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In order to assess the potential of cytogenetic determinations on peripheral blood lymphocytes as a means of monitoring human populations subject to low level occupational and environmental exposures to chemical mutagens and carcinogens, accurate baseline data are required. Accordingly, we have determined mean frequencies of chromosomal aberrations and of(More)
Human lymphocytes were treated in G1 with 4-nitroquinoline-N-oxide (4NQO) and methyl methanesulfonate (MMS) and then incubated in the presence or absence of cytosine arabinoside (ara-C). There was an increase in aberration frequency in those cells incubated with ara-C compared with those treated with 4NQO or MMS alone. This increase was restricted to(More)
We have previously reported on a cytogenetic-epidemiological study of chromosomal aberration and sister-chromatid exchange (SCE) frequencies in peripheral blood lymphocytes (PBL) of a cohort of 353 healthy employees of the Brookhaven National Laboratory (Bender et al., 1988). This sample has now been increased in order to extend the age range represented(More)