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Fabrication of Hypoxia-Mimicking Supramolecular Hydrogels for Cartilage Repair.
ACS Appl Bio Mater
January 2025
Regenerative Medicine and Stem Cell Laboratory (RMS), Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi 502 284, Telangana, India.
Despite advancements in chronic arthritis treatment, there remains a significant demand for advanced nanotechnologies capable of efficiently delivering a wide range of therapeutic agents to provide symptomatic relief and facilitate the healing of inflamed cartilage tissue. Considering the significant impact of hypoxia on the development and maintenance of chondral tissue, replicating its effects on stem cells could be a potential approach for the treatment of osteoarthritis (OA). Cobalt is a prominent hypoxia-inducing agent, owing to its ability to activate the hypoxia-inducible factor (HIF) pathway regardless of cellular oxygen levels.
View Article and Find Full Text PDFMesenchymal Stem Cell-conditioned Medium Attenuated CoCl2-induced Injury of Renal Tubular Epithelial Cells by Inhibiting NCOA1, HIF-1α, and Sox9.
Curr Pharm Des
January 2025
Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, China.
Backgrounds: Renal interstitial fibrosis (RIF) constitutes the ultimate pathological alteration in nearly all chronic kidney diseases (CKD). Mesenchymal stem cell conditioned medium (MSC-CM) exhibits an alleviating impact on renal fibrosis; however, the underlying mechanism remains unclear. The objective of this study was to explore whether MSC-CM regulates the expression of α-smooth muscle actin (α-SMA), Transforming growth factor-β1 (TGF-β1), Hypoxia-inducible factor-1α (HIF-1α), Nuclear receptor coactivators (NCOA1), and SRY-related high mobility (Sox9).
View Article and Find Full Text PDFRadiocobalt-Labeling of a Polypyridylamine Chelate Conjugated to GE11 for EGFR-Targeted Theranostics.
Molecules
January 2025
Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
The overexpression of the epidermal growth factor receptor (EGFR) in certain types of prostate cancers and glioblastoma makes it a promising target for targeted radioligand therapy. In this context, pairing an EGFR-targeting peptide with the emerging theranostic pair comprising the Auger electron emitter cobalt-58m (Co) and the Positron Emission Tomography-isotope cobalt-55 (Co) would be of great interest for creating novel radiopharmaceuticals for prostate cancer and glioblastoma theranostics. In this study, GE11 (YHWYGYTPQNVI) was investigated for its EGFR-targeting potential when conjugated using click chemistry to N1-((triazol-4-yl)methyl)-N1,N2,N2-tris(pyridin-2-ylmethyl)ethane-1,2-diamine (TZTPEN).
View Article and Find Full Text PDFExploring the Mechanisms of Iron Overload-Induced Liver Injury in Rats Based on Transcriptomics and Proteomics.
Biology (Basel)
January 2025
Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
Iron is a trace element that is indispensable for the growth and development of animals. Excessive iron supplementation may lead to iron overload and elevated reactive oxygen species (ROS) production in animals, causing cellular damage. Nevertheless, the precise mechanism by which iron overload causes cell injury remains to be fully elucidated.
View Article and Find Full Text PDFSensitive Detection of Biomarker in Gingival Crevicular Fluid Based on Enhanced Electrochemiluminescence by Nanochannel-Confined CoO Nanocatalyst.
Biosensors (Basel)
January 2025
School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China.
The sensitive detection of inflammatory biomarkers in gingival crevicular fluid (GCF) is highly desirable for the evaluation of periodontal disease. Luminol-based electrochemiluminescence (ECL) immunosensors offer a promising approach for the fast and convenient detection of biomarkers. However, luminol's low ECL efficiency under neutral conditions remains a challenge.
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