TAC1 and neuroblastoma: Therefore, as a first step we assessed expression levels for the NK1R/SP complex (TACR1, TAC1) of the most common childhood malignancies from the cBio Cancer Genomics Portal, focusing on acute myeloid leukemia, acute lymphoblastic leukemia, neuroblastoma, and Wilms’ tumor, and compared them to the expression levels in rhabdoid tumors [28].