Different clinical outcomes of Entamoeba histolytica in Malaysia: Does genetic diversity exist?

Tengku Shahrul Anuar, Hesham M. Al-Mekhlafi, Mohamed Kamel Abdul Ghani, Siti Nor Azreen, Fatmah Md Salleh, Nuraffini Ghazali, Mekadina Bernadus, Norhayati Moktar

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The present study was conducted to investigate the clinical outcomes of Entamoeba histolytica infection in symptomatic and asymptomatic Orang Asli (aborigine) communities in Malaysia. Examination was performed on 500 stool samples obtained from Orang Asli communities in 3 different states using formalin-ether concentration, trichrome staining, and single-round PCR techniques. Out of 500 stool samples, single infection of E. histolytica, Entamoeba dispar, and Entamoeba moshkovskii was identified in 3.2%, 13.4%, and 1%, respectively. In addition, 10 samples had mixed infections with E. histolytica and E. dispar. Six samples containing E. dispar were also positive for E. moshkovskii, and only 2 samples had E. histolytica in association with E. dispar and E. moshkovskii. Seventeen E. histolytica-positive samples were from symptomatic subjects, whereas the remaining 11 samples came from asymptomatic subjects. These findings suggest a predominant distribution of pathogenic potential of E. histolytica strains in this community. Therefore, further studies on genotyping of E. histolytica is required, to find out association between E. histolytica genotype and the outcome of the infection.

Original languageEnglish
Pages (from-to)231-236
Number of pages6
JournalKorean Journal of Parasitology
Volume51
Issue number2
DOIs
Publication statusPublished - Apr 2013

Fingerprint

Entamoeba histolytica
Malaysia
Entamoeba
Infection
Coinfection
Ether
Formaldehyde
Genotype
Staining and Labeling
Polymerase Chain Reaction

Keywords

  • Asymptomatic
  • Clinical outcome
  • Entamoeba histolytica
  • Genetic diversity
  • Malaysia
  • Symptomatic

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

Cite this

Different clinical outcomes of Entamoeba histolytica in Malaysia : Does genetic diversity exist? / Anuar, Tengku Shahrul; Al-Mekhlafi, Hesham M.; Abdul Ghani, Mohamed Kamel; Azreen, Siti Nor; Salleh, Fatmah Md; Ghazali, Nuraffini; Bernadus, Mekadina; Moktar, Norhayati.

In: Korean Journal of Parasitology, Vol. 51, No. 2, 04.2013, p. 231-236.

Research output: Contribution to journalArticle

Anuar, TS, Al-Mekhlafi, HM, Abdul Ghani, MK, Azreen, SN, Salleh, FM, Ghazali, N, Bernadus, M & Moktar, N 2013, 'Different clinical outcomes of Entamoeba histolytica in Malaysia: Does genetic diversity exist?', Korean Journal of Parasitology, vol. 51, no. 2, pp. 231-236. https://doi.org/10.3347/kjp.2013.51.2.231
Anuar, Tengku Shahrul ; Al-Mekhlafi, Hesham M. ; Abdul Ghani, Mohamed Kamel ; Azreen, Siti Nor ; Salleh, Fatmah Md ; Ghazali, Nuraffini ; Bernadus, Mekadina ; Moktar, Norhayati. / Different clinical outcomes of Entamoeba histolytica in Malaysia : Does genetic diversity exist?. In: Korean Journal of Parasitology. 2013 ; Vol. 51, No. 2. pp. 231-236.
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