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. 2016 Feb 18;17:89. doi: 10.1186/s12891-016-0944-8

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© Mort et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Agarose gel electrophoresis of aggrecan from different individuals. Proteoglycan from guanidine extracts of OA articular cartilage were analyzed by electrophoresis on agarose gels. Aggrecan was visualized by staining the gel with Toluidine blue. Cartilage samples were obtained midway between the lesion and the joint margin from the femoral condyles. Representative samples from eight individuals (M3-M10) are shown. The migration position of isolated chondroitin sulfate chains, indicated as CS, is included to demark the migration position of the smallest possible proteolytic cleavage product