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. 2012 Apr 27;2:15. doi: 10.1186/2045-3701-2-15

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Copyright ©2012 Majone and Jeang; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cytogenetic effects in hamster and mouse cells. a.Frequency of micronuclei (MN) in hamster (CHO, xrs-6) and mouse (DNA PKcs+/+, DNA PKcs−/−, XRCC4+/+, XRCC4−/−) cells transfected with the GFP or GFP-Tax expression plasmids. xxx: significantly different (P < 0.001) compared to values found in the respective control cells, made up of the same type of cells transfected with the GFP plasmid. x: significantly different (P < 0.05) compared to values found in the respective xrs-6 cells transfected with the GFP plasmid. _°°°: significantly different (P < 0.001) compared to values found in the respective wild type control cells transfected with the GFP expression plasmid. □□: significantly different (P < 0.01) compared to values found in the respective XRCC4+/+ cells transfected with the GFP plasmid. b. Frequency of incorporation of DIG-dUTP in nuclei of hamster (CHO, XRS-6) and mouse (DNA PKcs+/+, DNA PKcs−/−, XRCC4+/+, XRCC4−/−) cells transfected with the GFP or GFP-Tax expression plasmid. xxx: significantly different (P < 0.001) compared to values found in the respective control cells, made up of the same type of cells transfected with the GFP plasmid. _°°°: significantly different (P < 0.001) compared to values found in CHO cells transfected with the GFP plasmid. _°°: significantly different (P < 0.01) compared to values found in the XRCC4+/+ cells transfected with the GFP plasmid. c. Frequency of MN in H2AX+/+ and H2AX−/− cells showing GFP or GFP-Tax proteins. xxx: significantly different (P < 0.001) compared to values found in the respective control cells, transfected with the GFP expression plasmid. _°°°: significantly different (P < 0.001) compared to values found in the respective wild type control cells transfected with the GFP expression plasmid. d. Frequency (%) of DIG-dUTP incorporation in nuclei of H2AX+/+ and H2AX−/− cells showing GFP or GFP-Tax proteins. xxx: significantly different (P < 0.001) compared to values found in H2AX+/+ cells, transfected with the GFP plasmid. xx: significantly different (P < 0.01) compared to values found in H2AX−/− cells transfected with the GFP plasmid. _°°°: significantly different (P < 0.001) compared to values found in H2AX+/+ cells transfected with the GFP plasmid.