Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica

Entamoeba histolytica is an invasive intestinal pathogenic parasitic protozoan that causes amebiasis. It must be distinguished from Entamoeba dispar and E. moshkovskii, nonpathogenic commensal parasites of the human gut lumen that are morphologically identical to E. histolytica. Detection of specifi...

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Main Authors: Anjana Singh, Eric Houpt, William A. Petri
Format: Article
Language:English
Published: Wiley 2009-01-01
Series:Interdisciplinary Perspectives on Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2009/547090
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author Anjana Singh
Eric Houpt
William A. Petri
author_facet Anjana Singh
Eric Houpt
William A. Petri
author_sort Anjana Singh
collection DOAJ
description Entamoeba histolytica is an invasive intestinal pathogenic parasitic protozoan that causes amebiasis. It must be distinguished from Entamoeba dispar and E. moshkovskii, nonpathogenic commensal parasites of the human gut lumen that are morphologically identical to E. histolytica. Detection of specific E. histolytica antigens in stools is a fast, sensitive technique that should be considered as the method of choice. Stool real-time PCR is a highly sensitive and specific technique but its high cost make it unsuitable for use in endemic areas where there are economic constraints. Serology is an important component of the diagnosis of intestinal and especially extraintestinal amebiasis as it is a sensitive test that complements the detection of the parasite antigens or DNA. Circulating Gal/GalNac lectin antigens can be detected in the serum of patients with untreated amoebic liver abscess. On the horizon are multiplex real-time PCR assays which permit the identification of multiple enteropathogens with high sensitivity and specificity.
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spelling doaj-art-ccd6b7ab20514805af7ae5344e3763b32025-02-03T06:08:36ZengWileyInterdisciplinary Perspectives on Infectious Diseases1687-708X1687-70982009-01-01200910.1155/2009/547090547090Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolyticaAnjana Singh0Eric Houpt1William A. Petri2University of Virginia, Charlottesville, P.O. Box 801340, VA 22908-1340, USAUniversity of Virginia, Charlottesville, P.O. Box 801340, VA 22908-1340, USAUniversity of Virginia, Charlottesville, P.O. Box 801340, VA 22908-1340, USAEntamoeba histolytica is an invasive intestinal pathogenic parasitic protozoan that causes amebiasis. It must be distinguished from Entamoeba dispar and E. moshkovskii, nonpathogenic commensal parasites of the human gut lumen that are morphologically identical to E. histolytica. Detection of specific E. histolytica antigens in stools is a fast, sensitive technique that should be considered as the method of choice. Stool real-time PCR is a highly sensitive and specific technique but its high cost make it unsuitable for use in endemic areas where there are economic constraints. Serology is an important component of the diagnosis of intestinal and especially extraintestinal amebiasis as it is a sensitive test that complements the detection of the parasite antigens or DNA. Circulating Gal/GalNac lectin antigens can be detected in the serum of patients with untreated amoebic liver abscess. On the horizon are multiplex real-time PCR assays which permit the identification of multiple enteropathogens with high sensitivity and specificity.http://dx.doi.org/10.1155/2009/547090
spellingShingle Anjana Singh
Eric Houpt
William A. Petri
Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
Interdisciplinary Perspectives on Infectious Diseases
title Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
title_full Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
title_fullStr Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
title_full_unstemmed Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
title_short Rapid Diagnosis of Intestinal Parasitic Protozoa, with a Focus on Entamoeba histolytica
title_sort rapid diagnosis of intestinal parasitic protozoa with a focus on entamoeba histolytica
url http://dx.doi.org/10.1155/2009/547090
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