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Cytotoxicity for porcine islet cells by complement of six animal species

Cytotoxicity for porcine islet cells by complement of six animal species

Journal of Veterinary Medical Science 65(10): 1107-1109

ISSN/ISBN: 0916-7250

PMID: 14600349

DOI: 10.1292/jvms.65.1107

Complement-mediated cytotoxicity for porcine islet cells (PICs) was evaluated using sera of six animal species. Then soluble complement receptor type-1 (sCR1) as an anti-complement agent was added to those sera, and the changes in 50% hemolytic unit of complement serum (CH50) and cytotoxic effect of those sera on PICs were examined. All the sera except for that of pig showed cytotoxicity. However, the extent of toxicity was considerably different between species. In the rat and human serum, sCR1 significantly reduced CH50 and cytotoxicity, however in the dog serum, sCR1 had no suppressive effects. These results may suggest that complement contribute to humoral cytotoxicity for PICs as a main factor, and the compatibility of complement with PICs differs between animal species.

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Accession: 003700069

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