Cells obtained from chicken embryos are often preferred for in vitro studies. These cells, which easily adapt to rapid and continuous growth in the appropriate cell culture environment, are thought to be one of the effective methods in the investigation of leg diseases that are frequently observed in poultry. Leg diseases, especially affecting the joints in chickens, cause locomotor problems and adversely affect animal welfare. In addition, they cause significant health problems and increase mortality. It is known that synovial fibroblasts play an important role in joint diseases. In this study, chicken embryonic synovial fibroblasts were isolated from tissue explants taken from the tibio-metatarsal joint region of brown layer chicken embryos. Characterization of cells was evaluated by immunocytochemistry and hemacolor staining. chicken embryonic synovial fibroblasts showed a strong positive reaction to the vimentin antibody. As a result of hemacolor staining, it was noted that the cell morphology was spindle-shaped. The absence of macrophages in chicken embryonic synovial fibroblast culture was confirmed by the carbon powder uptake. In this present study, we aim to present a useful cell culture protocol such as primary culture, passage, and characterization suitable for chicken embryonic synovial fibroblast to be used in the new scientific research.
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http://dx.doi.org/10.12834/VetIt.3030.21925.2 | DOI Listing |
J Transl Autoimmun
June 2025
Department of Biomedicine, Aarhus University, Denmark.
The family of heterodimeric CD11/CD18 integrins facilitate leukocyte adhesion and migration in a wide range of normal physiologic responses, as well as in the pathology of inflammatory diseases. Soluble CD18 (sCD18) is found mainly in complexes with hydrodynamic radii of 5 and 7.2 nm, suggesting a compositional difference.
View Article and Find Full Text PDFInt J Mol Sci
January 2025
Department of Physiology, Pomeranian Medical University, 70-111 Szczecin, Poland.
Rheumatoid arthritis (RA) is a chronic autoimmune disease that leads to joint damage and physical dysfunction. The pathogenesis of RA is highly complex, involving genetic, epigenetic, immune, and metabolic factors, among others. Over the years, research has highlighted the importance of non-coding RNAs (ncRNAs) in regulating gene expression.
View Article and Find Full Text PDFBiochem Biophys Res Commun
January 2025
Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan. Electronic address:
C-type natriuretic peptide (CNP) can be a new disease-modifying anti-osteoarthritis drug (DMOAD) candidate because intraarticular injection of CNP attenuates both articular cartilage degradation and persistent pain in a rat knee arthritis model. This study aimed to elucidate the underlying molecular mechanisms by which CNP protects the knee joint from osteoarthritic changes. Gene expression analyses indicated that CNP did not interfere with the expression of IL1β -responsive genes in rat primary synovial fibroblasts or the monocytic cell line, RAW264.
View Article and Find Full Text PDFJ Pers Med
January 2025
Department of Applied Science, South East Technological University, R93 V960 Carlow, Ireland.
This study investigated the inflammatory responses of fibroblast-like synoviocytes (FLS) isolated from osteoarthritis (OA) patients, stimulated with lipopolysaccharide (LPS) and interleukin-6 (IL-6). Both experimental and synthetic data were utilised to investigate the variability in IL-6 and myeloperoxidase (MPO) production and its implications for OA pathogenesis. Synovial biopsies were obtained from OA patients undergoing joint replacement surgery.
View Article and Find Full Text PDFJCI Insight
January 2025
Sensory & Motor System Medicine.
Osteoarthritis (OA) shows various clinical manifestations depending on the status of its joint components. We aimed to identify the synovial cell subsets responsible for OA pathophysiology by comprehensive analyses of human synovium samples in single-cell resolution. Two distinct OA synovial tissue groups were classified by gene expression profiles in RNA-Seq: inflammatory and fibrotic.
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