tyk2 makes sense to inhibit in PsA. Part of kinase family including JAK/TYK2, TYK2 is ⬆️in PsA. Deficiency of TYK2 gives less autoimmune diseases. @RheumNow @eular_org #EULAR2021 BMS Tyk Talk symposium https://t.co/knP9n0Qc0u