NewslettersImmune Regulation News The Neuropeptide VIP Potentiates Intestinal Innate Type 2 and Type 3 Immunity in Response to Feeding By Danielle Corrigan - May 3, 2022 0 Investigators showed that vasoactive intestinal peptide (VIP), produced by the nervous system in response to feeding, potentiated the production of effector cytokines by intestinal type 2 and type 3 innate lymphoid cells. [Mucosal Immunology] Abstract