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The objective of this study was to investigate the effect of low-molecular-weight fish collagen (valine-glycine-proline-hydroxyproline-glycine-proline-alanine-glycine; LMWCP) on HO- or LPS-treated primary chondrocytes and monoiodoacetate (MIA)-induced osteoarthritis rat models. Our findings indicated that LMWCP treatment exhibited protective effects by preventing chondrocyte death and reducing matrix degradation in both HO-treated primary chondrocytes and cartilage tissue from MIA-induced osteoarthritis rats. This was achieved by increasing the levels of aggrecan, collagen type I, collagen type II, TIMP-1, and TIMP-3, while simultaneously decreasing catabolic factors such as phosphorylation of Smad, MMP-3, and MMP-13. Additionally, LMWCP treatment effectively suppressed the activation of inflammation and apoptosis pathways in both LPS-treated primary chondrocytes and cartilage tissue from MIA-induced osteoarthritis rats. These results suggest that LMWCP supplementation ameliorates the progression of osteoarthritis through its direct impact on inflammation and apoptosis in chondrocytes.
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http://dx.doi.org/10.3390/md21120608 | DOI Listing |
Osteoarthritis Cartilage
September 2025
Department of Inflammation and Ageing, School of Infection, Inflammation and Immunology, College of Medicine and Health, University of Birmingham, Birmingham B15 2TT, United Kingdom; National Institute for Health and Care Research (NIHR) Birmingham Biomedical Research Centre, UK. Electronic address:
Objective: To investigate the inflammatory profiles of adipose tissues from patients with osteoarthritis (OA), comparing the joint-associated adipose tissues, infrapatellar fat pad (IFP) and sub-synovial (SSAT)with subcutaneous adipose tissue (SCAT), and to explore adipose-joint cell crosstalk.
Design: RNA sequencing was performed on autologous IFP, SSAT, and SCAT from six patients. The adipose tissue secretome was profiled using targeted proteomics.
Adv Healthc Mater
September 2025
Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, P. R. China.
Oxidative stress imbalance and inadequate lubrication are the primary symptoms of osteoarthritis (OA), and they are also significant factors contributing to the progression of OA. Herein, an injectable hydrogel microsphere designed is presented to mitigate the progression of OA, comprising gelatin methacryloyl (GelMA), methacrylated hyaluronic acid (HAMA), 3-acrylamide-phenylboronic acid (3-AAPBA), chitin nanocrystals (ChNCs), and naringin (Nar). Specifically, positively charged ChNCs facilitated adhesion of microspheres to cartilage and enhanced their lubrication function.
View Article and Find Full Text PDFChin Med
September 2025
Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China.
Background: Osteoarthritis (OA), a chronic degenerative disease, is characterized by the loss of articular cartilage, impacting more than 500 million individuals worldwide. Sodium tanshinone IIA sulfonate (STS) is a water-soluble derivative of tanshinone IIA derived from Salvia miltiorrhiza and has anti-inflammatory and anti-oxidative functions. Although STS shows significant pharmacological effects and mechanisms in treating various diseases in vivo and in vitro, its specific treatments and mechanisms for OA remain largely unknown.
View Article and Find Full Text PDFPhytother Res
September 2025
Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
Endoplasmic reticulum stress (ERS) and chondrocyte apoptosis are recognized as critical pathological factors in the development of osteoarthritis (OA). Daidzin (DDZ), an isoflavone derived from soybean, exhibits antioxidant, anticancer, and anti-atherosclerotic properties. This research seeks to investigate the therapeutic potential and primary mechanisms of Daidzin using a murine Destabilization of the Medial Meniscus instability model and a TBHP-induced in vitro OA chondrocyte model.
View Article and Find Full Text PDFExp Mol Med
September 2025
Department of Orthopaedic Surgery, Guangzhou Key laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical Univer
Here we investigate the effects and mechanisms of eicosapentaenoic acid (EPA) in regulating chondrocyte mechanics during inflammation in the progression of osteoarthritis (OA). Primary porcine chondrocytes and human OA chondrocytes were isolated and cultured. Cell mechanical properties were measured using atomic force microscopy.
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