Focusing on vasoactive intestinal peptide (VIP), pituitary adenylate cyclase-activating polypeptide (PACAP), and the cognate VPAC receptors, Dina Hartmann from the group of Björn Tackenberg (Marburg) provided novel data on the neuroendocrine modulation of T cell responses in MS. Here, ADCYAP1 is linked to myeloid sarcoma.