Figure 5From: Infection of human monocytes by Chlamydia pneumoniae and Chlamydia trachomatis: an in vitro comparative studyRNS production. Reactive Nitrogen Species (RNS) production in human monocytes infected by CP or CT at 3, 6 and 24 hours post-infection, detected by means of the fluorogenic probe DAF-2. 10 μg/ml LPS treatment was used as a positive control. (*P < 0.05; n = 4).Back to article page