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. 2022 Feb 25;3(2):zqac008. doi: 10.1093/function/zqac008

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© The Author(s) 2022. Published by Oxford University Press on behalf of American Physiological Society.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Age comparison of cartilage matrix protein concentration. (A) Protein concentration for all investigated extracellular matrix (ECM) proteins presented as a heat map. Proteins are ordered from the highest to lowest concentration in 25-wk old group. (B) Individual ECM protein concentration comparison between 25-wk (n = 20) and 90-wk (n = 11) old mice. Each point represents protein concentration for a single animal. Data are presented as mean ± 95%CI and expressed as pmol/mg total protein. Statistical comparison based on two-tailed Student's t-test with Welch's correction.