Elevated Autoantibody Levels and Low Lp-PLA2 Activity in Early Rheumatoid Arthritis
Author Information
Author(s): Lourida Evangelia S, Georgiadis Athanasios N, Papavasiliou Eleni C, Papathanasiou Athanasios I, Drosos Alexandros A, Tselepis Alexandros D
Primary Institution: University of Ioannina
Hypothesis
Patients with early rheumatoid arthritis exhibit elevated autoantibody titers against mildly oxidized low-density lipoprotein and decreased activity of lipoprotein-associated phospholipase A2.
Conclusion
Patients with early rheumatoid arthritis show low plasma Lp-PLA2 activity and elevated autoantibody titers against mildly oxidized LDL, indicating their potential role in the disease's pathophysiology.
Supporting Evidence
- ERA patients exhibited elevated autoantibody titers against all types of mildly oxidized LDL compared to controls.
- One year of therapy with DMARDs resulted in a significant decrease in autoantibody titers against all types of oxLDL.
- Low plasma Lp-PLA2 activity is independently associated with early rheumatoid arthritis.
Takeaway
People with early rheumatoid arthritis have higher levels of certain antibodies and lower enzyme activity that could affect their heart health.
Methodology
The study involved 58 patients with early rheumatoid arthritis and 63 healthy controls, measuring autoantibody titers and Lp-PLA2 activity using ELISA and other biochemical methods.
Limitations
The study's findings need to be confirmed in larger clinical trials.
Participant Demographics
58 patients with early rheumatoid arthritis (14 men, 44 women) and 63 healthy volunteers.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website