Table 4

Summary of LOH analysis of FAT gene locus in astrocytic tumors (20 grade II and 20 grade IV) by RFLP using SNP markers.

Summary of LOH detected with each SNP markers

SNP-Markers
rs22 76930
rs37 33414
rs45 5600
rs21 3090
rs45 0320
rs76 63350
rs11 93110
rs12 98865

Informative samples
Grade II
0/20 (0%)
15/20 (75%)
7/20 (35%)
9/20 (45%)
12/20 (60%)
7/20 (35%)
2/20 (10%)
0/20 (0%)



Grade IV
0/20 (0%)
8/20 (40%)
6/20 (30%)
6/20 (30%)
10/20 (50%)
0/20 (0%)
2/20 (10%)
1/20 (5%)

LOH per informative samples
Grade II
0/20 (0%)
2/15 (13.33%)
2/7 (28.57%)
3/9 (33.33%)
4/12 (33.33%)
0/7
(0%)
0/2
(0%)
0/0
(0%)



Grade IV
0/20 (0%)
3/8 (37.5%)
2/6 (33.33%)
3/6 (50%)
5/10 (50%)
0/0
(0%)
1/2 (50%)
1/1 (100%)

Total LOH
(Grade II & IV)
0/20 (0%)
5/23
21.73%
4/13
30.73%
6/15
40%
9/22
40.90%
0/7
(0%)
1/4
25%
1/1 100%











LOH per informative samples

Samples
Grade II (N = 20)
Grade IV (N = 20)
Grade II&IV (N = 40)

Overall SNP LOH per
informative samples
8/19*
(42.10%)
11/19*
(57.89%)
19/38
(50%)

And SNP LOH detected per informative samples (Grade II and IV) with all SNP markers.

* In both grade II and grade IV one sample each were uninformative with all the SNP markers used.

Chosdol et al. BMC Cancer 2009 9:5   doi:10.1186/1471-2407-9-5