Clinical Rheumatology

, Volume 37, Issue 9, pp 2471–2478 | Cite as

Evaluation of the effect of polyphenol of escin compared with ibuprofen and dexamethasone in synoviocyte model for osteoarthritis: an in vitro study

  • Hossein Maghsoudi
  • Jamal Hallajzadeh
  • Mozhghan Rezaeipour
Original Article


Osteoarthritis (OA) is a chronic degenerative joint disease with inflammatory component. It is associated with progressive histological alterations and disabling symptoms. Today, drugs such as glucocorticoids (GCs) and nonsteroidal anti-inflammatory drugs (NSIADs) are commonly employed for treatment of osteoarthritis, but have serious and life-threatening side effects. The aim of the current study is to evaluate the effects of escin on cyclooxygenase-2 (COX-2, isoform), inducible nitric oxide synthase (iNOS), interleukin-1β (IL-1β), interleukin-18 (IL-18), tumor necrosis factor-alpha (TNF-α), and nitric oxide (NO) (1), as well as prostaglandin E2 (PGE2) on inflammatory cells, similar osteoarthritis in synoviocytes, and monocytes/macrophages, and to compare it with dexamethasone (DEX) and ibuprofen (IBP). Synovial cells were isolated from synovial membrane of the radiocarpal joint cartilage of an 8-month-old Holstein cow. THP-1 cells were prepared from Pasteur Institute of Iran. Cells were cultivated and exposed to lipopolysaccharide (LPS) stimulation without, or in the presence of, DEX, IBP, or escin. The gene expressions of IL-1β, TNF-α, IL-18, COX-2, and iNOS were evaluated by real-time PCR. Concentrations of NO and PGE2 were measured by ELISA methods. Our cells secreted an increased amounts of IL-1β, TNF-α, IL-18, COX-2, iNOS, NO, and PGE2 in response to LPS stimulation in all conditions. Escin can quench the gene expression of COX-2, iNOS, IL-1β, IL-18, and TNF-α in synoviocyte cells and production of NO and PGE2 in monocyte/macrophage cells alike DEX and IBP. We can use from escin for the treatment of osteoarthritis as an anti-inflammatory agent in the latter but further studies to support the results from such a model are needed.


Synoviocyte DEX Escin IBP Monocytes/macrophages Osteoarthritis 


Compliance with ethical standards




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Copyright information

© International League of Associations for Rheumatology (ILAR) 2018

Authors and Affiliations

  • Hossein Maghsoudi
    • 1
  • Jamal Hallajzadeh
    • 2
  • Mozhghan Rezaeipour
    • 3
  1. 1.Department of BiologyPayame Noor University TehranTehranIran
  2. 2.Department of Clinical BiochemistryMaraghe University of Medical ScienceMaragheIran
  3. 3.Rheumatology Research Center, Firoozgar HospitalIran University of Medical ScienceTehranIran

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