, Volume 71, Issue 2, pp 87–95 | Cite as

miR-455-5p downregulation promotes inflammation pathways in the relapse phase of relapsing-remitting multiple sclerosis disease

  • Shukoofeh Torabi
  • Mona Tamaddon
  • Mojtaba Asadolahi
  • Gelareh Shokri
  • Rezvan Tavakoli
  • Nooshin Tasharrofi
  • Reza Rezaei
  • Vahid Tavakolpour
  • Hossein Sazegar
  • Fatemeh KouhkanEmail author
Original Article


MicroRNA-455-5p (miR-455-5p) seems to have an anti-inflammatory role in the immune system since its expression is induced by IL-10 cytokine. Multiple sclerosis (MS) is a chronic demyelinating neurodegenerative disease of the central nervous system that is caused by an autoimmune inflammatory attack against the myelin insulation of neurons. The expression level of miR-455-5p and its role in MS pathogenesis has yet to be elucidated. We found that miR-455-5p expression was highly correlated with disease severity in MS patients. miR-455-5p expression inversely correlates with its inflammatory-predicted targets (MyD88 and REL) in relapse- and remitting-phase patients. Luciferase assays confirm that MyD88 and REL are direct targets of miR-455-5p. This study represents the first report of the miR-455-5p acts as an anti-inflammatory role in MS, at least partially through targeting MyD88 and REL. This study may provide important information for the use of miR-455-5p as a novel strategy to improve the severity of disease and control inflammation and attack in MS patients.


Multiple sclerosis Inflammation miR-455-5p MyD88 REL 



The authors are thankful for the valuable contribution of the patients included in the study. They are grateful to Dr. Abdorreza Naser Moghadasi for his excellent assistance and scientific advice in patient sample collection and patient categorization.

Funding information

This work was supported by a research grant from the Stem cell Technology Research Center, Tehran, Iran.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Shukoofeh Torabi
    • 1
  • Mona Tamaddon
    • 1
  • Mojtaba Asadolahi
    • 1
  • Gelareh Shokri
    • 1
  • Rezvan Tavakoli
    • 1
  • Nooshin Tasharrofi
    • 1
    • 2
    • 3
  • Reza Rezaei
    • 1
    • 4
  • Vahid Tavakolpour
    • 1
  • Hossein Sazegar
    • 5
  • Fatemeh Kouhkan
    • 1
    • 6
    Email author
  1. 1.Stem Cell Technology Research CenterTehranIran
  2. 2.Faculty of PharmacyLorestan University of Medical SciencesKhorramabadIran
  3. 3.Student Research CommitteeLorestan University of Medical SciencesKhorramabadIran
  4. 4.School of Biology, College of ScienceUniversity of TehranTehranIran
  5. 5.Department of Biology, Basic Sciences Faculty, Shahrekord BranchIslamic Azad UniversityShahrekordIran
  6. 6.Department of Molecular Biology and Genetic EngineeringStem Cell Technology Research CenterTehranIran

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