MIF and Its Role in Bone Destruction in Rheumatoid Arthritis
Author Information
Author(s): Kim Hae-Rim, Kim Kyoung-Woon, Jung Hong Geun, Yoon Kwang-Sup, Oh Hye-Jwa, Cho Mi-La, Lee Sang-Heon
Primary Institution: Konkuk University School of Medicine
Hypothesis
MIF may play an important role in the process of bone destruction in RA patients through the induction of RANKL or direct involvement of osteoclastogenesis.
Conclusion
MIF enhances osteoclastogenesis by upregulating RANKL expression in rheumatoid arthritis patients.
Supporting Evidence
- MIF concentration in RA patients was significantly higher than in OA patients.
- The concentration of RANKL correlated with that of MIF in RA synovial fluids.
- MIF stimulated the expression of RANKL mRNA and protein in RA synovial fibroblasts.
Takeaway
MIF is a protein that helps cells in the body called osteoclasts break down bone, which is important in diseases like rheumatoid arthritis.
Methodology
The study measured MIF and RANKL concentrations in synovial fluid and analyzed osteoclastogenesis using human peripheral blood mononuclear cells.
Participant Demographics
16 RA patients, mean age 63.4 ± 4.6 years.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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