The cytokine IL-18 can drive autoantibody production. Karlsson and colleagues show that such responses are limited by a three-way cellular interaction whereby splenic neutrophils activate both B cells and invariant natural killer T cells but the activated B cells are killed by FasL+ invariant natural killer T cells.
- Thomas Hägglöf
- Saikiran K Sedimbi
- Mikael C I Karlsson