September 1981
Volume 21, Issue 3
Articles  |   September 1981
An animal model for cicatrizing trachoma.
Investigative Ophthalmology & Visual Science September 1981, Vol.21, 422-433. doi:
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      H R Taylor, R A Prendergast, C R Dawson, J Schachter, A M Silverstein; An animal model for cicatrizing trachoma.. Invest. Ophthalmol. Vis. Sci. 1981;21(3):422-433.

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      © ARVO (1962-2015); The Authors (2016-present)

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An animal model of cicatrizing trachoma was developed in cynomolgus monkeys. This model is consistent with our hypothesis that repeated ocular inoculation of Chlamydia trachomatis, BOUR strain, mimics the repeated reinfection that occurs naturally in endemic human trachoma. A chronic follicular conjunctivitis developed, and scarring later appeared in the superior tarsal conjunctiva. The organism was reisolated after the infection and was also demonstrated cytologically. Specific antichlamydial antibodies of both the IgM and IgG types appeared in the sera of the monkeys. Histopathologic examination of conjunctiva showed a marked lymphocytic response and the presence of germinal centers; areas of conjunctival scar tissue were also examined. Efforts to produce a similar model in rhesus monkeys were less successful.


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