ArticleJournal of orthopaedic surgery and research2023
Isorhynchophylline alleviates cartilage degeneration in osteoarthritis by activating autophagy of chondrocytes.
Article in Journal of orthopaedic surgery and research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 18 citations in OpenAlex.
- Calycosin alleviates ovariectomy-induced osteoporosis by promoting BMSCs autophagy via the PI3K/Akt/mTOR pathway.Naunyn-Schmiedeberg's archives of pharmacology · 2025Article
- Gossypol Acetic Acid Alleviates the Ferroptosis of Chondrocytes in Osteoarthritis by Inhibiting GPX4 Methylation.Current medicinal chemistry · 2025Article
- Chinese Massage (Tuina) Attenuates Knee Osteoarthritis by Modulating Autophagy-Related Cytokines: A Multidisciplinary Methodological Investigation.Journal of inflammation research · 2025Article
- Polydatin protects against articular cartilage degeneration by regulating autophagy mediated by the AMPK/mTOR signaling pathway.Histology and histopathology · 2024Article
- Luteolin regulating synthesis and catabolism of osteoarthritis chondrocytes via activating autophagy.Heliyon · 2024Article
- Calebin A modulates inflammatory and autophagy signals for the prevention and treatment of osteoarthritis.Frontiers in immunology · 2024Article
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5 authors at 3 institutions in 1 country.
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Abstract
contextOsteoarthritis is a common degenerative disease, the cause of it is still unknown, and the treatment mainly focuses on improving symptoms. Studies have found that Isorhynchophylline (Isorhy) has antioxidant, anti-inflammatory, antiproliferative and neuroprotective effects.
objectiveThis study investigates the role and mechanism of Isorhy in OA.
methodsThe destabilized medial meniscus model was used to mimic OA. Fifteen male Sprague Dawley rats were partitioned into three portions: Normal group, OA group (surgery; normal saline treatment) and OA + Isorhy group (surgery; 50 μM Isorhy treatment) were performed on the first day of every week from the 5th to the 8th week after surgery. After 4 weeks of drug treatment, the rats have been processed without debridement of the knee specimens and fixed using 4% paraformaldehyde for two days. The morphological analysis was performed by H&E, Safranin O-Fast green staining and micro-CT analysis. The specimens were researched employing Micro-CT. In the part of the aggregate methods that were evaluated by qRT-PCR and western blot of the following proteins LC3II/LC3I, Beclin-1, ATG5, ATG7, MMP3 andMMP13. Akt/PI3K signaling related proteins (p-AKT, AKT, p-PI3K, PI3K, p-mTOR, mTOR) were detected by Western blot. BECLIN1 and MMP3 were detected by Immunofluorescence assay.
resultsIn this present research, it was proved that autophagy-related and cartilage matrix-related proteins in osteoarthritis could be regulated by Isorhynchophylline treatment. The transcriptome sequencing results suggested the regulation was closely associated with PI3K/AKT/mTOR pathway, thereby alleviating osteoarticular inflammation. In-depth study showed that Isorhy could also affect OA in rat OA models, that was indicated by H&E, Safranin O-Fast green staining, and also micro-CT analysis.
conclusionOur findings indicated that Isorhy could be regarded as a prospective candidate for OA treatment.
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