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This study aims to understand how lymphocytes interact with specific antigens and cause cytotoxic effects on fibroblasts.

Cytotoxicity Mediated by Soluble Antigen and Lymphocytes in Delayed Hypersensitivity

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This study aims to understand how lymphocytes interact with specific antigens and cause cytotoxic effects on fibroblasts.
Investigated lymph node cell cytopathic effects in vitro with rat embryo fibroblasts and specific antigens.
Conducted preincubation studies to assess timing of lymphocyte response to antigens.
Analyzed supernatant fluids for cytotoxic activity after incubation with antigens.
Cytotoxic effects were observed in fibroblasts after exposure to sensitized lymph node cells and PPD.
Increased acid phosphatase content in target fibroblasts was noted after 48 hours of co-culture with sensitized cells.
Normal lymph node cells did not enhance the cytotoxic effect caused by sensitized lymphocytes.

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Randomized trial examines cytotoxic effects in fibroblast cells using lymphocytes and specific antigens, indicating immune responses.

Ruddle et al. (1968) studied this question.

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