Targeting TGFβ signaling in subchondral bone and articular cartilage homeostasis.
Targeting TGFβ signaling in subchondral bone and articular cartilage homeostasis.
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DOI:
10.1016/j.tips.2014.03.005
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发表时间:
2014-05
影响因子:
13.8
通讯作者:
Cao, Xu
中科院分区:
文献类型:
--
作者:
Zhen, Gehua;Cao, Xu
Osteoarthritis (OA) is the most common degenerative joint disease, and there is no disease-modifying therapy for OA currently available. Targeting of articular cartilage alone may not be sufficient to halt this disease progression. Articular cartilage and subchondral bone act as a functional unit. Increasing evidence indicates that transforming growth factor β (TGFβ) plays a crucial role in maintaining homeostasis of both articular cartilage and subchondral bone. Activation of extracellular matrix latent TGFβ at the appropriate time and location is the prerequisite for its function. Aberrant activation of TGFβ in the subchondral bone in response to abnormal mechanical loading environment induces formation of osteroid islets at onset of osteoarthritis. As a result, alteration of subchondral bone structure changes the stress distribution on the articular cartilage and leads to its degeneration. Thus, inhibition of TGFβ activity in the subchondral bone may provide a new avenue of treatment for OA. In this review, we will respectively discuss the role of TGFβ in homeostasis of articular cartilage and subchondral bone as a novel target for OA therapy.
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作者:
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DOI:
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发表时间:
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期刊:
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