SDHB and hereditary pheochromocytoma-paraganglioma: To better understand alterations in the redox status within SDHB-mutated PCPGs, we established SDHBKD PCPG cell lines based on the mouse pheochromocytoma cell line MPC (MPC SDHBKD) and the human cell line hpheo1 (hpheo1 SDHBKD).