ArticleMolecular medicine reports2019
Theaflavins prevent cartilage degeneration via AKT/FOXO3 signaling in vitro.
Article in Molecular medicine reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 17 citations in OpenAlex.
- From molecular mechanisms to translational applications: a parallel assessment of green and black tea modulation of oxidative stress.Nutrition & metabolism · 2025Review
- Integrative analyses of mendelian randomization and bioinformatics reveal casual relationship and genetic links between COVID-19 and knee osteoarthritis.BMC medical genomics · 2025Article
- Bioactive Compounds in Osteoarthritis: Molecular Mechanisms and Therapeutic Roles.International journal of molecular sciences · 2024Review
- Protein phosphatase SCP4 regulates cartilage development and endochondral osteogenesis via FoxO3a dephosphorylation.Cell proliferation · 2024Article
- Investigating Angiogenesis-Related Biomarkers in Osteoarthritis Patients Through Transcriptomic Profiling.Journal of inflammation research · 2024Article
- COL3A1, COL5A1 and COL6A2 serve as potential molecular biomarkers for osteoarthritis based on weighted gene co‑expression network analysis bioinformatics analysis.Experimental and therapeutic medicine · 2023Article
- Antioxidant Materials in Oral and Maxillofacial Tissue Regeneration: A Narrative Review of the Literature.Antioxidants (Basel, Switzerland) · 2023Review
- Theaflavin-3,3'-Digallate Inhibits Erastin-Induced Chondrocytes Ferroptosis via the Nrf2/GPX4 Signaling Pathway in Osteoarthritis.Oxidative medicine and cellular longevity · 2022Article
- Curcumin-primed human BMSC-derived extracellular vesicles reverse IL-1β-induced catabolic responses of OA chondrocytes by upregulating miR-126-3p.Stem cell research & therapy · 2021Article
- COL3A1 and MMP9 Serve as Potential Diagnostic Biomarkers of Osteoarthritis and Are Associated With Immune Cell Infiltration.Frontiers in genetics · 2021Article
- Reactive Oxygen Species-Based Biomaterials for Regenerative Medicine and Tissue Engineering Applications.Frontiers in bioengineering and biotechnology · 2021Review
- Theaflavin protects against oxalate calcium-induced kidney oxidative stress injury via upregulation of SIRT1.International journal of biological sciences · 2021Article
- Article
- Genome-Protecting Compounds as Potential Geroprotectors.International journal of molecular sciences · 2020Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Theaflavins (TFs) are the main bioactive polyphenols in tea and contribute to protection against oxidative stress. Excessive reactive oxygen species (ROS) accumulation can lead to the disruption of cartilage homeostasis. The present study examined the potential effects of TFs on H2O2‑induced cartilage degeneration in vitro. Cell Counting kit (CCK‑8) was used to determine cell viability, and flow cytometric analysis was used to detect ROS, apoptosis and DNA damage. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) and western blotting were used to detect the expression levels of target factors. The present study revealed that TFs effectively reduced the expression of catabolic factors, including matrix metalloproteinase‑13, interleukin‑1 and cartilage glycoprotein 39. TFs inhibited ROS generation in cartilage degeneration, and suppressed apoptosis and DNA damage caused by oxidative stress. TFs also downregulated the expression levels of cleaved caspase‑3 and B‑cell lymphoma 2‑associated X protein, and the DNA damage‑related genes, ATR serine/threonine kinase and ATM serine/threonine kinase. Furthermore, TFs enhanced the activity of glutathione peroxidase 1 and catalase, but reduced the expression levels of phosphorylated (p)‑AKT serine/threonine kinase (AKT) and p‑Forkhead box O3 (FOXO3)a. Conversely, the effects of TFs on apoptosis and DNA damage were reversed by persistent activation of AKT. In conclusion, TFs prevented cartilage degeneration via AKT/FOXO3 signaling in vitro. The present study suggested that TFs may be a potential candidate drug for the prevention of cartilage degeneration.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.