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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Publication Detail

Title: Effect of aliphatic amides on oncogenic transformation, sister chromatid exchanges, and mutations induced by cyclopenta[cd]-pyrene and benzo[a]pyrene.

Authors: Krolewski, B; Nagasawa, H; Little, J B

Published In Carcinogenesis, (1986 Oct)

Abstract: We examined the effects of the aliphatic amides isopropyl-valeramide (IVA) and allylisopropylacetamide (AIA) on oncogenic transformation and sister chromatid exchanges (SCE) induced by cyclopenta[cd]pyrene (CPP) and benzo[a]pyrene (B[a]P) in C3H/10T1/2 cells and on B[a]Pdiol-epoxide (BPDE)-induced mutation at the HGPRT locus in Chinese hamster ovary (CHO) cells. IVA and AIA significantly suppressed B[a]P and CPP transformation in vitro. Both amides were effective when given just prior to, simultaneously with, or 24 h after carcinogen exposure. On the other hand, IVA and AIA did not affect cytotoxicity, the frequencies of SCE induced by CPP or B[a]P, nor BPDE-induced mutations in CHO cells. These and previous results suggest that the mechanism of inhibition of transformation by IVA or AIA may be very specific and probably not related to the early initiation event in oncogenic transformation in vitro.

PubMed ID: 3093110 Exiting the NIEHS site

MeSH Terms: No MeSH terms associated with this publication

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