First report of Acanthamoeba genotype T8 human keratitis

Orosz, Erika and Szentmáry, Nóra and Kiss, Huba J. and Farkas, Ágnes and Kucsera, István and Nagy, Zoltán Zsolt (2018) First report of Acanthamoeba genotype T8 human keratitis. Acta Microbiologica et Immunologica Hungarica, 65 (1). pp. 73-79. ISSN 1217-8950

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Abstract

Acanthamoeba has a worldwide distribution in the environment and it is capable of causing a painful sight-threatening disease of the cornea designated as Acanthamoeba keratitis (AK). Nowadays, the cases of AK have surged all over the world along with its disease burden due to increasing use of contact lenses used not only for optical correction but also for cosmetic purposes. In our present work, epithelial abrasion of a 27-year-old female soft contact lens wearer with keratitis was examined. Genotype identification was carried out with a real-time fluorescence resonance energy transfer polymerase chain reaction (PCR) assay based on sequence analysis of the 18S rRNA gene. Genotyping allowed the identification of a T8 group isolate. The analysis confirmed the importance of a complete diagnostic protocol, including a PCR assay, for the clinical diagnosis of AK from human samples. Acanthamoeba T8 should be considered as potential causative organism in keratitis in human.

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