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research
Discrimination of Entamoeba spp. in children with dysentery
Authors
F. Cheraghali
F.S. Maghsoodloorad
+4 more
E. Nazemalhosseini-Mojarad
M. Sharbatkhori
H. Taherkhani
M. Vakili
Publication date
1 January 2014
Publisher
Research Institute for Gastroenterology and Liver Diseases
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on
PubMed
Abstract
Aim: The present study was performed in order to differentiate E. histolytica and E. dispar in children from Gorgan city, using a PCR method. Background: Differential detection of two morphologically indistinguishable protozoan parasites Entamoeba histolytica and E. dispar has a great clinical and epidemiological importance because of potential invasive pathogenic E. histolytica and non-invasive parasite E. dispar. Patients and methods: One hundred and five dysentery samples were collected from children hospitalized in Taleghani hospital in Gorgan city. The fecal specimens were examined by light microscopy (10X then 40X) to distinguish Entamoeba complex. A single round PCR amplifying partial small-subunit rRNA gene was performed on positive microscopy samples to differentiate E. histolytica/ E. dispar and E. moshkovskii from each other. Results: Twenty-five specimens (23.8%) were positive for Enramoeba complex in direct microscopic examination. PCR using positive controls indicated E. histolytica and E. dispar in two (2/25, 8%) and three (3/25, 12%) samples, respectively. Conclusion: There is a warrant to performing molecular diagnosis for stool examination at least in hospitalized children in order to prevent incorrect reports from laboratories and consequently mistreating by physicians. © 2014 RIGLD, Research Institute for Gastroenterology and Liver Diseases
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oai:eprints.goums.ac.ir:1784
Last time updated on 11/11/2016