by Wiley Credit: CC0 Public Domain Tyrosine kinases are enzymes that play central roles in signaling by cytokines involved in the pathogenesis of autoimmune diseases, including lupus. A recent phase 2 clinical trial published in Arthritis & Rheumatology has generated promising results for deucravacitinib, an oral inhibitor of tyrosine kinase 2 (TYK2), in patients with active lupus....