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The Immunological Properties of Recombinant Multi-Cystatin-Like Domain Protein From Produced in Yeast

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Journal Front Immunol
Date 2019 Nov 5
PMID 31681308
Citations 5
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Abstract

Trichinellosis is a globally-distributed zoonotic parasitic disease caused by nematode worms of the genus . One of the most common species of known to affect human health is ; however, it is relatively poorly investigated. A thorough knowledge of the proteins expressed by is important when developing immunological detection methods and vaccines and studying its interactions with the host. The present study uses the expression system to produce a soluble TbCLP antigen which induces strong antibody responses in the host during natural infection. Our results demonstrate the feasibility of TbCLP antigen production in yeasts, which are able to carry out post-translational modifications such as glycosylation and disulfide bond formation; they also indicate that the glycosylated TbCLP antigen had immunogenic effects in the tested mice and induced a mixed Th1/Th2 response, and was associated with a reduced larval burden after challenge with . Subsequent stimulation of mice splenocytes revealed that TbCLP most likely possesses immunomodulatory properties and may play a significant role in the early phase of infection, affecting host immunological responses.

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