Journal
JOURNAL OF MEMBRANE BIOLOGY
Volume 256, Issue 3, Pages 223-228Publisher
SPRINGER
DOI: 10.1007/s00232-023-00282-0
Keywords
Ferroptosis; GPX4; Iron; Lipid peroxides; Osteoarthritis
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Osteoarthritis (OA) is a common type of arthritis that impacts physical function, particularly in the elderly, and is a leading cause of disability. Joint pain and stiffness are common symptoms of OA, and the main pathological changes involve chondrocyte death and loss of cartilage integrity. Current treatments for OA, such as NSAIDs and glucocorticoids, have limited effectiveness, and there is a need for therapeutic strategies that can halt OA progression.
Osteoarthritis (OA) is the most common type of arthritis. Its high prevalence, especially in the elderly, and its negative impact on physical function make it a leading cause of disability in the elderly. Joint pain as well joint stiffness are the common classic signs of OA. Chondrocyte death together with loss of articular cartilage integrity are the main pathologic changes in OA. Non-steroidal anti-inflammatory drugs (NSAIDs) and glucocorticoids are commonly used for the management of OA; still, their effectiveness is limited, and no therapeutic strategy is able to fully stop OA progression. Ferroptosis is a kind of cell death, distinct from apoptosis and necroptosis, caused by iron-dependent peroxidation of membrane phospholipids that terminates cell life by disintegrating all plasma membranes. It has been suggested that ferroptosis has a critical role in decreased viability of chondrocytes in OA, and here, we review recent findings regarding the pathologic pathways that lead to chondrocyte ferroptosis, and discuss the possible therapeutic utility of ferroptosis inhibition in OA.
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