KMID : 1100120180250020065
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´ëÇÑ°ñ´ë»çÇÐȸÁö 2018 Volume.25 No. 2 p.65 ~ p.72
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Differential Role of Transforming Growth Factor-beta in an Osteoarthritic or a Healthy Joint
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van der Kraan Peter M.
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Abstract
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Transforming growth factor-¥â (TGF-¥â) is a cytokine that plays an important role in both normal joints and joints affected by osteoarthritis (OA), the most common joint disease. However, the role of this pleiotropic cytokine in a normal healthy joint is very different from its role in an OA joint. In a normal synovial joint, active TGF-¥â is only present after joint loading and only for a short period. In contrast, permanent and high levels of active TGF-¥â are detected in OA joints. Due to this difference in levels and exposure period of joint cells to active TGF-¥â, the function of TGF-¥â is strikingly different in normal and OA joints. The consequences of this difference in TGF-¥â levels on joint homeostasis and pathological changes in OA joints are discussed in this review.
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KEYWORD
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Cytokines, Osteoarthritis, Transforming growth factor beta
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