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Phenotypic aspects of oral strains of Candida albicans in children with down's syndrome / Aspectos fenotípicos de cepas de Candida albicans orais em crianças com síndrome de down
Ribeiro, E. L; Scroferneker, M. L; Cavalhaes, M. S; Campos, C. C; Nagato, G. M; Souza, N. A; Ferreira, W. M; Cardoso, C. G; Dias, S. M. S; Pimenta, F. C; Toledo, O. A.
Affiliation
  • Ribeiro, E. L; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Scroferneker, M. L; Universidade Federal do Rio Grande do Sul. Institute of Basic Sciences of the Health. Porto Alegre. BR
  • Cavalhaes, M. S; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Campos, C. C; Universidade Federal de Goiás. School of Dentistry. Goiânia. BR
  • Nagato, G. M; Universidade Federal de Goiás. School of Dentistry. Goiânia. BR
  • Souza, N. A; Universidade Federal de Goiás. School of Dentistry. Goiânia. BR
  • Ferreira, W. M; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Cardoso, C. G; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Dias, S. M. S; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Pimenta, F. C; Universidade Federal de Goiás. Institute of Tropical Pathology and Public Health. Goiânia. BR
  • Toledo, O. A; Universidade Federal de Goiás. School of Dentistry. Goiânia. BR
Braz. j. biol ; Braz. j. biol;66(3): 939-944, Aug. 2006. tab
Article in En, Pt | LILACS | ID: lil-435635
Responsible library: BR1.1
ABSTRACT
The aim of this article is to characterize the biological aspects of oral strains of C. albicans in children with Down's syndrome. These yeasts were analyzed as to their macromorphological and enzymatic aspects and were tested as to their in vitro susceptibility to antifungal drugs using broth microdilution to determine the minimum inhibitory concentration (MIC). The morphotyping revealed that all oral C. albicans isolates from children with Down's syndrome promoted the formation of fringes regardless of size, while the control group presented smaller fringes. All oral C. albicans strains produced proteinase, but those with phospholipolytic activity showed greater enzyme capacity in the test group. In vitro susceptibility showed that all oral C. albicans isolates were sensitive to the drugs used.
RESUMO
O objetivo deste artigo foi caracterizar os aspectos biológicos de cepas de C. albicans orais em crianças com síndrome de Down. Estas leveduras foram analisadas quanto aos seus aspectos macromorfológicos e enzimáticos e foram testadas quanto a sua suscetibilidade in vitro a drogas antifúngicas, usando a microdiluição em caldo para a determinação da concentração inibitória mínima (CIM). A morfotipagem revelou que todos os isolados de C. albicans orais de crianças com síndrome de Down induziram à formação de franjas independente do tamanho, enquanto o grupo controle teve franjas menores. Todas as cepas de C. albicans orais produziram proteinase, mas aquelas com atividade fosfolipidolítica mostraram maior capacidade enzimática no grupo teste. A suscetibilidade in vitro mostrou que todos os isolados de C. albicans orais foram sensíveis a drogas empregadas.
Subject(s)
Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Phenotype / Candida albicans / Candidiasis, Oral / Down Syndrome / Antifungal Agents Type of study: Observational_studies Limits: Child / Humans Language: En / Pt Journal: Braz. j. biol Journal subject: BIOLOGIA Year: 2006 Document type: Article Affiliation country: Brazil Country of publication: Brazil
Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Phenotype / Candida albicans / Candidiasis, Oral / Down Syndrome / Antifungal Agents Type of study: Observational_studies Limits: Child / Humans Language: En / Pt Journal: Braz. j. biol Journal subject: BIOLOGIA Year: 2006 Document type: Article Affiliation country: Brazil Country of publication: Brazil