Historia del protozoo Entamoeba histolytica

This article presents a history of Entamoeba histolytica spanning since the remote times when it was not even recognized as a cause of human disease to the recent molecular advances. Feder Losch (1875) in Saint Petersburg, found amoebae in fecal samples but only regarded them as responsible for main...

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Autores principales:	Pinilla,Análida Elizabeth, López,Myriam Consuelo, Viasus,Diego Fernando
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2008
Materias:	Dhg 12 protein, Entamoeba dispar Dysentery, amebic Entamoeba histolytica
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000100015
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spelling	oai:scielo:S0034-988720080001000152008-04-30Historia del protozoo Entamoeba histolyticaPinilla,Análida ElizabethLópez,Myriam ConsueloViasus,Diego Fernando Dhg 12 protein, Entamoeba dispar Dysentery, amebic Entamoeba histolytica This article presents a history of Entamoeba histolytica spanning since the remote times when it was not even recognized as a cause of human disease to the recent molecular advances. Feder Losch (1875) in Saint Petersburg, found amoebae in fecal samples but only regarded them as responsible for maintaining the inflammatory process, not as a cause of dysentery. Fritz Schaudinn (1903) established the differentiation between Entamoeba histolytica and Endamoeba coli, Schaudinn decided to call it E. histolytica because of its ability to cause tissue lysis. Emile Brumpt (1925) based on experimental studies, pointed out the existence ofE. Histolytica as a species complex, comprising two morphologically indistinguishable species, E. dysenteríae which is the cause of symptomatic infection, and Entamoeba dispar found only in asymptomatic carriers. Louis Diamond et al (1961) during the 1960s developed an axenic culture medium for E. histolytica which allowed in vivo and in vitro studies. Sargeaunt and Williams (1978) distinguished for the first time E. histolytica strains by isoenzyme electrophoresis, thus confirming thatE. hystolytica was indeed a species complex comprising both pathogenic and non-pathogenic species. William Petri et al (1987 demonstrated that the 170 kDa protein with greater antigenicity was the Gal/GalNac-specific lectin. Diamond and Clark (1993) described again Brumpt's original 1925hypothesis, concluding that there was enough evidence to support the existence of two morphologically indistinguishable species, a pathogenic and a nonpathogenic one, corresponding to E. histolytica and Entamoeba dispar respectively. The World Health Organization accepted this hypothesis in 1997 (RevMéd Chile 2008; 136:118-24)info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.136 n.1 20082008-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000100015es10.4067/S0034-98872008000100015
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Dhg 12 protein, Entamoeba dispar Dysentery, amebic Entamoeba histolytica
spellingShingle	Dhg 12 protein, Entamoeba dispar Dysentery, amebic Entamoeba histolytica Pinilla,Análida Elizabeth López,Myriam Consuelo Viasus,Diego Fernando Historia del protozoo Entamoeba histolytica
description	This article presents a history of Entamoeba histolytica spanning since the remote times when it was not even recognized as a cause of human disease to the recent molecular advances. Feder Losch (1875) in Saint Petersburg, found amoebae in fecal samples but only regarded them as responsible for maintaining the inflammatory process, not as a cause of dysentery. Fritz Schaudinn (1903) established the differentiation between Entamoeba histolytica and Endamoeba coli, Schaudinn decided to call it E. histolytica because of its ability to cause tissue lysis. Emile Brumpt (1925) based on experimental studies, pointed out the existence ofE. Histolytica as a species complex, comprising two morphologically indistinguishable species, E. dysenteríae which is the cause of symptomatic infection, and Entamoeba dispar found only in asymptomatic carriers. Louis Diamond et al (1961) during the 1960s developed an axenic culture medium for E. histolytica which allowed in vivo and in vitro studies. Sargeaunt and Williams (1978) distinguished for the first time E. histolytica strains by isoenzyme electrophoresis, thus confirming thatE. hystolytica was indeed a species complex comprising both pathogenic and non-pathogenic species. William Petri et al (1987 demonstrated that the 170 kDa protein with greater antigenicity was the Gal/GalNac-specific lectin. Diamond and Clark (1993) described again Brumpt's original 1925hypothesis, concluding that there was enough evidence to support the existence of two morphologically indistinguishable species, a pathogenic and a nonpathogenic one, corresponding to E. histolytica and Entamoeba dispar respectively. The World Health Organization accepted this hypothesis in 1997 (RevMéd Chile 2008; 136:118-24)
author	Pinilla,Análida Elizabeth López,Myriam Consuelo Viasus,Diego Fernando
author_facet	Pinilla,Análida Elizabeth López,Myriam Consuelo Viasus,Diego Fernando
author_sort	Pinilla,Análida Elizabeth
title	Historia del protozoo Entamoeba histolytica
title_short	Historia del protozoo Entamoeba histolytica
title_full	Historia del protozoo Entamoeba histolytica
title_fullStr	Historia del protozoo Entamoeba histolytica
title_full_unstemmed	Historia del protozoo Entamoeba histolytica
title_sort	historia del protozoo entamoeba histolytica
publisher	Sociedad Médica de Santiago
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008000100015
work_keys_str_mv	AT pinillaanalidaelizabeth historiadelprotozooentamoebahistolytica AT lopezmyriamconsuelo historiadelprotozooentamoebahistolytica AT viasusdiegofernando historiadelprotozooentamoebahistolytica
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Historia del protozoo Entamoeba histolytica

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