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. 1979 Apr 15;180(1):241-4.
doi: 10.1042/bj1800241.

Studies on the mechanism of experimental porphyria produced by 3,5-diethoxycarbonyl-1,4-dihydrocollidine. Role of a porphyrin-like inhibitor of protohaem ferro-lyase

T R Tephly, A H Gibbs, F De Matteis

Studies on the mechanism of experimental porphyria produced by 3,5-diethoxycarbonyl-1,4-dihydrocollidine. Role of a porphyrin-like inhibitor of protohaem ferro-lyase

T R Tephly et al. Biochem J. .

Abstract

A green porphyrin-like pigment with inhibitory properties towards protohaem ferro-lyase activity was isolated from the livers of mice and rats after treatment with 3,5-diethoxycarbonyl-1,4-dihydrocollidine. Mice, which are more sensitive to the porphyrogenic properties of the drug, produce more inhibitor. The non-porphyrogenic analogue 3,5-diethoxycarbonylcollidine does not cause accumulation of the pigment in the liver. The inhibitory substance is present in control liver at low but measurable concentrations.

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