NDLI: Molecular cloning and characterization of a cyclophilin A homologue from Schistosoma japonicum

Content Provider	Springer Nature Link
Author	Han, Hongxiao Peng, Jinbiao Hong, Yang Fu, Zhiqiang Xu, Jinjun Lin, Jiaojiao Tao, Jianping
Copyright Year	2012
Abstract	Cyclophilins belong to a group of proteins that have peptidyl-prolyl cis-trans isomerase activity and have been identified in all cell types and all organisms studied. In both prokaryotes and eukaryotes, they have been characterized as functional chaperones and involved in cell signaling. In the present study, Sj cyclophilin A (CyPA) was cloned, characterized, and subcloned into a prokaryotic expression vector to produce soluble recombinant rSjCyPA protein. qPCR analysis revealed that SjCyPA was expressed at each schistosome developmental stage tested, but reached its highest levels at days 7 and 13. In addition, the gene was also found to be significantly downregulated in adult worms from Microtus fortis. The SjCyPA protein was located on the subtegumental musculature of Schistosoma japonicum as determined by immunohistochemical staining analysis. Direct administration of recombinant SjCyPA to mice induced partial protective efficacy against subsequent schistosome infection. Length and width of adult worms and expression of SjCyPA were significantly decreased in the immunized groups, at 42 days post-infection, indicating that immunization with recombinant SjCyPA may suppress the schistosomes development. rSjCyPA can also react with sera from S. japonicum-infected rabbits at different time points. The data presented here suggest that SjCyPA may be an important molecule in the schistosome life-cycle and may be useful as a therapeutic target to treat schistosomiasis infection or as a potential diagnostic antigen.
Starting Page	807
Ending Page	817
Page Count	11
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	111
Issue Number	2
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-04-13
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Medical Microbiology Immunology Microbiology
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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