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|Title:||Bone marrow lesions in osteoarthritis: what lies beneath|
|Citation:||Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2018; 36(7):1818-1825|
|Tamara Alliston, Christopher J. Hernandez, David M. Findlay, David T. Felson, Oran D. Kennedy|
|Abstract:||Osteoarthritis (OA) is the most common joint disease in the United States, affecting more than 30 million people, and is characterized by cartilage degeneration in articulating joints. OA can be viewed as a group of overlapping disorders, which result in functional joint failure. However the precise cellular and molecular events within which lead to these clinically observable changes are neither well understood nor easily measurable. It is now clear that multiple factors, in multiple joint tissues, contribute to degeneration. Changes in subchondral bone are recognized as a hallmark of OA, but are normally associated with late-stage disease when degeneration is well established. However, early changes such as Bone Marrow Lesions (BMLs) in OA are a relatively recent discovery. BMLs are patterns from magnetic resonance images (MRI) that have been linked with pain and cartilage degeneration. Their potential utility in predicting progression, or as a target for therapy, is not yet fully understood. Here we will review the current state-of-the-art in this field under three broad headings: (1) BMLs in symptomatic OA: malalignment, joint pain and disease progression (2) biological considerations for bone-cartilage crosstalk in joint disease and (3) mechanical factors that may underlie BMLs and drive their communication with other joint tissues. Thus this review will provide insights on this topic from a clinical, biological and mechanical perspective. This article is protected by copyright. All rights reserved.|
|Keywords:||Bone-Cartilage Crosstalk, Pain; Microdamage; Subchondral; TGF-β|
|Rights:||© 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.|
|Appears in Collections:||Orthopaedics and Trauma publications|
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