Fig. 2From: In vitro effects of hyaluronic acid on human periodontal ligament cellsReal-time PCR of PDL cells seeded with HA_ncl and HA_cl for genes encoding (a) matrix metalloproteinase-2 (MMP2), (c) Interleukin-1 (IL-1), at 1 days post seeding. Protein release at 1 and 3 days of (b) MMP2, (d) IL-1, (** denotes significantly higher than all other modalities among HA treated groups, p < 0.05)Back to article page