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  • 标题:Detección y diferenciación de Entamoeba histolytica y Entamoeba dispar mediante reacción en cadena de la polimerasa en individuos de una comunidad del Estado Zulia, Venezuela
  • 其他标题:Detection and differentiation of Entamoeba histolytica and Entamoeba dispar by polymerase chain reaction in a community in Zulia State, Venezuela
  • 本地全文:下载
  • 作者:Rivero, Zulbey ; Bracho, Ángela ; Calchi, Marinella
  • 期刊名称:Cadernos de Saúde Pública
  • 印刷版ISSN:0102-311X
  • 电子版ISSN:1678-4464
  • 出版年度:2009
  • 卷号:25
  • 期号:1
  • 页码:151-159
  • DOI:10.1590/S0102-311X2009000100016
  • 语种:Spanish
  • 出版社:Escola Nacional de Saúde Pública,Fundação Oswaldo Cruz
  • 摘要:

    Differential identification of Entamoeba histolytica and Entamoeba dispar is essential for both appropriate patient treatment and epidemiological purposes. To determine the prevalence of these amoeba infections in Santa Rosa de Agua (Maracaibo, Zulia State, Venezuela), a PCR assay using specific primers for each species was standardized and applied. 204 stool samples were analyzed through direct microscopic examination with SSF (0.85%) and lugol, formol-ether concentration, and PCR. Under direct microscopy, 42 individuals (20.58%) presented the E. histolytica/E. dispar complex. Meanwhile PCR showed 47 positive cases for these amoebas: 22 E. histolytica (10.78%), 16 E. dispar (7.84%), and 9 (4.41%) mixed infections. There was no significant difference in the presence of E. histolytica and/or E. dispar according to either gender or age. There were no cases of these amoebas in children under 2 years of age. Observed frequency of E. histolytica (31/204) shows the endemic nature of amoeba infection in this community.

  • 关键词:Entamoeba;Parásitos;Heces;Microscopía;Reaceión en Cadena de la Polimerasa
  • 其他关键词:Entamoeba;Parasites;Feces;Microscopy;Polymerase Chain Reaction
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