[Search for Ki-ras codon 61 mutations in lung adenomas induced in neonatal BALB/c mice with 5-bromodesoxyuridine injection followed by urethane treatment].

Abstract excerpt

BALD/c mice were injected, s.c., 1 mg 5-bromodeoxyuridine (BDU) on days 1.3 and 7 after birth and/or 0.1 ml 5% solution of urethane, 5 times a day every fourth day, i.p., at the age of 3 months. Lung tumors, mostly adenomas, developed in 67% of males and 56% of females, treated with urethane alone. Tumor frequency in response to BDU + urethane rose to 91% in males and 56% in females; multiple neoplasia increased...

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