Molecular Genotyping of the Human Cystic Echinococcosis in Mazandaran Province, North of Iran

  • Zeynab HEDAYATI Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Ahmad DARYANI Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Shahabeddin SARVI Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Shirzad GHOLAMI Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Samira DODANGEH Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
  • Majid PIRESTANI Department of Parasitology and Medical Entomology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
  • Samira DODANGEH Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
  • Simin BARI Toxoplasmosis Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Sara GHOLAMI Department of Medical Parasitology and Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
  • Azadeh MIZANI Department of Medical Parasitology and Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
  • Seyed Abdollah HOSSEINI Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
Keywords: Echinococcus granulosus, Molecular characteriza-tion, NADH dehydrogenase 1, Iran

Abstract

Background: The larval stage of the tapeworm (cestode) Echinococcus granulosus is the etiological agent of hydatidosis or cystic echinococcosis, which is the zoonotic parasitic disease causing morbidity and mortality in both humans and livestock. Due to a lack of accurate data on the human isolates of E. granulosus in Mazandaran Province, northern Iran, the current study aimed to survey the population genetic pattern of cystic echinococcosis isolated from humans by sequencing the mitochondrial genes of NADH dehydrogenase subunit 1 (nad1). Methods: Overall, 47 formalin fixed paraffin-embedded tissue (FFPT) blocks were collected from patients' files in various pathology departments of Mazandaran Province in Iran from 2003 to 2015. PCR was performed to amplify a 398bp DNA fragment of mitochondrial nad1. PCR products were sequenced by Bioneer Corporation (South Korea), and the resulting data were analyzed via relevant software to determine the genotypes. Results: The nad1 gene was successfully amplified on 10 from all of the E. granulosus isolates. Overall, 66.6% and 33.3% of the isolates in the studied area displayed the G1 and G2-G3 genotypes, respectively. Conclusion: This study may provide the foundation for further studies in revealing the regional transmission patterns and also in designing adequate control procedures.

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Published
2019-03-11
How to Cite
1.
HEDAYATI Z, DARYANI A, SARVI S, GHOLAMI S, DODANGEH S, PIRESTANI M, DODANGEH S, BARI S, GHOLAMI S, MIZANI A, HOSSEINI SA. Molecular Genotyping of the Human Cystic Echinococcosis in Mazandaran Province, North of Iran. Iran J Parasitol. 14(1):151-8.
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Original Article(s)