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. 1991 Oct;59(10):3774–3777. doi: 10.1128/iai.59.10.3774-3777.1991

Role of L3T4-bearing T-cell populations in experimental murine chlamydial salpingitis.

D V Landers 1, K Erlich 1, M Sung 1, J Schachter 1
PMCID: PMC258950  PMID: 1832663

Abstract

A role for both the cellular and humoral components of the immune response has been established for chlamydial infection. The significance of helper (L3T4) T cells was evaluated by using a Chlamydia trachomatis murine salpingitis model for upper genital tract chlamydial infection. Mouse oviducts were inoculated with C. trachomatis by using the mouse pneumonitis agent (MoPn) or control medium. Mice depleted of L3T4-bearing lymphocytes had significantly higher (P less than 0.05) numbers of organisms recovered at day 7 postinoculation. The rate of hydrosalpinx formation was significantly higher in the mice depleted of L3T4-bearing lymphocytes (27 of 31 [87%] ) than in the infected undepleted group (8 of 16 [50%] ) (P less than 0.01). The geometric mean antichlamydial immunoglobulin G titers at day 54 postinoculation were significantly higher in the L3T4-depleted mice (mean titer, 2,030) than in the undepleted group (mean titer, 776; P less than 0.05). The rate of fertility was lower in the L3T4-depleted group (2 of 31 [6%]) than in the infected, undepleted mice (2 of 16 [13%]), but this difference did not reach statistical significance. In conclusion, the greater persistence of organisms in the oviduct and higher rates of hydrosalpinx formation in mice depleted of L3T4-bearing cells suggests that these cells play a role in the clearing of organisms following infection and thus in reducing the degree of oviduct obstruction and damage.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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