Supporting information for Zhang et al. (2003) Proc. Natl. Acad. Sci. USA, 10.1073/pnas.2627983100
Table 19. Chromosomal clustering analysis of genes whose expression was altered specifically during senescence (M1) in two individual HMEC lines (48R and 184)
No. of genes | Chr. distances | No. of clusters | P value | No. of clustered genes | P value | |||
Observed | Expected | Observed | Expected | |||||
Senescence down-regulation in 48R | 349 | 1 kb | 0 | 0.14 | 0.125 | 0 | 0.28 | 0.125 |
2 kb | 1 | 0.38 | 0.065 | 2 | 0.76 | 0.065 | ||
5 kb | 1 | 0.96 | 0.248 | 2 | 1.92 | 0.25 | ||
10 kb | 3 | 1.57 | 0.062 | 6 | 3.15 | 0.062 | ||
20 kb | 3 | 2.63 | 0.285 | 6 | 5.28 | 0.288 | ||
50 kb | 4 | 5.18 | 0.586 | 8 | 10.4 | 0.595 | ||
100 kb | 8 | 8.85 | 0.524 | 17 | 17.9 | 0.524 | ||
200 kb | 17 | 15.2 | 0.257 | 35 | 31 | 0.271 | ||
500 kb | 34 | 29.9 | 0.155 | 71 | 62.4 | 0.166 | ||
1 Mb | 48 | 46.2 | 0.313 | 104 | 99.1 | 0.298 | ||
2 Mb | 67 | 66.1 | 0.387 | 150 | 149.2 | 0.461 | ||
5 Mb | 86 | 88.2 | 0.66 | 218 | 224.8 | 0.761 | ||
Senescence down-regulation in 184 | 218 | 1 kb | 1 | 0.07 | 0.004 | 2 | 0.14 | 0.004 |
2 kb | 2 | 0.14 | <0.001 | 4 | 0.27 | <0.001 | ||
5 kb | 2 | 0.34 | 0.006 | 4 | 0.68 | 0.006 | ||
10 kb | 2 | 0.63 | 0.025 | 4 | 1.26 | 0.026 | ||
20 kb | 4 | 1.05 | 0.003 | 8 | 2.1 | 0.003 | ||
50 kb | 5 | 1.98 | 0.012 | 10 | 3.99 | 0.012 | ||
100 kb | 9 | 3.56 | 0.003 | 18 | 7.17 | 0.003 | ||
200 kb | 10 | 6.18 | 0.047 | 20 | 12.5 | 0.054 | ||
500 kb | 18 | 12.6 | 0.037 | 36 | 25.8 | 0.051 | ||
1 Mb | 27 | 20.5 | 0.03 | 55 | 42.7 | 0.051 | ||
2 Mb | 37 | 31.4 | 0.069 | 76 | 68 | 0.161 | ||
5 Mb | 51 | 47.9 | 0.177 | 118 | 112 | 0.229 |
The occurrence of perturbed gene expression in two or more genes located within the distance shown defined a chromosomal cluster.