This process is strictly regulated by neuropeptides, including diuretic hormone 31 (DH31) (Coast et al., 2001), diuretic hormone 44 (DH44), leucokinin (Cannell et al., 2016), and capa (Terhzaz et al., 2015), as well as antidiuretic hormones such as ITP. The gene discussed is AVP; the disease is autoimmune thrombocytopenic purpura.