Current Status of Acanthamoeba in Iran: A Narrative Review Article

Maryam Niyyati1, Mostafa Rezaeian2

  • 1Dept. of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Abstract

Insights

Acanthamoeba genotype T4 is prevalent in Iran, but other genotypes also exist. Further research is needed to understand Acanthamoeba genotype distribution and its link to amoebic keratitis in the region.

Area of Science:

  • Microbiology
  • Environmental Science
  • Ophthalmology

Background:

  • Free-living amoebae of the genus Acanthamoeba are widespread environmentally.
  • Amoebic keratitis cases caused by Acanthamoeba are increasing globally and in Iran.
  • Existing research in Iran focuses on Acanthamoeba identification but lacks a comprehensive review of genotypes in environmental sources.

Purpose of the Study:

  • To review the current status of Acanthamoeba genotypes in Iran.
  • To highlight the distribution of Acanthamoeba genotypes in environmental samples.
  • To raise awareness about the pathogenic potential of Acanthamoeba in light of rising keratitis cases.

Main Methods:

  • A thorough literature review was conducted.
  • Databases searched include MEDLINE, PubMed, and Google Scholar.
  • All relevant studies on Acanthamoeba occurrence in environmental and clinical samples were included, regardless of publication date, design, or language.

Main Results:

  • Acanthamoeba genotype T4 is the most common type found in environmental and clinical samples in Iran and worldwide.
  • Reports also indicate the presence of other genotypes, including T2, T3, T5, T6, and T11.
  • This diversity suggests a need for further research to determine the dominant Acanthamoeba genotypes and their disease associations in Iran.

Conclusions:

  • This review consolidates the current understanding of Acanthamoeba genotypes in Iran.
  • It emphasizes the need for continued investigation into Acanthamoeba genotype prevalence.
  • Understanding genotype distribution is crucial for managing Acanthamoeba-related diseases, particularly amoebic keratitis.

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