TNFSF13B and systemic lupus erythematosus: In 2019, we also demonstrated that belimumab, an inhibitor of B-lymphocyte stimulator (BLyS), is able to inhibit the apoptotic effect induced by BLyS on the progenitor of SLE endothelial cells, thus providing the first evidence of the modulatory property of this treatment on endothelial cell autophagy [49].