RT Journal Article SR Electronic T1 Autoantigen TRIM21/Ro52 is expressed on the surface of antigen-presenting cells and its enhanced expression in Sjögren’s syndrome is associated with B cell hyperactivity and type I interferon activity JF RMD Open JO RMD Open FD EULAR SP e001184 DO 10.1136/rmdopen-2020-001184 VO 6 IS 2 A1 Maarten R Hillen A1 Katia Urso A1 Emma Koppe A1 Ana Pinheiro Lopes A1 Sofie L M Blokland A1 Aridaman Pandit A1 Tom Slocombe A1 André van Maurik A1 Joel A G van Roon A1 Timothy R D J Radstake YR 2020 UL http://rmdopen.bmj.com/content/6/2/e001184.abstract AB