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Updated: Jul 10, 2025
A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid
Published on: January 31, 2012
Transcriptomic changes during the replicative senescence of human articular chondrocytes
Aysegul Atasoy-Zeybek1, Gresin P Hawse1, Christopher V Nagelli1,2
1Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA.
Cellular aging in human chondrocytes, the cells in cartilage, alters gene expression, impacting extracellular matrix turnover and senescence-associated secretory phenotype, particularly in osteoarthritis samples.
Area of Science:
- Molecular Biology
- Cell Biology
- Genomics
Background:
- Osteoarthritis (OA) is a leading cause of global disability, with aging as a primary risk factor.
- The precise molecular mechanisms linking aging to OA pathogenesis remain incompletely understood.
- Replicative senescence in human articular chondrocytes offers a model to study age-related cellular changes.
Conclusions:
- Cellular senescence in human chondrocytes induces significant transcriptomic changes, including altered ECM composition and SASP activation.
- These age-related changes are exacerbated in chondrocytes from osteoarthritis patients.
- Understanding these molecular pathways provides insights into the aging process in osteoarthritis and highlights potential sex-specific therapeutic targets.
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