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  • Title: [Blastogenesis of splenic lymphocytes to specific antigens and PHA in Paragonimus westermani infected mice].
    Author: Min DY, Shin MH, Choi R.
    Journal: Kisaengchunghak Chapchi; 1992 Mar; 30(1):43-8. PubMed ID: 1576112.
    Abstract:
    Paragonimus westermani is a common fluke in Korea. The present study aimed to observe the cell mediated immune response in experimental paragonimiasis of mice. The mouse (BALB/c) was orally inoculated with 40 metacercariae of P. westermani from Cambaroides similis. During the infection (1, 2, 4, 6 weeks) of mouse, blastogenic response of splenic lymphocytes to P. westermani adult antigen, metacercaria antigen, and PHA were observed. Sera from infected and noninfected mice added to normal mouse splenic lymphocytes with or without PHA. The blastogenic response of splenic lymphocytes to PHA was reduced after 1 week of infection. However after 6 weeks of infection, the response was restored to the control level. The blastogenic response of splenic lymphocytes to P. westermani adult or metacercaria antigen increased significantly on 1 week after infection, and maintained up to 6 weeks after infection. The response of non-infected mice was suppressed by addition of the infected mouse serum. The present results suggested that cellular immunity was involved in P. westermani infected mice and that P. westermani anti-serum inhibited proliferation of T lymphocytes.
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