the results of these studies demonstrated : ( 1 ) phospholipid methyltransferase activity in rat colonic plasma membranes was increased concomitantly with increases in the cellular levels of s-adenosylmethionine and the s-adenosylmethionine/s-adenosylhomocysteine ratio in the distal colonic segment of treated-animals ;
C0007603
plasma membranes
C0007634
cellular