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. 1978 Nov;35(5):817–826.

Experimental bovine trypanosomiasis. Changes in serum immunoglobulins, complement and complement components in infected animals.

K Nielsen, J Sheppard, W Holmes, I Tizard
PMCID: PMC1457543  PMID: 721142

Abstract

In three calves experimentally infected with Trypanosoma congolense the amounts of IgG1 and IgG2 were little changed and similar to those of normal animals. IgM increased in amount early in the infection and the amount of the increase appeared related to the parasite burden. The amounts of IgA and IgE were both much decreased and this also appeared related to the numbers of parasites in the blood. There was a decrease in the amounts of total haemolytic complement and complement components C1, C1q and C3 in the infected calves. Furthermore the amounts of properdin fluctuated with the cyclical changes in numbers of T. congolense parasites in the individual calves. No significant change in the amount of C8 was observed. It is considered that activation of both the alternative and the classical complement pathways occurs in trypanosome infected animals but that neither pathway goes to its terminal stages.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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