Fig. 5From: Dual action of highbush blueberry proanthocyanidins on Aggregatibacter actinomycetemcomitans and the host inflammatory responseEffect of highbush blueberry PACs on A. actinomycetemcomitans leukotoxin (LtxA) activity on macrophage-like cells. Φ: significant loss of cell viability (p < 0.001) compared to control cells not treated with LtxA. *: significant increase of cell viability (p < 0.001) compared to cells treated with LtxABack to article page