1921
Volume 17, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

Antigens prepared from trophozoites of (DKB strain), the room-temperature strains Laredo and Huff, (FIC strain), and (PZ and SivL strains) were made to react against human anti- serum and rabbit anti-DKB and anti-PZ serum in indirect-hemagglutination and immunodiffusion tests. Control experiments (which all gave negative results) consisted in testing positive antiserum against the antigen prepared from penicillin-inhibited (the culture associate of amebae) and against the components of the culture medium.

Immunoelectrophoretic analysis of the antigens indirectly confirmed the results of the immunodiffusion tests and demonstrated that the bands that showed reactions of partial identity had curvatures different from those of their counterparts, while having identical or similar electrophoretic mobilities.

In general it was found that all the strains of studied have common antigenic moieties. More precise results should be obtained when the antigens are fractionated and the fractions are tested independently.

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/content/journals/10.4269/ajtmh.1968.17.528
1968-07-01
2017-09-23
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