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The fibronectin-targeting PEG-FUD imaging probe shows enhanced uptake during fibrogenesis in experimental lung fibrosis.
Respir Res
January 2025
Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, 600 Highland Avenue, Madison, WI, 53792, USA.
Progressive forms of interstitial lung diseases, including idiopathic pulmonary fibrosis (IPF), are deadly disorders lacking non-invasive biomarkers for assessment of early disease activity, which presents a major obstacle in disease management. Excessive extracellular matrix (ECM) deposition is a hallmark of these disorders, with fibronectin being an abundant ECM glycoprotein that is highly upregulated in early fibrosis and serves as a scaffold for the deposition of other matrix proteins. Due to its role in active fibrosis, we are targeting fibronectin as a biomarker of early lung fibrosis disease activity via the PEGylated fibronectin-binding polypeptide (PEG-FUD).
View Article and Find Full Text PDFHydrogel loaded with cerium-manganese nanoparticles and nerve growth factor enhances spinal cord injury repair by modulating immune microenvironment and promoting neuronal regeneration.
J Nanobiotechnology
January 2025
Department of Orthopedics, Huashan Hospital, Fudan University, No. 12, Middle Wulumuqi Road, Jing'an District, Shanghai, 200040, China.
Background: Spinal cord injury (SCI) treatment remains a formidable challenge, as current therapeutic approaches provide only marginal relief and fail to reverse the underlying tissue damage. This study aims to develop a novel composite material combining enzymatic nanoparticles and nerve growth factor (NGF) to modulate the immune microenvironment and enhance SCI repair.
Methods: CeMn nanoparticles (NP) and CeMn NP-polyethylene glycol (PEG) nanozymes were synthesized via sol-gel reaction and DSPE-mPEG modification.
Self-assembly of multi-arm star PEG containing TXA9 into nanoparticle for the efficient chemotherapy of NSCLC.
Drug Deliv Transl Res
January 2025
Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Meteria Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.
TXA9, a cardiac glycoside isolated from the root of Streptocaulon juventas (Lour.) Merr., with better therapeutic effect in vitro on non-small cell lung cancer (NSCLC) than cisplatin and has no toxic side effects on the body.
View Article and Find Full Text PDFOptimized breath analysis: customized analytical methods and enhanced workflow for broader detection of VOCs.
Metabolomics
January 2025
Owlstone Medical Ltd., Cambridge, UK.
Introduction: Breath Volatile organic compounds (VOCs) are promising biomarkers for clinical purposes due to their unique properties. Translation of VOC biomarkers into the clinic depends on identification and validation: a challenge requiring collaboration, well-established protocols, and cross-comparison of data. Previously, we developed a breath collection and analysis method, resulting in 148 breath-borne VOCs identified.
View Article and Find Full Text PDFRobust peptide/RNA complexes prepared with microfluidic mixing for pulmonary delivery by nebulisation.
Drug Deliv Transl Res
January 2025
UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
Small interfering RNA (siRNA) and messenger RNA (mRNA) have drawn considerable attention in recent years due to their ability to modulate the expression of specific disease-related proteins. However, it is difficult to find safe, robust, and effective RNA delivery systems suitable for pulmonary delivery to treat lung diseases. In this study, two cationic peptides, namely LAH4-L1 and PEGKL4, were employed as non-viral vectors for siRNA and mRNA delivery.
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