Effect of nutritional status on mutagenicity of urine excreted by rats treated with standard/experimental carcinogens.

Abstract:

:Urine samples, collected from Sprague Dawley rats treated with extracts of tobacco/masheri, benzo (a) pyrene, N'-nitrosonornicotine, N'-nitrosodiethylamine and maintained on semi-synthetic diets sufficient or deficient in Vitamin A, B and protein were tested for mutagenicity using Salmonella/microsome assay. The mutagenic activity of urine or various treated groups was in the order deficient diet greater than standard laboratory diet greater than nutritionally sufficient diet. Present results confirmed the earlier observations that nutritionally deficient animals are likely to have more exposure to mutagenic metabolites that are generated by increased phase I enzymes and decreased detoxification system.

journal_name

Indian J Exp Biol

authors

Ammigan N,Nagabhushan M,Nair UJ,Amonkar AJ,Bhide SV

subject

Has Abstract

pub_date

1990-08-01 00:00:00

pages

711-3

issue

8

eissn

0019-5189

issn

0975-1009

journal_volume

28

pub_type

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