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Mycopathologia

, Volume 106, Issue 2, pp 109–112 | Cite as

Immunodiffusion test for diagnosing human pythiosis

  • P. Imwidthaya
  • S. Srimuang
Article

Abstract

An immunodiffusion test was developed for diagnosing subcutaneous and systemic pythiosis in humans. When culture filtrate antigen (CFA) from P. insidiosum was reacted against patient and rabbit antisera, 1–5 precipitin bands occured both in patient and rabbit antisera, and a line of identity also occured between patient and rabbit sera. When control P. insidiosum CFA was reacted with 30 apparently normal persons, 20 Thalassemia patients, 2 candidosis and 5 aspergillosis patients, no precipitin bands were found. P. insidiosum CFA also tested with rabbit antibodies to B. dermatitidis, C. immitis, H. capsulatum, P. brasiliensis, C. albicans, M. furfur and A. fumigatus revealed no cross reactions. This test is practical, sensitive and specific.

Key words

human pythiosis immunodiffusion 

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • P. Imwidthaya
    • 1
  • S. Srimuang
    • 2
  1. 1.Department of Microbiology, Siriraj HospitalMahidol UniversityBangkokThailand
  2. 2.Division of Infectious Disease and Host Defence Unit, Research Center, Faculty of Medicine, Ramathibodi HospitalMahidol UniversityBangkokThailand

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