Defining the extracellular matrix in non-cartilage soft-tissues in osteoarthritis: a systematic review

Raza, IGA; Snelling, SJB; Mimpen, JY

Journal article

Defining the extracellular matrix in non-cartilage soft-tissues in osteoarthritis: a systematic review

Abstract:: AimsExtracellular matrix (ECM) is a critical determinant of tissue mechanobiology, yet remains poorly characterized in joint tissues beyond cartilage in osteoarthritis (OA). This review aimed to define the composition and architecture of non-cartilage soft joint tissue structural ECM in human OA, and to compare the changes observed in humans with those seen in animal models of the disease.MethodsA systematic search strategy, devised using relevant matrix, tissue, and disease nomenclature, was run through the MEDLINE, Embase, and Scopus databases. Demographic, clinical, and biological data were extracted from eligible studies. Bias analysis was performed.ResultsA total of 161 studies were included, which covered capsule, ligaments, meniscus, skeletal muscle, synovium, and tendon in both humans and animals, and fat pad and intervertebral disc in humans only. These studies covered a wide variety of ECM features, including individual ECM components (i.e. collagens, proteoglycans, and glycoproteins), ECM architecture (i.e. collagen fibre organization and diameter), and viscoelastic properties (i.e. elastic and compressive modulus). Some ECM changes, notably calcification and the loss of collagen fibre organization, have been extensively studied across osteoarthritic tissues. However, most ECM features were only studied by one or a few papers in each tissue. When comparisons were possible, the results from animal experiments largely concurred with those from human studies, although some findings were contradictory.ConclusionChanges in ECM composition and architecture occur throughout non-cartilage soft tissues in the osteoarthritic joint, but most of these remain poorly defined due to the low number of studies and lack of healthy comparator groups.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Raza, I., Snelling, S., & Mimpen, J. (2024). Defining the extracellular matrix in non-cartilage soft-tissues in osteoarthritis: a systematic review. Bone & Joint Research, 13(12), 703–715.

MLA Style

Raza, IGA, et al. “Defining the Extracellular Matrix in Non-Cartilage Soft-Tissues in Osteoarthritis: A Systematic Review.” Bone & Joint Research, vol. 13, no. 12, 2024, pp. 703–15.

Chicago Style

Raza, IGA, SJB Snelling, and JY Mimpen. 2024. “Defining the Extracellular Matrix in Non-Cartilage Soft-Tissues in Osteoarthritis: A Systematic Review.” Bone & Joint Research 13 (12): 703–15.
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