Oct 1, 1995

Parameters related to the application of recombinant ovine interleukin-1 beta as an adjuvant

Vaccine
S A LofthouseA D Nash

Abstract

This paper describes aspects of the safety and efficacy of recombinant ovine interleukin-1 beta (rovIL-1 beta) as an immunological adjuvant. A dose-response relationship was established using the intramuscular route, and significant adjuvant activity was observed following delivery of 10 or 100 micrograms of the cytokine delivered either in PBS or in combination with alum. Similar doses of rovIL-1 beta also showed adjuvant activity when delivered via the subcutaneous route. In experiments in both mice and sheep, rovIL-1 beta-mediated adjuvant activity was neutralised by a monoclonal antibody (mAb), 3.41, confirming that the adjuvant effect was due to the biological activity of the cytokine. Serum clearance rates and physiological responses to intravenous, intramuscular or subcutaneous administration of rovIL-1 beta in sheep were also determined. RovIL-1 beta was shown to have a serum half-life of 2 min. Transient body temperature increases of 2 degrees C following intravenous or subcutaneous delivery, or 1 degrees C following intramuscular delivery, were observed. White blood cell counts also fluctuated post-injection, which was shown to be due to changes in the number of circulating neutrophils. The action of the neutralising ...Continue Reading

Mentioned in this Paper

Monoclonal Antibodies
Mice, Inbred BALB C
Immunologic Adjuvants
Subcutaneous Injections
Interleukin-1
Proteins, Recombinant DNA
Dall Sheep
Neutralization Tests
Half-Life
Dose-Response Relationship, Drug

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