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Isolation and molecular characterization of Acanthamoeba and Balamuthia mandrillaris from combination shower units in Costa Rica
(2014-08-19)
Free living amoebae (FLA) are ubiquitous protozoa, which may behave as parasites under certain conditions. Four genera are recognized as causal agents of infections in humans and animals: Naegleria, Sappinia, Acanthamoeba ...
Potentially pathogenic Acanthamoeba genotype T4 isolated from dental units and emergency combination showers
(2017-12)
Background: Acanthamoeba is the genus of free-living amoebae that is most frequently isolated in nature. To date, 20 Acanthamoeba genotypes have been described. Genotype T4 is responsible for approximately 90% of encephalitis ...
Isolation and Molecular Characterization of Acanthamoeba Strains from Dental Units in Costa Rica
(2015-03)
Free-living amoebae are protozoa widely distributed in nature, which can be found in a variety of environments. Four genera are recognized as causal agents of infections in humans and animals: Acanthamoeba, Naegleria, Balam ...
Acanthamoeba genotype T4 keratitis in a patient with Thygeson’s superficial punctate keratitis
(2017-01)
A case of amoebic keratitis due to Acanthamoeba genotype T4 is reported. The patient is a 74-year old
woman with Thygeson’s superficial punctate keratitis. Corneal scrapings were employed for the diagnosis, which included ...
Characterization of Extracellular Vesicles Secreted by a Clinical Isolate of Naegleria fowleri and Identification of Immunogenic Components within Their Protein Cargo
(2022-06)
Abstract: Extracellular vesicles (EVs) are small lipid vesicles released by both prokaryotic and eu-karyotic cells, involved in intercellular communication, immunomodulation and pathogenesis. In this study, we performed a ...
Characterization of Extracellular Vesicles Secreted by a Clinical Isolate of Naegleria fowleri and Identification of Immunogenic Components within Their Protein Cargo
(2022-06)
Abstract: Extracellular vesicles (EVs) are small lipid vesicles released by both prokaryotic and eu-karyotic cells, involved in intercellular communication, immunomodulation and pathogenesis. In this study, we performed a ...
In vitro effects of environmental isolates of Acanthamoeba T4 and T5 over human erythrocytes and platelets
(2020-01-21)
Free-living amoebae of the genus Acanthamoeba have been associated with keratitis and encephalitis. Some factors related to their pathogenic potential have been described, including the release of hydrolytic enzymes, and ...
Isolation of Acanthamoeba T5 from Water: Characterization of Its Pathogenic Potential, Including the Production of Extracellular Vesicles
(2020-01-23)
Acanthamoeba is a genus of free-living amoebae widely distributed in nature, associated with the development of encephalitis and keratitis. Despite the fact that it is common to find genotype T5 in environmental samples, ...