They assessed in the perirenal region of PPGL higher expression of UCP1, CIDEA, ELOVL3, EBF3, FBXO31 and LHX8, but not TNFSRF9, TBX1 or TMEM26, in comparison with seven subjects with non-functional adrenal tumors [47]. Here, TMEM26 is linked to adrenal gland neoplasm.