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Gene and protein expression of MMP-3 and production of TIMP-1 as endogenous inhibitor of MMP-3, in NPM treated with PBM. (A) Production of MMP-3 at 630 nm, (B) 525 nm, and (C) 465 nm. (D) Relative gene expression of MMP3 at 630 nm, (E) 525 nm, and (F) 465 nm. (G) Production of TIMP-1 at 630 nm, (H) 525 nm, and (I) 465 nm. Values are mean ± SE of three or four independent experiments. *p < 0.05, **p < 0.01, ***p < 0.001, ns, no significant difference, compared with each group.
