Related Experiment Video
Updated: Jul 21, 2026

Antigen-Capture Enzyme-Linked Immunosorbent Assay for Specific Detection of Mycoplasma pneumoniae
Published on: February 24, 2023
Relationship between rheumatoid arthritis and Mycoplasma pneumoniae: a case-control study
A S Ramírez1, A Rosas, J A Hernández-Beriain
1Unit of Epidemiology and Preventive Medicine, Veterinary Faculty, University of Las Palmas de G.C., Trasmontaña s/n, Arucas 35416, Las Palmas, Spain. aramirez@dpat.ulpgc.es
Mycoplasma pneumoniae antibodies were linked to rheumatoid arthritis (RA). This suggests the bacteria may play a role in RA development, warranting further investigation into this infectious agent and autoimmune disease connection.
Area of Science:
- Immunology
- Microbiology
- Rheumatology
Background:
- Rheumatoid arthritis (RA) is a complex autoimmune disease with multifactorial origins.
- Infectious agents are suspected triggers for RA pathogenesis.
- Chronic arthritis in animals caused by mycoplasmas shares features with RA.
Purpose of the Study:
- To investigate the association between Mycoplasma pneumoniae infection and rheumatoid arthritis.
- To evaluate the role of M. pneumoniae as a potential cofactor in RA etiology.
Main Methods:
- A case-control study design was employed.
- Sera from 78 RA patients and 156 controls were analyzed for immunoglobulin G (IgG) antibodies against M. pneumoniae.
- Data on potential confounding factors including age, gender, and history of pneumonia were collected via questionnaire.
Main Results:
- A statistically significant association was found between the presence of antibodies against M. pneumoniae and RA.
- The odds ratio for RA in the presence of M. pneumoniae antibodies was 2.34 (P<0.001).
Conclusions:
- Mycoplasma pneumoniae may act as a cofactor in the pathogenesis of rheumatoid arthritis.
- Further research is necessary to elucidate the precise role of M. pneumoniae in RA development.
Related Concept Videos
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
Pneumonia II: Pathophysiology
Rheumatic Heart Disease I: Introduction
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
Atypical Pneumonia
Pneumonia I: Introduction

