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702 Section |IX Gases, Solvents and Other Industrial Toxicants




  VetBooks.ir  molecules) by a process known as gap junctional intercel-  ACKNOWLEDGMENTS
             lular communication (GJIC). GJIC maintains tissue
                                                                We thank Dr. Suryanarayana Vulimiri of National Center for
             homeostasis and is involved in growth, development,
             and differentiation (Lau et al., 2007). Trosko and Rush  Environmental Assessment of USEPA, Research Triangle Park, NC
                                                                and Dr. Ramesh Gupta of Murray State University, Hopkinsville,
             (1998) suggested that loss of GJIC plays a role in carcino-
                                                                KY for their excellent comments on an earlier version of this chap-
             genesis. Hu et al. (2002) showed that rats exposed orally  ter. The contents of this article have been reviewed by the National
             (5 mg/kg) for 3 days or 3 weeks inhibit GJIC, and GJIC  Health and Environmental Effects Research Laboratory of the U.S.
             is also inhibited in a dose-dependent manner in rat liver  Environmental Protection Agency and approved for publication.
             and dolphin kidney cell lines. However, the pathophysio-  Approval does not signify that the contents necessarily reflect the
             logical significance of GJIC inhibition with regard to  views and policies of the Agency, nor does mention of trade names
             the carcinogenic mode of action for PFOS and PFOA is  or commercial products constitute endorsement or recommendation
             unclear.                                           for use.
                It is important to mention that PBDEs, PFOS, and
             PFOA have strong potential for reproductive and develop-
             mental toxicity (Johansson et al., 2009; Abdelouahab  REFERENCES
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                                                                  (FOSAA, T-6868), perfluorooctanesulfonamido acetate (FOSAA T-
             CONCLUDING REMARKS AND FUTURE                        7071), and/or perfluorooctanesulfonamide (FOSA, T-7132) in rats
                                                                  and guinea pigs following oral dosing. Final Report, July 16, 2004.
             DIRECTIONS
                                                                  U.S. EPA Administrative Record, AR-226-1813.
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                                                                Alaee, M., Arias, P., Sjodin, A., et al., 2003. An overview of commer-
             decades, there has been a great deal of progress in under-
                                                                  cially used brominated flame retardants, their applications, their use
             standing the distribution of these pollutants in the global
                                                                  patterns in different countries/regions and possible modes of release.
             environment, wildlife, and humans (Kodavanti and     Environ. Int. 29, 683 689.
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                                                                  nesulfonate and N-ethyl perfluorooctanesulfonamido ethanol: perox-
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                                                                Birnbaum, L.S., Bergman, A., 2010. Brominated and chlorinated flame
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                                                                  done about it? Lecture at Green Building. McCormick Place West,
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                                                                Buck, R.C., 2015. Toxicology Data for Alternative “Short-Chain”
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                                                                  Fluorinated Substances. Toxicological Effects of Perfluoroalkyl and
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             the market.                                          620 625.
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