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. 2018 Dec 10;6(4):70. doi: 10.3390/dj6040070

Figure 4.

Figure 4

Anti-PP activities on Day 2 and Day 4 on rat dental pulp MRPC-1 cells. On Day 2: (a) cells were scattered around the agarose gel with less stain; (b) cells surround the gel with less stain; (c,d) more cells surround the gel and anti-PP activity was detected; and (e,f) cells in Group 4 (agarose-5 μg PP) surround the border of agarose gel and expressed anti-PP activity. On Day 4: (a) cells proliferated and encircled the agarose gel and no significant anti-PP activity was detected; (b) cells near the agarose border expressed weak anti-PP activity; (c) strong anti-PP activity was present in the cells around the gel; (d) cells around the agarose gel expressed strong anti-PP activity; and (e,f) cells encircled the border of agarose gel expressed anti-PP activity. Scale bar = 100 μm for all frames.