Exposure to air pollutants and rheumatoid arthritis biomarkers: A scoping review.

Introduction: Rheumatoid arthritis (RA) is a common autoimmune disease with a complex and poorly understood etiology that includes genetic, hormonal, and environmental factors.

Objective: Our objective was to assess current literature that investigated the association between exposure to environmental and occupational air pollutants and RA-related biomarkers rheumatoid factor (RF) and anti-citrullinated peptide antibody (ACPA).

Design: PubMed and Web of Science were used to identify epidemiological studies that measured or estimated air pollution and at least one RA biomarker.