نتایج جستجو برای: entamoeba dispar

تعداد نتایج: 3826  

Journal: :The American journal of tropical medicine and hygiene 2008
Soumaya Ben Ayed Karim Aoun Nadia Maamouri Rym Ben Abdallah Aïda Bouratbine

We report the first intestinal infections in Tunisia with Entamoeba moshkovskii in two healthy adults. Entamoeba moshkovskii cysts were distinguished from those of the morphologically identical parasites Entamoeba histolytica and Entamoeba dispar by specific nested polymerase chain reaction and sequencing.

Journal: :Japanese journal of infectious diseases 2010
Ehsan Nazemalhosseini Mojarad Zahra Nochi Navid Sahebekhtiari Mohammad Rostami Nejad Hossein Dabiri Mohammad Reza Zali Bahram Kazemi Ali Haghighi

Entamoeba moshkovskii and Entamoeba dispar are impossible to differentiate microscopically from the pathogenic species Entamoeba histolytica. There are limited data on the prevalence of these commensal parasites in Iran. We utilized a single-round PCR assay to determine the prevalence of E. moshkovskii, E. dispar, and E. histolytica in stool samples from Iranian patients infected with gastroint...

Journal: :Memorias do Instituto Oswaldo Cruz 2016
Deiviane Aparecida Calegar Beatriz Coronato Nunes Kerla Joeline Lima Monteiro Jéssica Pereira Dos Santos Helena Keiko Toma Tais Ferreira Gomes Marli Maria Lima Márcio Neves Bóia Filipe Anibal Carvalho-Costa

This study aimed to estimate the frequency, associated factors, and molecular characterisation of Entamoeba histolytica, Entamoeba dispar, Entamoeba moshkovskii, andEntamoeba hartmanni infections. We performed a survey (n = 213 subjects) to obtain parasitological, sanitation, and sociodemographic data. Faecal samples were processed through flotation and centrifugation methods.E. histolytica, E....

Journal: :The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases 2011
Fred Luciano Neves Santos Marilda de Souza Gonçalves Neci Matos Soares

UNLABELLED Amoebiasis is an infection caused by Entamoeba histolytica and is a potential health risk in countries in which health barriers are inappropriate. Since the discovery of Entamoeba dispar, the prevalence of amoebiasis has been modified. OBJECTIVE This study has standardized the PCR technique applied for the diagnosis of different species of the E. histolytica/E. dispar complex and h...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 1997
L S Garcia

Plasmodium falciparum Amebae (Intestinal) Babesia species Entamoeba histolytica Flagellates (Leishmaniae, Trypanosomes) Entamoeba dispar* Leishmania tropica complex Entamoeba hartmanni Leishmania mexicana complex Entamoeba coli Leishmania braziliensis complex Entamoeba polecki Leishmania donovani complex Endolimax nana Leishmania peruviana Iodamoeba bütschlii Trypanosoma brucei gambiense Blasto...

Journal: :The Southeast Asian journal of tropical medicine and public health 2009
Apiradee Intarapuk Thareerat Kalambaheti Nitaya Thammapalerd Pakpimol Mahannop Pradit Kaewsatien Adisak Bhumiratana Dechavudh Nityasuddhi

Due to the indistinguishable morphology between Entamoeba histolytica (pathogenic) and Entamoeba dispar (non pathogenic), PCR-based assays were conducted. Based on microscopy, suspected Entamoeba cells were detected in 30 out of 455 fecal samples obtained from individuals residing at Thai/Myanmar border region. The target genes for PCR amplification included genes encoding small subunit rRNA (S...

Journal: :Journal of clinical microbiology 1997
D Mirelman Y Nuchamowitz T Stolarsky

A comparison of the use of three commercially available enzyme-linked immunosorbent assay-based kits and PCR amplification of rRNA genes to detect and differentiate Entamoeba histolytica from E. dispar was carried out. Only the Techlab kit did not cross-react with E. dispar antigens, but it was 100 times less sensitive than PCR in detection of and differentiation between the two types of Entamo...

Journal: :Infection and immunity 1999
U Willhoeft L Hamann E Tannich

Cysteine proteinases of Entamoeba histolytica are considered to be one of the most important classes of molecules responsible for the parasite's ability to destroy human tissues. Interestingly, one particular cysteine proteinase, located on the surface of E. histolytica trophozoites and designated cysteine proteinase 5 (CP5), is not expressed in the closely related but nonpathogenic species Ent...

2011
Nader Pestehchian Mahnaz Nazary Ali Haghighi Mansour Salehi Hosinali Yosefi

BACKGROUND Differentiation between Entamoeba histolytica and Entamoeba dispar is very important for both clinical therapy and epidemiological studies. Although these two species are morphologically identical, they have differences in genetic, chemical specifications and pathogenicity. This study was carried out to differentiate E. histolytica from E. dispar and also to find out frequency of the...

Journal: :Journal of clinical microbiology 1998
L L Braga Y Mendonca C A Paiva A Sales A L Cavalcante B J Mann

In a slum community in northeastern Brazil 20% of a sample population was colonized with Entamoeba histolytica or Entamoeba dispar and 10.6% was colonized with E. histolytica alone. No correlation between seropositivity for anti-Ga1NAc lectin antibody and colonization was found. These results suggest that colonization does not necessarily produce immunity to reinfection.

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