title: Isotopic microassay of histamine, histidine, histidine decarboxylase and histamine methyltransferase in brain tissue.
mesh_terms: D000818:Animals; D001921:Brain / Q000201:enzymology; D001923:Brain Chemistry; D001933:Brain Stem / Q000032:analysis; D002247:Carbon Isotopes; D002262:Carboxy-Lyases / Q000037:antagonists & inhibitors / Q000378:metabolism*; D002531:Cerebellum / Q000032:analysis; D002540:Cerebral Cortex / Q000032:analysis; D003342:Corpus Striatum / Q000032:analysis; D006624:Hippocampus / Q000032:analysis; D006632:Histamine / Q000032:analysis*; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D006639:Histidine / Q000032:analysis*; D007031:Hypothalamus / Q000032:analysis; D008297:Male; D008722:Methods; D008780:Methyltransferases / Q000378:metabolism*; D008832:Microchemistry; D051381:Rats; D012436:S-Adenosylmethionine / Q000378:metabolism; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D006634:Histamine H1 Antagonists; D014316:Tritium; D006639:Histidine; D012436:S-Adenosylmethionine; D006632:Histamine; D008780:Methyltransferases; D002262:Carboxy-Lyases