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Infect. Immun., Feb 1995, 389-392, Vol 63, No. 2
RL Bailey, MJ Holland, HC Whittle and DC Mabey
Cell-mediated immune responses to chlamydial and common recall antigens
were measured in 26 subjects whose clinical signs of trachoma persisted
over 6 months of follow-up and in 21 subjects whose clinical signs resolved
spontaneously over the same period. Seven-day lymphocyte proliferative
responses to chlamydial but not common recall antigens were significantly
greater in subjects whose disease resolved spontaneously. There was,
however, no detectable difference between the two groups in gamma
interferon levels in supernatants from lymphocyte cultures stimulated with
these antigens. These results are consistent with the hypothesis that
cell-mediated immune responses play an important role in the clearance of
ocular chlamydial infection in humans.
Copyright © 1995, American Society for Microbiology
Subjects recovering from human ocular chlamydial infection have enhanced lymphoproliferative responses to chlamydial antigens compared with those of persistently diseased controls
Department of Clinical Sciences, London School of Hygiene and Tropical Medicine, United Kingdom.
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