Adv Pharm Bull. Inpress.
doi: 10.34172/apb.2024.037
  Abstract View: 89

Research Article

Therapeutic Effects of IL-1RA, M2 Cells, and their Synergistic Impact on a Mouse Model of Rheumatoid Arthritis

mohammad sadegh hashemzadeh* ORCID logo, Hadi Esmaeili Gouvarchin Ghaleh, Mozafar Mohammadi, Yaser Yousefpoor, Ehsan Rezaei, Gholamhossein Alishiri
*Corresponding Author: Email: msh.biotechnology@gmail.com


Purpose: Rheumatoid arthritis (RA) is a type of autoimmune disease that results in chronic inflammation of the joint synovial tissue, leading to joint damage and significant disability. Despite ongoing research, the exact cause of RA remains unclear, and current treatments have limitations. This study explores the potential of utilizing interleukin-1 receptor antagonist (IL-1RA) and anti-inflammatory macrophages polarized in the vicinity of the supernatant from allogeneic mesenchymal stem cells (MSCs) as a novel therapeutic approach for RA.

Methods: An expression cassette containing the IL-1RA gene was constructed and expressed in E. coli BL21. The resulting protein was purified and stabilized for use in in vivo experiments. Bone marrow MSCs were isolated and used to produce anti-inflammatory M2 macrophages from the isolated peripheral blood monocytes. The macrophages were then used to treat mice with RA induced by collagen type II.

Results: The combination of IL-1RA and M2 macrophages improved clinical and histopathological symptoms of the disease, reduced levels of inflammatory factors, and modulated the immune system in the treated mouse groups. The results showed that this combinatory therapy had a synergistic effect for RA treatment.

Conclusion: The simultaneous use of IL-1RA and M2 cells could be a promising approach for the treatment of RA. This combinatory therapy has the potential to improve the disease and decrease the severity of inflammation in patients with RA.

Keywords: Rheumatoid arthritis, IL-1RA, Anti-inflammatory macrophages, Synergistic effect, Novel therapeutic approach and Combinatory therapy

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Submitted: 05 Aug 2023
Revision: 30 Jan 2024
Accepted: 03 Mar 2024
ePublished: 11 Mar 2024
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