The humoral immune response of the spiny-tailed agamid lizard (Agama caudospinosum) to injection with Leishmania agamae promastigotes

George A. Ingram, David Molyneux

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19 Citations (Scopus)

Abstract

Spiny-tailed agamid lizards (Agama caudospinosum) were given a single intraperitoneal injection of Leishmania agamae promastigotes. Direct agglutinins (DA), indirect haemagglutinins (IHA) and complement-fixing antibodies (CFA) produced against the parasites were non-precipitating, relatively thermostable and dithiothreitol sensitive. Antibodies were also detected by the immobilisation test (IMM) and by enzyme-linked immunosorbent assay (ELISA). The most sensitive method was the ELISA one. Antibodies were detected 7 days post-injection and maximum IMM (2-6), DA (2-8), CFA (2-10), IHA (2-12) and ELISA (2-16) titres were obtained from 35 to 49 days. In all cases, the levels of antibody following antigenic stimulation were significantly different from the controls (P<0.001). Serum lysozyme levels increased three-fold (P<0.001) with the highest value of 46 μg/ml occurring after 42 days.
Original languageEnglish
Pages (from-to)479-491
Number of pages13
JournalVeterinary Immunology and Immunopathology
Volume4
Issue number4
DOIs
Publication statusPublished - 1 May 1983
Externally publishedYes

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