Cytogenetic analysis of an exposed-referent study: perchloroethylene-exposed dry cleaners compared to unexposed laundry workers
Abstract
Background: Significant numbers of people are exposed to tetrachloroethylene (perchloroethylene, PCE) every year, including workers in the dry cleaning industry. Adverse health effects have been associated with PCE exposure. However, investigations of possible cumulative cytogenetic damage resulting from PCE exposure are lacking. Methods: Eighteen dry cleaning workers and 18 laundry workers (unexposed controls) provided a peripheral blood sample for cytogenetic analysis by whole chromosome painting. Pre-shift exhaled air on these same participants was collected and analyzed for PCE levels. The laundry workers were matched to the dry cleaners on race, age, and smoking status. The relationships between levels of cytological damage and exposures (including PCE levels in the shop and in workers’ blood, packyears, cumulative alcohol consumption, and age) were compared with correlation coefficients and t-tests. Multiple linear regressions considered blood PCE, packyears, alcohol, and age. Results: There were no significant differences between the PCE-exposed dry cleaners and the laundry workers for chromosome translocation frequencies, but PCE levels were significantly correlated with percentage of cells with acentric fragments (R2 = 0.488, p < 0.026). Conclusions: There does not appear to be a strong effect in these dry cleaning workers of PCE exposure on persistent chromosome damage as measured by translocations.more »
- Authors:
-
- Wayne State Univ., Detroit, MI (United States). Dept. of Biological Sciences; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Physical and Life Sciences Directorate
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Physical and Life Sciences Directorate
- National Institute for Occupational Safety and Health (NIOSH), Cincinnati, OH (United States)
- National Institute for Occupational Safety and Health (NIOSH), Washington, DC (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
- OSTI Identifier:
- 1626571
- Grant/Contract Number:
- AC52-07NA27344; W7405-ENG-48
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Environmental Health
- Additional Journal Information:
- Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 1476-069X
- Publisher:
- BioMed Central
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; 54 ENVIRONMENTAL SCIENCES; Environmental Sciences & Ecology; Public, Environmental & Occupational Health
Citation Formats
Tucker, James D., Sorensen, Karen J., Ruder, Avima M., McKernan, Lauralynn Taylor, Forrester, Christy L., and Butler, Mary Ann. Cytogenetic analysis of an exposed-referent study: perchloroethylene-exposed dry cleaners compared to unexposed laundry workers. United States: N. p., 2011.
Web. doi:10.1186/1476-069x-10-16.
Tucker, James D., Sorensen, Karen J., Ruder, Avima M., McKernan, Lauralynn Taylor, Forrester, Christy L., & Butler, Mary Ann. Cytogenetic analysis of an exposed-referent study: perchloroethylene-exposed dry cleaners compared to unexposed laundry workers. United States. https://doi.org/10.1186/1476-069x-10-16
Tucker, James D., Sorensen, Karen J., Ruder, Avima M., McKernan, Lauralynn Taylor, Forrester, Christy L., and Butler, Mary Ann. Thu .
"Cytogenetic analysis of an exposed-referent study: perchloroethylene-exposed dry cleaners compared to unexposed laundry workers". United States. https://doi.org/10.1186/1476-069x-10-16. https://www.osti.gov/servlets/purl/1626571.
@article{osti_1626571,
title = {Cytogenetic analysis of an exposed-referent study: perchloroethylene-exposed dry cleaners compared to unexposed laundry workers},
author = {Tucker, James D. and Sorensen, Karen J. and Ruder, Avima M. and McKernan, Lauralynn Taylor and Forrester, Christy L. and Butler, Mary Ann},
abstractNote = {Background: Significant numbers of people are exposed to tetrachloroethylene (perchloroethylene, PCE) every year, including workers in the dry cleaning industry. Adverse health effects have been associated with PCE exposure. However, investigations of possible cumulative cytogenetic damage resulting from PCE exposure are lacking. Methods: Eighteen dry cleaning workers and 18 laundry workers (unexposed controls) provided a peripheral blood sample for cytogenetic analysis by whole chromosome painting. Pre-shift exhaled air on these same participants was collected and analyzed for PCE levels. The laundry workers were matched to the dry cleaners on race, age, and smoking status. The relationships between levels of cytological damage and exposures (including PCE levels in the shop and in workers’ blood, packyears, cumulative alcohol consumption, and age) were compared with correlation coefficients and t-tests. Multiple linear regressions considered blood PCE, packyears, alcohol, and age. Results: There were no significant differences between the PCE-exposed dry cleaners and the laundry workers for chromosome translocation frequencies, but PCE levels were significantly correlated with percentage of cells with acentric fragments (R2 = 0.488, p < 0.026). Conclusions: There does not appear to be a strong effect in these dry cleaning workers of PCE exposure on persistent chromosome damage as measured by translocations. However, the correlation between frequencies of acentric fragments and PCE exposure level suggests that recent exposures to PCE may induce transient genetic damage. More heavily exposed participants and a larger sample size will be needed to determine whether PCE exposure induces significant levels of persistent chromosome damage.},
doi = {10.1186/1476-069x-10-16},
journal = {Environmental Health},
number = 1,
volume = 10,
place = {United States},
year = {Thu Mar 10 00:00:00 EST 2011},
month = {Thu Mar 10 00:00:00 EST 2011}
}
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Works referencing / citing this record:
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