Paraoxonase-1: Possible Biomarker for Progression to RA Dr. Jonathan Kay discusses abstract 0464, Increases in Paraoxonase-1 Activity over Time Associates with Reduced Risk of Incident Inflammatory Arthritis in an Anti-Citrullinated Protein Antibody-Positive Population,… https://t.co/yhcCrrvjxH https://t.co/caf5dUvrOQ