Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.2.1.31 (beta-glucuronidase)
7,680 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The oral LD50 of hymenoxon in Swiss white mice was found to be 241 +/- 37 mg/kg. No significant sex differences were observed. Pretreatment of male mice for 3 days using doses of 50 and 100 mg/kg hymenoxon failed to alter significantly pentobarbital sleeping time. Hymenoxon was found to be a direct-acting mutagen in the Salmonella/mammalian microsome test. Urine samples obtained from hymenoxon-treated mice were found to be negative activity when tested directly and when incubated with beta-glucuronidase. Hymenoxon did not produce lethal DNA damage as measured in the Escherichia coli polA or Bacillus subtilis recombinational assays.
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PMID:Toxicity and mutagenicity of hymenoxon, sequiterpene lactone. 733 Sep