Table 2.
Chromosome Aberrations in Ionizing Radiation (IR)–Treated 3Y1/Vector and 3Y1/MUC1-CD Cells
| 3Y1/Vector | 3Y1/MUC1-CD | |||
|---|---|---|---|---|
| Aberrations | IR− | IR+ | IR− | IR+ |
| Chromosome breaks | 0 | 0 | 0 | 0 |
| Chromatid breaks | 0 | 1 | 0 | 0 |
| Triradial (tr) and quadriradial | 4 | 3 | 0 | 0 |
| Complex radial | 0 | 0 | 0 | 0 |
| Dicentric chromosomes | 0 | 0 | 0 | 0 |
| Tricentric chromosomes | 0 | 0 | 0 | 0 |
| Ring chromosomes | 0 | 4 | 0 | 3 |
| Double minutes | 4 | 34 | 9 | 8 |
| Acentric fragments | 31 | 278 | 38 | 84 |
| Telomeric association (of acrocentric chromosomes) | 0 | 0 | 0 | 0 |
| Fission (centrometric, longitudinal) | 13 | 16 | 0 | 0 |
| Total # aberrations | 52 | 336 | 47 | 95 |