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Synergism of iron and hexachlorobenzene inhibits hepatic uroporphyrinogen decarboxylase in inbred mice.


ABSTRACT: The combination of a single subcutaneous dose of iron (12.5 mg/mouse) and subsequent treatment with hexachlorobenzene (0.02% of the diet) caused a progressive inhibition of hepatic uroporphyrinogen decarboxylase in male C57BL/10 mice leading to the accumulation of uroporphyrin in 4-6 weeks. There was only a slight inhibition of the enzyme in the absence of iron and none without hexachlorobenzene. Females were less sensitive than males. In addition, comparisons between the C57BL/10, BALB/c, AKR and DBA/2 strains indicated that the susceptibilities of mice to induction of porphyria did not completely correlate with their classification as Ah-responsive or Ah-non-responsive.

SUBMITTER: Smith AG 

PROVIDER: S-EPMC1152331 | biostudies-other | 1983 Sep

REPOSITORIES: biostudies-other

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