s adenosylmethionine 26 S-Adenosylmethionine 16 article 16 Porphobilinogen Synthase 14 human 14 mouse 14 porphobilinogen synthase 14 Liver 12 Mice 12 animal experiment 12 Support, Non-U.S. Gov't 10 glutathione 10 intoxication 10 nonhuman 10 oral drug administration 10 Animal 8 Animalia 8 Glutathione 8 Male 8 clinical article 8 female 8 male 8 porphyria cutanea tarda 8 Animals 6 Cyanides 6 Lead Poisoning 6 Thiosulfate Sulfurtransferase 6 Thiosulfates 6 adult 6 chloroquine 6