Isolation of Theileria parva schizonts from infected lymphoblastoid cells.

C. Sugimoto, P. A. Conrad, S. Ito, W. C. Brown, D. J. Grab

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


This study set out to develop a rapid method for the isolation of schizonts from Theileria parva-infected bovine and buffalo lymphoblastoid cells. Parasitized lymphoblastoid cells were lysed by treatment with the cytolytic toxins, aerolysin and Ah-1 hemolysin, produced by Aeromonas hydrophila, and the schizonts were separated by Percoll density-gradient centrifugation. Light and electron microscopic examination showed that the isolated schizonts from lymphoblastoid cells infected with T. parva (Muguga) retained their normal morphology and were essentially free from host cell components. The schizonts also retained antigens as recognized by a series of anti-schizont monoclonal antibodies. The concentrations of toxin and Ficoll 400 in the lysis buffer which gave optimal cell lysis varied for 10 different infected cell lines tested.

Original languageEnglish (US)
Pages (from-to)203-216
Number of pages14
JournalActa Tropica
Issue number3
StatePublished - Sep 1988
Externally publishedYes

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases


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