PHEO
At both the protein and mRNA levels, MAOA and COMT are detected less often in PHEO compared with adrenal medulla, conversely to tyrosine hydroxylase, L-amino acid decarboxylase, and dopamine ?-hydroxylase, much more expressed in tumor tissue.
At both the protein and mRNA levels, MAOA and COMT are detected less often in <span class="disease" id="22569243-9-78-82">PHEO</span> compared with adrenal medulla, conversely to tyrosine hydroxylase, L-amino acid decarboxylase, and <span class="gene" id="22569243-9-182-204">dopamine &beta;-hydroxylase</span>, much more expressed in tumor tissue.