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Characterization of immunogenic proteins of Cysticercus tenuicollis of goats

By A. Goswami, R. Laha and M. Das

Abstract

Aim: To identify immunodominant proteins of cystic fluid antigens and whole cyst lysate antigens of Cysticercus tenuicollis, the larval stage of the canine tapeworm Taenia hydatigena. Materials and Methods: Three numbers of cysts of C. tenuicollis were collected from the mesentry of small intestine of goats after slaughter. C. tenuicollis cysts of each sample were washed thoroughly with PBS (pH 7.4). Two types of antigens i.e. cystic fluid antigens and whole cyst lysate antigens were prepared from each sample. Polypeptide profiles of cystic fluid antigens and whole cyst lysate antigens preparations of C. tunicollis were analysed by Sodium dodecyl sulphatepolyacrylamide gel electrophoresis (SDS-PAGE) containing 10% gel. C. tenuicollis proteins resolved by SDS-PAGE were electrophoretically transferred from the gel to a nitrocellulose membrane and probed by western blotting using natural immune sera obtained from infected goats. C. tenuicollis proteins that were resolved by SDS-PAGE and reactive by immune sera of goat was estimated by a Soft ware programme named KODAK 1D Image Analysis Software. Results: A total of eight major polypeptides of molecular weight (Mr) 149.4 kDa, 92.9 kDa, 74.2 kDa, 63.5 kDa, 36.2 kDa, 23.9 kDa, 15.7 kDa and 9.6 kDa were resolved by SDS-PAGE with minor variations. Out of these, three polypeptides of Mr 36.2 kDa, 23.9 kDa and 9.6 kDa were recognized as immunodominant polypeptides after western blotting. Both cystic fluid antigens and whole cyst lysate antigens resolved same Mr polypeptides by SDS-PAGE and identified same immunodominant polypeptides after western blotting. The immunodominant polipeptides of Mr 23.9 kDa and 9.6 kDa identified for the first time from both cystic fluid antigens and whole cyst lysate antigens prepared from Cysticercus tenuicollis. Conclusion: Eight polypeptides were resolved from cystic fluid antigens and whole cyst lysate antigens of Cysticercus tenuicollis by SDS-PAGe of which polypeptides of three polypeptides of Mr 36.2 kDa, 23.9 kDa and 9.6 kDa were recognized as immunodominant polypeptides after western blotting. These three immunodominant polypeptides could be explored for sero diagnosis of C. tenuicollis infection in goats. [Vet World 2013; 6(5.000): 267-270

Topics: Cysticercus tenuicollis, goat, immunogenic, polypeptide, Animal culture, SF1-1100, Agriculture, S, DOAJ:Animal Sciences, DOAJ:Agriculture and Food Sciences, Veterinary medicine, SF600-1100
Publisher: Veterinary World
Year: 2013
DOI identifier: 10.5455/vetworld.2013.267-270
OAI identifier: oai:doaj.org/article:db91781dea594db8b74716108beb0d52
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