Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil

Detalhes bibliográficos
Autor(a) principal: Fabres, Laura Fuhrich
Data de Publicação: 2018
Outros Autores: Maschio, Vinicius José, Santos, Denise Leal dos, Kwitko, Sergio, Marinho, Diane Ruschel, Araujo, Bruno Schneider de, Locatelli, Claudete Inês, Rott, Marilise Brittes
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/180869
Resumo: Several strains of free-living amoebae belonging to the genus Acanthamoeba can cause a painful sight-threatening disease of the cornea known as Acanthamoeba keratitis (AK). The numbers of AK cases keep rising worldwide mainly due to an increase in contact lens wearers and lack of hygiene in the maintenance of contact lenses and their cases. We report a case of AK in a healthy young woman admitted to the Hospital de Clinicas in Porto Alegre, southern Brazil. Corneal scrapings were examined for the presence of Acanthamoeba strains. The initial isolate was characterized by morphological and genotypic properties. The isolate belonged to group III according to Pussard and Pons’ cyst morphology. Analysis of its 18S rDNA sequence identified the isolate as genotype T4. The T4 genotype is the most commonly reported among keratitis isolates and the most common in environmental samples.
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spelling Fabres, Laura FuhrichMaschio, Vinicius JoséSantos, Denise Leal dosKwitko, SergioMarinho, Diane RuschelAraujo, Bruno Schneider deLocatelli, Claudete InêsRott, Marilise Brittes2018-07-31T02:33:47Z20181230-2821http://hdl.handle.net/10183/180869001072546Several strains of free-living amoebae belonging to the genus Acanthamoeba can cause a painful sight-threatening disease of the cornea known as Acanthamoeba keratitis (AK). The numbers of AK cases keep rising worldwide mainly due to an increase in contact lens wearers and lack of hygiene in the maintenance of contact lenses and their cases. We report a case of AK in a healthy young woman admitted to the Hospital de Clinicas in Porto Alegre, southern Brazil. Corneal scrapings were examined for the presence of Acanthamoeba strains. The initial isolate was characterized by morphological and genotypic properties. The isolate belonged to group III according to Pussard and Pons’ cyst morphology. Analysis of its 18S rDNA sequence identified the isolate as genotype T4. The T4 genotype is the most commonly reported among keratitis isolates and the most common in environmental samples.application/pdfengActa parasitologica. Warszawa. Vol. 63, no. 2 (2018), p. 428-432Lentes de contatoCeratite por AcanthamoebaGenótipoFree-living amoebaeAcanthamoebaKeratitisContact lensesVirulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern BrazilEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL001072546.pdfTexto completo (inglês)application/pdf917172http://www.lume.ufrgs.br/bitstream/10183/180869/1/001072546.pdf81430340d068084c9bf71945e4bab0dbMD51TEXT001072546.pdf.txt001072546.pdf.txtExtracted Texttext/plain21770http://www.lume.ufrgs.br/bitstream/10183/180869/2/001072546.pdf.txteae24d12d7d616cee5ba3aabbc4bad9cMD52THUMBNAIL001072546.pdf.jpg001072546.pdf.jpgGenerated Thumbnailimage/jpeg1897http://www.lume.ufrgs.br/bitstream/10183/180869/3/001072546.pdf.jpgc9657dbb53d6aeafaa59f5862c2fcde4MD5310183/1808692018-10-05 07:34:29.316oai:www.lume.ufrgs.br:10183/180869Repositório InstitucionalPUBhttps://lume.ufrgs.br/oai/requestlume@ufrgs.bropendoar:2018-10-05T10:34:29Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
title Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
spellingShingle Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
Fabres, Laura Fuhrich
Lentes de contato
Ceratite por Acanthamoeba
Genótipo
Free-living amoebae
Acanthamoeba
Keratitis
Contact lenses
title_short Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
title_full Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
title_fullStr Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
title_full_unstemmed Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
title_sort Virulent T4 Acanthamoeba causing keratitis in a patient after swimming while wearing contact lenses in Southern Brazil
author Fabres, Laura Fuhrich
author_facet Fabres, Laura Fuhrich
Maschio, Vinicius José
Santos, Denise Leal dos
Kwitko, Sergio
Marinho, Diane Ruschel
Araujo, Bruno Schneider de
Locatelli, Claudete Inês
Rott, Marilise Brittes
author_role author
author2 Maschio, Vinicius José
Santos, Denise Leal dos
Kwitko, Sergio
Marinho, Diane Ruschel
Araujo, Bruno Schneider de
Locatelli, Claudete Inês
Rott, Marilise Brittes
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Fabres, Laura Fuhrich
Maschio, Vinicius José
Santos, Denise Leal dos
Kwitko, Sergio
Marinho, Diane Ruschel
Araujo, Bruno Schneider de
Locatelli, Claudete Inês
Rott, Marilise Brittes
dc.subject.por.fl_str_mv Lentes de contato
Ceratite por Acanthamoeba
Genótipo
topic Lentes de contato
Ceratite por Acanthamoeba
Genótipo
Free-living amoebae
Acanthamoeba
Keratitis
Contact lenses
dc.subject.eng.fl_str_mv Free-living amoebae
Acanthamoeba
Keratitis
Contact lenses
description Several strains of free-living amoebae belonging to the genus Acanthamoeba can cause a painful sight-threatening disease of the cornea known as Acanthamoeba keratitis (AK). The numbers of AK cases keep rising worldwide mainly due to an increase in contact lens wearers and lack of hygiene in the maintenance of contact lenses and their cases. We report a case of AK in a healthy young woman admitted to the Hospital de Clinicas in Porto Alegre, southern Brazil. Corneal scrapings were examined for the presence of Acanthamoeba strains. The initial isolate was characterized by morphological and genotypic properties. The isolate belonged to group III according to Pussard and Pons’ cyst morphology. Analysis of its 18S rDNA sequence identified the isolate as genotype T4. The T4 genotype is the most commonly reported among keratitis isolates and the most common in environmental samples.
publishDate 2018
dc.date.accessioned.fl_str_mv 2018-07-31T02:33:47Z
dc.date.issued.fl_str_mv 2018
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dc.language.iso.fl_str_mv eng
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dc.relation.ispartof.pt_BR.fl_str_mv Acta parasitologica. Warszawa. Vol. 63, no. 2 (2018), p. 428-432
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