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Evaluation of the Prevalence of Bovine Leukemia Virus Dna in Peripheral Blood Mononuclear Cells of Multiple Sclerosis Patients Publisher



Jeda AS1 ; Zarei A2 ; Ghabeshi S3 ; Tabibzadeh A1 ; Lotfi M4 ; Etemadifar M5 ; Niya MHK6 ; Ghorbanlou M7 ; Esghaei M1
Authors
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Authors Affiliations
  1. 1. Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
  2. 2. Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Quality Control Department, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
  5. 5. Department of Neurosurgery, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran
  7. 7. Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran

Source: IJID Regions Published:2023


Abstract

Multiple sclerosis (MS) is an immune system-mediated neurodegenerative disease. Recent studies suggest that viral agents, especially the Epstein Barr virus (EBV), are etiological agents for MS. The roles of other viruses in MS have been investigated. Studies have shown an increase in the level of antibodies against bovine leukemia virus (BLV) in patients with MS. In this regard, our study aimed to examine the presence of BLV DNA in peripheral blood mononuclear cells (PBMCs) of MS patients in Iran. In this cross-sectional study, the presence of BLV in 109 Iranian MS patients and 60 healthy controls was evaluated. The isolated PBMCs were used for DNA extraction and PCR, using specific primers for two distinct genes. The mean age of the participants was 39 ± 9.5 years, and 27 (24.77%) of them were male. Clinical evaluation of these patients showed the most frequent MS type to be relapsing-remitting MS (RRMS) (71; 65.14%). BLV evaluation did not show any BLV DNA presence in the PBMCs of individuals in either the MS or healthy control groups. Therefore, our study showed no evidence of BLV infection in Iranian MS patients. © 2023
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