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2003•PubMedRequires access

[Study on the effect of H2O2 against Acanthamoeba in vitro].

Qun-fei Zhao, Xueliang Gao, Min Qian

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Abstract

OBJECTIVE: To detect the effect of H2O2 on Acanthamoeba spp.. METHODS: By Wright's stain, quantitative culture, MTT assay and lactate dehydrogenase(LDH) assessment, the influence of H2O2 on the morphological feature, proliferation speed and the survival rate of Acanthamoeba was tested. RESULTS: At low concentration of 0.125%, H2O2 can force the Acanthamoeba trophozoites into cysts irreversibly, and inhibit its proliferation. 1% H2O2 can directly destroy Acanthamoeba trophozoites. CONCLUSION: H2O2 is effective in destroying Acanthamoeba. It is possible to be used as an ideal reagent for the prevention of Acanthamoeba keratitis.

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What this paper is about

OBJECTIVE: To detect the effect of H2O2 on Acanthamoeba spp.. METHODS: By Wright's stain, quantitative culture, MTT assay and lactate dehydrogenase(LDH) assessment, the influence of H2O2 on the morphological feature, proliferation speed and the survival rate of Acanthamoeba was tested. RESULTS: At low concentration of 0.125%, H2O2 can force the Acanthamoeba trophozoites into cysts irreversibly, and inhibit its proliferation. 1% H2O2 can directly destroy Acanthamoeba trophozoites. CONCLUSION: H2O2 is effective in destroying Acanthamoeba. It is possible to be used as an ideal reagent for the prevention of Acanthamoeba keratitis.

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Available abstract

OBJECTIVE: To detect the effect of H2O2 on Acanthamoeba spp.. METHODS: By Wright's stain, quantitative culture, MTT assay and lactate dehydrogenase(LDH) assessment, the influence of H2O2 on the morphological feature, proliferation speed and the survival rate of Acanthamoeba was tested. RESULTS: At low concentration of 0.125%, H2O2 can force the Acanthamoeba trophozoites into cysts irreversibly, and inhibit its proliferation. 1% H2O2 can directly destroy Acanthamoeba trophozoites. CONCLUSION: H2O2 is effective in destroying Acanthamoeba. It is possible to be used as an ideal reagent for the prevention of Acanthamoeba keratitis.

Key concepts: Acanthamoeba, Acanthamoeba keratitis, Microbiology, In vitro, Amoeba (genus), Protozoa, Entamoeba histolytica, Chemistry

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