Identification of novel B cell epitopes within Toxoplasma gondii GRA1

文献类型： 外文期刊

第一作者： Wang, Yanhua

作者： Wang, Yanhua;Wang, Guangxiang;Zhang, Delin;Yin, Hong;Wang, Meng

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期刊名称：EXPERIMENTAL PARASITOLOGY （ 影响因子：2.011； 五年影响因子：2.132 ）

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收录情况： SCI

摘要： Newly synthesized epitopes are one of the most promising antigens for the development of diagnostic kits and peptide vaccines. Very little is known about the B cell epitopes on GRA1 of Toxoplasma gondii, which are recognized by the humoral immune response in pigs. In this study, epitopes derived from GRA1 of T. gondii were identified using synthetic peptide techniques and bioinformatics. Three (PG10, PG13 and PG18) out of the eighteen peptides tested were recognized by all pig sera from different time points after infection, and the other peptides were recognized by select sera from various time points after infection. Our data indicate that many regions of GRA1, and in particular, the regions represented by the peptides PG10, PG13 and PG18, are involved in the pig antibody response. The identification of specific epitopes targeted by the host antibody response is important both for understanding the natural response to infection and for the development of epitope-based marker vaccines and diagnostic tools for toxoplasmosis.

分类号： Q958.9

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