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THE ACTION OF 1·2 : 5·6 DIBENZANTHRACENE ON THE METABOLISM OF RATS
1 The Department of Pharmacology, University of Edinburgh
1. Injection of 10 mg. followed by 15 mg. of 1·2 : 5·6 dibenzanthracene in adult rats did not alter the metabolic rate or the food consumption.
2. These injections, however, produced a prolonged loss of weight and death in 4 out of 8 rats. The deaths occurred 42 to 65 days after injection.
3. The inhibition of the growth of young rats by 1·2 : 5·6 dibenzanthracene was not affected by treating the rats with thyroid or insulin.
4. 1·2 : 5·6 dibenzanthracene in large doses did not affect normal cestrus in rats.
This work was made possible by a grant from the Medical Research Council for the maintenance of animals and laboratory expenses, and by a personal grant from the Cancer Control Organisation for South-East Scotland. Thanks are also due to Dr. C. M. Scott for advice and assistance.
Submitted on June 8, 1937
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