Matrix metalloproteinases

Expression of MMP-1, -2, and -8 in longissimus dorsi muscle and their relationship with meat quality traits in cattle

Y. X. Qi, Zhang, X. H., Wang, Y. Q., Pang, Y. Z., Zhang, Z. B., Zhang, T. L., Zhang, Z. X., Qi, Y. X., Zhang, X. H., Wang, Y. Q., Pang, Y. Z., Zhang, Z. B., Zhang, T. L., and Zhang, Z. X., Expression of MMP-1, -2, and -8 in longissimus dorsi muscle and their relationship with meat quality traits in cattle, vol. 15, p. -, 2016.

The extracellular matrix (ECM) is the major macromolecule in skeletal muscle, which affects meat quality greatly. The remodeling of the ECM is mainly regulated by matrix metalloproteinases (MMPs). The expression patterns of MMP-1, -2, and -8 in longissimus dorsi muscle were explored using quantitative real-time polymerase chain reaction. The results show that the expression of MMP-1, -2, and -8 decreased significantly from 135 days of pregnancy to postnatal 30 months.

High MMP-1, MMP-2, and MMP-9 protein levels in osteoarthritis

G. Q. Zeng, Chen, A. B., Li, W., Song, J. H., and Gao, C. Y., High MMP-1, MMP-2, and MMP-9 protein levels in osteoarthritis, vol. 14, pp. 14811-14822, 2015.

Our study examined the relationship between the expression of matrix metalloproteinases (MMP)-1, MMP-2, and MMP-9 proteins and the pathogenesis of osteoarthritis (OA). We employed rigorous inclusion and exclusion criteria in computer-based bibliographic databases to extract published studies relevant to this investigation. The STATA 12.0 software was used for the statistical analyses. A total of 1408 studies were initially searched, and 10 studies with 458 OA patients and 295 healthy controls were included in this meta-analysis.

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