HEIDELBERG UNIVERSITY IMAGE: SECTION OF MOUSE DORSAL HORN SPINAL CORD. BLUE MARKS CELL NUCLEI, RED THE NEURONS. GREEN HIGHLIGHTS THE ACETYLATION LEVEL OF HISTONE 3, USED TO MEASURE THE ACTIVITY OF HDAC4. CREDIT: DANIELA MAUCERI One epigenetic factor as well as one organic anion transporter (OAT1), whose function in the nervous system was hitherto unknown,...