title: Inhibition and activation of histamine methyltransferase by methylated histamines.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002855:Chromatography, Thin Layer; D004789:Enzyme Activation / Q000187:drug effects; D005753:Gastric Mucosa / Q000187:drug effects / Q000201:enzymology*; D006632:Histamine / Q000031:analogs & derivatives* / Q000494:pharmacology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008745:Methylation; D008780:Methyltransferases / Q000037:antagonists & inhibitors / Q000378:metabolism*; D013045:Species Specificity; D013329:Structure-Activity Relationship; D013552:Swine
chemical_list: D002250:Carbon Radioisotopes; D006632:Histamine; D008780:Methyltransferases