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Biochemical Effects of the Porphyrinogenic Drug Allyisopropylacetamide

Rao, MRS and Padmanaban, G (1973) Biochemical Effects of the Porphyrinogenic Drug Allyisopropylacetamide. In: Biochemical Journal, 134 (4). pp. 859-868.

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Official URL: http://www.ncbi.nlm.nih.gov/pubmed/4357714


Successive administrations of allylisopropylacetamide, a potent porphyrinogenic drug, increase liver weight, microsomal protein and phospholipid contents. There is an increase in the rate of microsomal protein synthesis in vivo and in vitro. The drug decreases microsomal ribonuclease activity and increases NADPH-cytochrome c reductase activity. Phenobarbital, which has been reported to exhibit all these changes mentioned, is a weaker inducer of delta-aminolaevulinate synthetase and increases the rate of haem synthesis only after a considerable time-lag in fed female rats, when compared with the effects observed with allylisopropylacetamide. Again, phenobarbital does not share the property of allylisopropylacetamide in causing an initial decrease in cytochrome P-450 content. Haematin does not counteract most of the biochemical effects caused by allylisopropylacetamide, although it is quite effective in the case of phenobarbital. Haematin does not inhibit the uptake of [2-(14)C]allylisopropylacetamide by any of the liver subcellular fractions.

Item Type: Journal Article
Publication: Biochemical Journal
Publisher: Portland Press
Additional Information: Copyright of this article belongs to Portland Press.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 14 Jul 2010 07:03
Last Modified: 19 Sep 2010 06:10
URI: http://eprints.iisc.ac.in/id/eprint/28719

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