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Fig. 4 | BMC Oral Health

Fig. 4

From: Salivary pellets induce a pro-inflammatory response involving the TLR4–NF-kB pathway in gingival fibroblasts

Fig. 4

Prior phase contrast and live-dead staining microscopy gingival fibroblasts were exposed to a series of dilutions of salivary pellet and pellet supernatant, 1, 2, 4, 8 fold, respectively, for 6 h. Visual inspection using phase contrast microscopy revealed a regular fibroblastic morphology. Live-dead staining showed that most of the cells were colored green, indicating that they were vital (10 fold magnification)

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