Intraperitoneal administration of azaserine to adult rats resulted in characteristic alterations of rough endoplasmic reticulum, large areas of focal degradation and formation of osmiophilic plaques in pancreatic acinar cells. The hepatocytes showed a marked enlargement of the crystalloid of microbodies, disorganization of endoplasmic reticulum and focal degradation. The lesions were similar to those produced by ethionine. Oral administration of azaserine produced a similar but less drastic change.

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Supported by USPHS Grants CA-05310 and CA-03544 from the National Cancer Institute.

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©1965 American Association for Cancer Research.
1965
Cancer Research, Inc.