title: The occurrence of substances in human serum which can regulate porphyrin synthesis in liver cells.
mesh_terms: D000081:Acetamides / Q000037:antagonists & inhibitors; D000217:Acyltransferases / Q000037:antagonists & inhibitors; D000498:Allyl Compounds / Q000037:antagonists & inhibitors; D000818:Animals; D001774:Blood Chemical Analysis; D002642:Chick Embryo; D005260:Female; D006418:Heme / Q000096:biosynthesis; D006801:Humans; D066298:In Vitro Techniques; D007982:Levulinic Acids; D008099:Liver / Q000378:metabolism*; D011166:Porphyrins / Q000096:biosynthesis*; D013057:Spectrum Analysis; D013386:Succinates
chemical_list: D000081:Acetamides; D000498:Allyl Compounds; D007982:Levulinic Acids; D011166:Porphyrins; D013386:Succinates; D006418:Heme; D000217:Acyltransferases