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(A) 3-(4,5-Dimethylthiazol)-2,5-diphenyl- tetrazolium bromide assay showed that there was no significant difference in in vitro growth in CHC-Y1, mock transfectants, and matrilysin transfectants. (B) Gold colloid assay showed that in vitro motility of two matrilysin transfected sublines was equivalent to those of parental cell and mock transfectants.
