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Fig. 4. Cellular protrusions induced by N. meningitidis are associated
with ezrin recruitment and actin polymerization. Monolayers of HUVECs were
infected for 4 hours with the ROU strain of N. meningitidis. A,B,C:
xy sections performed by confocal microscopy of double fluorescence labeling
((A) bacteria and F-actin) or triple fluorescence labeling ((B) bacteria,
F-actin and paxillin staining; (C) F-actin, ezrin and CD44) in the same
fields. (D) xz section of a double fluorescence labeling of F-actin and ezrin.
(A,C,D): x200; (B) x63.
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