Fig. 5From: Increased citrullination and expression of peptidylarginine deiminases independently of P. gingivalis and A. actinomycetemcomitans in gingival tissue of patients with periodontitisDetection of P. gingivalis and leukotoxins of M. haemolytica and A. actinomycetemcomitans in gingival biopsies from patients with periodontitis. Representative immunohistochemistry images of gingival biopsies (n = 15), stained for a P. gingivalis, b M. haemolytica LktA and c A. actinomycetemcomitans LtxA are shown. Magnification ×100 and ×2 zoom-in on the area of interest (scale bars 100 μm). E epithelium, CT connective tissueBack to article page