Table 3.
Telomere fusions accumulate in DNA-PKcs-deficient kidney cells
Genotypes* | Cell analyzed | Aneuploid (%) | Total fusions (% mean ± S.E.) | Fusions with TTAGGG repeats† (% mean ± S.E.) | Fragments (%) | Breaks (%)
|
|
---|---|---|---|---|---|---|---|
Chromosome | Chromatid | ||||||
+/+ | 50 | 1 (2.0) | 0 (0) | 0 (0) | 1 (2.0) | 0 (0) | 0 (0) |
+/+ | 52 | 1 (1.9) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
+/− | 56 | 9 (16.1) | 1 (1.8 ± 1.8) | 1 (1.8 ± 1.8)‡ | 5 (8.9) | 0 (0) | 1 (1.8) |
+/− | 55 | 14 (25.5) | 2 (3.6 ± 2.5) | 2 (3.6 ± 2.5)‡ | 8 (14.5) | 1 (1.8) | 0 (0) |
−/− | 58 | 21 (36.2) | 16 (27.6 ± 6.9) | 12 (20.7 ± 6.4)§ | 12 (20.7) | 3 (5.2) | 2 (3.5) |
−/− | 61 | 30 (49.2) | 18 (29.5 ± 6.8) | 18 (29.5 ± 6.8)§ | 8 (13.1) | 3 (4.9) | 1 (1.6) |
Independently isolated littermates.
Number of fusions with telomeres at the fusion point. These values are included in the total fusions column.
Comparison between all lines of wild-type and +/− MEFs; P value = 0.28.
Comparison between all lines of wild-type and −/− MEFs; P value = 1.5 × 10−7.