RA, these treatments are limited by adverse reactions, warranting new treatment approaches. Suberosin (SBR), isolated from Plumbago zeylanica-a medicinal plant traditionally used to treat RA in Asia-possesses notable biological activities.
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