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DNA fragmentation of HepG2 cell lines treated with CFS of S. salivarius strains for 24 and 48 h. MRS medium used as control (Lane M; DNA ladder, lane 1; control 24 h, lane 2; control 48 h, lane 3; BP8 24 h, lane 4; BP8 48 h, lane 5; BP156 24 h, lane 6; BP156 48 h, lane 7; BP160 24 h, and lane 8; BP160 48 h).
