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This study was undertaken to determine the effects of 5-fluorouracil on corticosteroidogenesis and adrenal size in the rat. The rats were injected intraperitoneally with 5-FU (12.5 mg kg-1 or 25 mg kg-1), normal saline or actinomycin D (0.02 mg kg-1), daily for 10 days. High-dose 5-FU induces adrenal hyperplasia, in association with mild impairment of corticosteroidogenesis (manifest by lower corticosterone and higher ACTH levels). The response to low-dose 5-FU and actinomycin D is of lesser adrenal hyperplasia, relative to high-dose 5-FU (P less than 0.05) and elevated corticosterone levels. There may be a dose-related effect on the suppression of corticosteroidogenesis in the rat by 5-FU.

Original publication

DOI

10.1007/bf02934561

Type

Journal article

Journal

Med Oncol Tumor Pharmacother

Publication Date

1986

Volume

3

Pages

101 - 104

Keywords

Adrenal Cortex, Adrenal Cortex Hormones, Adrenal Glands, Adrenocorticotropic Hormone, Animals, Corticosterone, Fluorouracil, Male, Organ Size, Rats, Rats, Inbred Strains