Acta Parasitologica

, Volume 58, Issue 3, pp 304–308 | Cite as

Susceptibility of Acanthamoeba to multipurpose lens-cleaning solutions

  • Ana Paula Costa de Aguiar
  • Caroline de Oliveira Silveira
  • Mari Aline Todero Winck
  • Marilise Brittes Rott
Original Paper

Abstract

The present study investigated the susceptibility of Acanthamoeba spp. trophozoites to two multipurpose systems for cleaning and maintenance of contact lenses. Three strains of trophozoites from the ATCC (A. castellani T4, A. castellani Neff, and A. polyphaga) and two Acanthamoeba isolates obtained from swimming pools (PT5 and PO1) were placed in monoxenic culture. To test their survival in cleaning solutions for contact lenses, the trophozoites were exposed for 4 and 24 h to two multipurpose solutions (A and B), and were then inoculated into a new monoxenic culture. Amoebic growth on the plates was observed after 72 h of incubation. Trophozoites from all three ATCC strains and one isolate from a swimming pool (PO1) grew in all plates after 4 h of exposure to solutions A and B. After 24 h, the ATCC strains and the PO1 isolate showed growth in most of the plates treated. Only the PT5 isolate showed susceptibility to both solutions over the time intervals tested. The two solutions were not completely effective against most strains and isolates over the time intervals tested. These results are important, since species of Acanthamoeba are widely distributed in the environment and are potential agents of eye pathologies.

Keywords

Acanthamoeba multipurpose solutions keratitis 

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Copyright information

© Versita Warsaw and Springer-Verlag Wien 2013

Authors and Affiliations

  • Ana Paula Costa de Aguiar
    • 1
  • Caroline de Oliveira Silveira
    • 1
  • Mari Aline Todero Winck
    • 1
  • Marilise Brittes Rott
    • 1
  1. 1.Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da SaúdeUniversidade Federal do Rio Grande do SulPorto Alegre, RSBrazil

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