ArticleFrontiers in pharmacology2021
Urolithin A Protects Chondrocytes From Mechanical Overloading-Induced Injuries.
Article in Frontiers in pharmacology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
28 citing papers in PubMed, 27 citations in OpenAlex.
- Bioenergetic Materials for Tissue Regeneration: Modulating Metabolism to Promote Cellular Anabolism.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Potential link between Gordonibacter pamelaeae and phospholipase C gamma 1 in osteoarthritis.AMB Express · 2026Article
- Health Benefits and Molecular Mechanisms of Urolithin A: From a Gut Microbiota-Derived Metabolite to Translational Applications.Food science & nutrition · 2026Review
- Obesity-induced oleic acid metabolic dysregulation may exacerbate osteoarthritis through the degradation of SOX9.Cellular and molecular life sciences : CMLS · 2026Article
- SphK1/mitophagy axis in cementocytes drives orthodontic root resorption via mitochondrial transfer to osteoclasts.Bone research · 2026Article
- Bioreactor-Induced Compression in Scaffolds for the Enhancement of Cartilage Regeneration: A Systematic Review.Annals of biomedical engineering · 2026Review
- Traditional Chinese medicine-derived monomers delay osteoarthritis progression by regulating mitochondrial homeostasis.Frontiers in cell and developmental biology · 2026Review
- Review
- Mechanical Stress Triggers Premature Senescence in Cardiac Fibroblasts.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Forkhead box O proteins in chondrocyte aging and diseases.Journal of orthopaedic translation · 2025Review
- The Inflammatory Bridge Between Type 2 Diabetes and Neurodegeneration: A Molecular Perspective.International journal of molecular sciences · 2025Review
- Urolithin A in Central Nervous System Disorders: Therapeutic Applications and Challenges.Biomedicines · 2025Review
- Lysosomes as Dynamic Regulators of Metabolic Signaling and Organ Physiology in Aging: From Mechanism to Therapy.Aging and disease · 2025Review
- Article
- Development of a submicron emulsion-based delivery system to improve the anti-inflammatory activity of urolithin A.Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques · 2025Article
- Emerging evidence of Urolithin A in sports nutrition: bridging preclinical findings to athletic applications.Frontiers in nutrition · 2025Review
- Acupotomy alleviates knee osteoarthritis in rabbit by regulating chondrocyte mitophagy Pink1-Parkin pathway.Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2024Article
- Cisplatin Provokes Peripheral Nociception and Neuronal Features of Therapy-Induced Senescence and Calcium Dysregulation in Rats.Neurotoxicity research · 2024Article
- Targeting therapy-induced senescence as a novel strategy to combat chemotherapy-induced peripheral neuropathy.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2024Review
- Oxidative stress as a key modulator of cell fate decision in osteoarthritis and osteoporosis: a narrative review.Cellular & molecular biology letters · 2023Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Physiological mechanical stimulation has been shown to promote chondrogenesis, but excessive mechanical loading results in cartilage degradation. Currently, the underlying mechanotransduction pathways in the context of physiological and injurious loading are not fully understood. In this study, we aim to identify the critical factors that dictate chondrocyte response to mechanical overloading, as well as to develop therapeutics that protect chondrocytes from mechanical injuries. Specifically, human chondrocytes were loaded in hyaluronic hydrogel and then subjected to dynamic compressive loading under 5% (DL-5% group) or 25% strain (DL-25% group). Compared to static culture and DL-5%, DL-25% reduced cartilage matrix formation from chondrocytes, which was accompanied by the increased senescence level, as revealed by higher expression of p21, p53, and senescence-associated beta-galactosidase (SA-β-Gal). Interestingly, mitophagy was suppressed by DL-25%, suggesting a possible role for the restoration mitophagy in reducing cartilage degeneration with mechanical overloading. Next, we treated the mechanically overloaded samples (DL-25%) with Urolithin A (UA), a natural metabolite previously shown to enhance mitophagy in other cell types. qRT-PCR, histology, and immunostaining results confirmed that UA treatment significantly increased the quantity and quality of cartilage matrix deposition. Interestingly, UA also suppressed the senescence level induced by mechanical overloading, demonstrating its senomorphic potential. Mechanistic analysis confirmed that UA functioned partially by enhancing mitophagy. In summary, our results show that mechanical overloading results in cartilage degradation partially through the impairment of mitophagy. This study also identifies UA's novel use as a compound that can protect chondrocytes from mechanical injuries, supporting high-quality cartilage formation/maintenance.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.