Factors Influencing the Enhancement of Delayed-Type Hypersensitivity to Ovalbumin by Cyclosporin A in the Guinea Pig: Possible Role of Suppressor Cells
Abstract:Enhancement of delayed-type hypersensitivity (DTH) reactions to ovalbumin (OVA) was demonstrated in guinea pigs given a single, high dose of cyclosporin A (CsA) intraperitoneally, 2 days before immunization. Courses of oral CsA, commencing at the time of immunization and lasting until day 4 or 13 also resulted in augmented DTH responses at days 14 and 28, respectively. However, the enhancing protocol (CsA; day 0–4) did not significantly affect circulating anti-OVA antibody titres. The capacity to express incre… Show more
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