The PCR-RFLP-based Detection and Identification of the Leishmania Species Causing Human Cutaneous Leishmaniasis in the Khorasan-Razavi Province, Northeast of Iran

  • Anita Mohammadiha Department of Parasitology and Entomology, Medical Sciences Faculty, Tarbiat Modares University, Tehran, Iran
  • Abdolhossein Dalimi Department of Parasitology and Entomology, Medical Sciences Faculty, Tarbiat Modares University, Tehran, Iran
  • Mohammad Reza Mahmoodi Department of Microbiology and Parasitology, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
  • Mehdi Parian Department of Medical Parasitology and Mycology, Medical faculty, Mashhad University of Medical Sciences, Mashhad, Iran
  • Majid Pirestani Department of Parasitology and Entomology, Medical Sciences Faculty, Tarbiat Modares University, Tehran, Iran
  • Mehdi Mohebali Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran
Keywords: Cutaneous leishmaniasis, Human, ITS, Khorasan-Razavi Province, Iran

Abstract

Background: Leishmania tropica, the causative agent of anthroponotic cutaneous leishmaniasis (ACL), and Leishmania major, which causes zoonotic cutaneous leishmaniasis (ZCL), are endemic in Iran.Methods: Cross-sectional study was de­signed to identify Leishmania species in cutaneous leishmaniasis patients who referred to Mashhad Health Centers from 2013 to 2014 using ITS-PCR-RFLP technique. First, physical examinations were performed in all suspected patients and CL cases were confirmed with microscopical examinations. A questionnaire was prepared and complet­ed for each confirmed patient and DNA from each lesion smear was extracted, separately. The ribosomal internal transcribed spacer was amplified with appropriate primers and PCR products were digested by enzyme Taq1 restrict enzyme.Results: From all patients, 51 cases (54.3%) were men and 43 of them (45.7%) were women. The most frequent age group was 20–29 years old (27.2%). Hands, face and feet were the most common sites for appearance of skin lesions. All of the 94 cases (100%) tested found to be positive by ITS-PCR-RFLP. Overall, Leishmania species were identified in all of the 94 lesion smears which 33 (35%) of them were L. major and 61 (65%) of the remained isolates were iden­tified L. tropica.Conclusion: Characterization of Leishmania isolates collected from different parts of Khorasan-Razavi Province showed that L. tropica is predominant agents of CL, especially in large and medium sized cities such as Mashhadand Shandiz. Moreover, this study revealed that ITS-PCR-RFLP based on our designed primers is a suitable method for species characterization.

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Published
2017-10-08
How to Cite
1.
Mohammadiha A, Dalimi A, Mahmoodi MR, Parian M, Pirestani M, Mohebali M. The PCR-RFLP-based Detection and Identification of the Leishmania Species Causing Human Cutaneous Leishmaniasis in the Khorasan-Razavi Province, Northeast of Iran. J Arthropod Borne Dis. 11(3):383-392.
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