PT - JOURNAL ARTICLE AU - Sho Mokuda AU - Tadahiro Tokunaga AU - Junya Masumoto AU - Eiji Sugiyama TI - Angiotensin-converting Enzyme 2, a SARS-CoV-2 receptor, Is Upregulated by Interleukin 6 through STAT3 Signaling in Synovial Tissues AID - 10.3899/jrheum.200547 DP - 2020 Jul 01 TA - The Journal of Rheumatology PG - jrheum.200547 4099 - http://www.jrheum.org/content/early/2020/07/27/jrheum.200547.short 4100 - http://www.jrheum.org/content/early/2020/07/27/jrheum.200547.full AB - The severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) has spread explosively worldwide and resulted in a pandemic of a new respiratory disease called coronavirus disease 2019 (COVID-19) in 2020. Symptoms of COVID-19 include fever, malaise, cough, and in severe cases, pneumonia and acute respiratory distress syndrome1,2.