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  • Title: The relation between the cell-mediated immunological response and the induction of circulating antibodies to collagen in guinea-pigs.
    Author: Gentner GJ, Adelmann BC.
    Journal: Immunology; 1976 Jul; 31(1):95-100. PubMed ID: 1088420.
    Abstract:
    Cutaneous delayed hypersensitivity reactions to collagen in guinea-pigs were partially but specifically suppressed if the animals had been pretreated with collagen and Freund's incomplete adjuvant. Such animals responded normally to skin-reactive factor prepared with ovalbumin. Lymphoid cells from animals with normal delayed hypersensitivity to collagen functioned normally in animals with suppressed skin reactivity. Cells from animals with suppressed delayed hypersensitivity were specifically, functionally impaired since they transferred delayed hypersensitivity into neutral recipients efficiently for PPD but not for collagen. Suppression could be induced in Cy-treated animals, and it persisted for at least 143 days. It is concluded that guinea-pigs with depressed delayed hypersensitivity to collagen are functionally impaired with respect to those T cells normally generated by induction of delayed hypersensitivity.
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