CRH and neuroblastoma: Several neuroendocrine tumor cell lines such as the PC12 pheochromocytoma, Y79 retinoblastoma, IMR-32 and SH-SY5Y neuroblastoma, AtT-20 pituitary carcinoma and NCI-H82 small cell lung cancer cell lines express CRF and the CRF1 receptor [19-22].