... ofmonocyte interleukin-1 synthesis. Eur J Immunol 1994,24 :31 48 -31 54.24. Lacraz S, Isler P, Vey E, Welgus HG, Dayer JM: Direct contactbetween T lymphocytes and monocytes is a major pathway forinduction ... bloodor synovial fluid lymphocytes induced TNF production bymonocytic cells within 24 hours, an effect that was mainlymediated by NK cells. In turn, monocytic cells induced CD69expression and IFN-γ ... Blood1999, 93: 3 531 -35 39.22. Ribbens C, Dayer JM, Chizzolini C: CD40-CD40 ligand (CD154)engagement is required but may not be sufficient for human Thelper 1 cell induction of interleukin-2- or interleukin-15-driven,...