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  • Immunization with oligomannose-coated liposome-entrapped dense granule protein 7 protects dams and offspring from Neospora caninum infection in mice.

Immunization with oligomannose-coated liposome-entrapped dense granule protein 7 protects dams and offspring from Neospora caninum infection in mice.

Clinical and vaccine immunology : CVI (2009-04-10)
Yoshifumi Nishikawa, Houshuang Zhang, Yuzuru Ikehara, Naoya Kojima, Xuenan Xuan, Naoaki Yokoyama
ABSTRACT

The present study demonstrates that the subcutaneous administration of Neospora caninum dense granule protein 7 (NcGRA7) entrapped in liposomes coated with mannotriose strongly induces the parasite-specific T-helper type 1 immune response and humoral antibody in mice. Although anti-NcGRA7 immunoglobulin G1 antibody production was induced in mice injected with NcGRA7 alone, the dams and offspring were never protected from N. caninum infection. The immunization of mice with liposome-entrapped NcGRA7 before pregnancy resulted in increased offspring survival and decreased the infection rates in the brains of dams after parasite infection at 6 to 9 days of gestation. In conclusion, oligomannose-coated liposome-entrapped NcGRA7 can be used as a new type of effective vaccine to control neosporosis.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
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Minimum Essential Medium, with Earle′s Balanced Salts, with 2.0 mM L-glutamine, with non-essential amino acids, without sodium bicarbonate, dry powder, suitable for cell culture