Background
Methods
Patient samples
Tissue microarray
Immunohistochemistry and quantification
Statistical analysis
Results
Patient characteristics
Characteristics | Patients (N = 74) |
---|---|
Median age-years (range) | 72 (46–89) |
> 60 years | 60 (81%) |
< 60 years | 14 (19%) |
Sex | |
Male | 45 (61%) |
Female | 29 (39%) |
ECOG | |
0 | 41 (55%) |
1 | 31 (42%) |
2 | 2 (3%) |
Status | |
Death | 7 (10%) |
Alive without disease | 59 (78%) |
Alive with disease | 7 (10%) |
N/A | 1 (1%) |
T Downstaging | |
0 | 28 (38%) |
1 | 39 (53%) |
N/A | 7 (9%) |
N Downstaging | |
0 | 20 (27%) |
1 | 47 (64%) |
N/A | 7 (9%) |
Grade | |
Low | 19 (26%) |
High | 47 (63%) |
N/A | 8 (11%) |
Stage | |
II | 4 (6%) |
III | 69 (93%) |
N/A | 1 (1%) |
Neoadjuvant Treatment | |
RT + Fluoropyrimidines based | 73 (99%) |
Other | 1 (1%) |
Treatment toxicity | |
Yes | 30 (41%) |
No | 44 (59%) |
Pathological Response | |
Complete | 9 (12%) |
Partial | 27 (37%) |
Minimun | 38 (51%) |
DEK | |
Low | 26 (35%) |
High | 48 (65%) |
High DEK expression associated with complete response to neoadjuvant chemoradiotherapy
Treatment Response | ||||
---|---|---|---|---|
DEK | No. Complete (% of DEK subpopulation) | No. Partial or minimum (% of DEK subpopulation) | P (chi-square) | P (Fisher) |
High | 9 | 39 | ||
n = 48 | (19%) | (82%) | ||
0,018 | 0,023 | |||
Low | 0 | 26 | ||
n = 26 | (0%) | (100%) |
DEK | |||
---|---|---|---|
Parameter | Low | High |
P
|
Gender | 0.553 | ||
Male | 17 | 28 | |
Female | 9 | 20 | |
Age | 0.758 | ||
< 60 years | 4 | 10 | |
> 60 years | 22 | 38 | |
T_Downstaging | 0.840 | ||
No | 10 | 18 | |
Yes | 13 | 26 | |
N_Downstaging | 0.626 | ||
No | 6 | 14 | |
Yes | 17 | 30 | |
Grade | 0.312 | ||
Low | 9 | 10 | |
High | 16 | 31 | |
Treatment toxicity | 0.086 | ||
Yes | 14 | 16 | |
No | 12 | 32 | |
ECOG | 0.843 | ||
0 | 14 | 27 | |
1–2 | 12 | 21 | |
Status | 0.544 | ||
Alive with disease or death | 6 | 8 | |
Alive without disease | 20 | 40 | |
Tumor size | 0.703 | ||
< 3 cm | 2 | 6 | |
> 3 cm | 24 | 41 | |
Stage | 0.613 | ||
II | 2 | 2 | |
III | 24 | 45 |
DEK expression associated with phospho-P38 expression in pre-treated rectal cancer biopsies
DEK \ phospho-P38 | Low | High | Total | P (chi-square) |
---|---|---|---|---|
Low | 15 | 15 | 30 | |
(%) | (20%) | (20%) | (40%) | |
High | 11 | 33 | 44 | |
(%) | (15%) | (45%) | (60%) | |
Total | 26 | 48 | 74 | 0,027 |
(%) | (35%) | (65%) | (100%) |
Biopsy | Age | ECOG_PS | Status | T-Downstaging | N-Downstaging | Grade | Stage | Neoadjuvant treatment | Treatment toxicity | Pathological Response | Tumor size | DEK (% positive tumor cells) | Phospho-P38 (% positive tumor cells) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | > 70 | 1 | alive without disease | 0 | 1 | High | III | RDT + FOLFOX | No | Partial | > 3 cm | 3 | 35 |
2 | > 60 | 1 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 3 | 35 |
3 | > 70 | 0 | Death | 1 | 0 | High | III | RDT + FOLFOX | Yes | Minimum | < 3 cm | 7 | 65 |
4 | > 70 | 0 | alive without disease | 0 | 1 | Low | III | RDT + 5FU | No | Minimum | > 3 cm | 10 | 80 |
5 | > 60 | 0 | alive with desease | 0 | 1 | Low | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 15 | 45 |
6 | > 70 | 0 | alive without disease | 1 | 1 | High | III | RDT + FOLFOX | Yes | Partial | > 3 cm | 15 | 80 |
7 | > 40 | 0 | alive with desease | 0 | 0 | High | III | RDT + 5FU | Yes | Partial | > 3 cm | 20 | 25 |
8 | > 40 | 1 | alive with desease | 1 | 0 | High | II | RDT + 5FU | Yes | Minimum | > 3 cm | 20 | 25 |
9 | > 70 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 30 | 45 |
10 | > 70 | 0 | alive without disease | 1 | 1 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 35 | 55 |
11 | > 70 | 0 | alive without disease | N/A | N/A | High | III | RDT + FOLFOX | No | Minimum | > 3 cm | 35 | 10 |
12 | > 50 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 35 | 70 |
13 | > 70 | 0 | alive without disease | 1 | 1 | High | III | RDT + 5FU | No | Partial | > 3 cm | 35 | 25 |
14 | > 50 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Minimum | > 3 cm | 35 | 25 |
15 | > 70 | 1 | alive without disease | 1 | 1 | High | III | RDT + 5FU | Yes | Minimum | < 3 cm | 35 | 90 |
16 | > 60 | 1 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 35 | 90 |
17 | > 60 | 0 | N/A | 0 | 0 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 40 | 5 |
18 | > 80 | 0 | Death | 1 | 0 | High | III | RDT + 5FU | Yes | Partial | > 3 cm | 40 | 90 |
19 | > 70 | 1 | alive without disease | 0 | 1 | Low | III | RDT + 5FU | Yes | Minimum | > 3 cm | 40 | 85 |
20 | > 60 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 40 | 65 |
21 | > 70 | 2 | alive without disease | 1 | 0 | N/A | II | RDT + 5FU | Yes | Minimum | > 3 cm | 40 | 100 |
22 | > 70 | 1 | Death | 0 | 1 | High | III | RDT + 5FU | Yes | Partial | > 3 cm | 45 | 65 |
23 | > 80 | 1 | alive without disease | N/A | N/A | High | III | RDT + 5FU | No | Partial | > 3 cm | 45 | 40 |
24 | > 70 | 1 | alive without disease | N/A | N/A | Low | III | RDT + 5FU | Yes | Partial | > 3 cm | 45 | 80 |
25 | > 80 | 1 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 50 | 80 |
26 | > 70 | 1 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 55 | 80 |
27 | > 50 | 0 | alive without disease | 1 | 1 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 60 | 80 |
28 | > 80 | 1 | alive without disease | N/A | N/A | High | N/A | RDT + 5FU | No | Complete | > 3 cm | 60 | 60 |
29 | > 80 | 1 | alive without disease | 1 | 1 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 60 | 75 |
30 | > 60 | 0 | alive without disease | 0 | 0 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 60 | 40 |
31 | > 50 | 1 | alive with desease | 1 | 1 | High | III | RDT + 5FU | No | Complete | < 3 cm | 60 | 100 |
32 | > 60 | 0 | alive without disease | N/A | N/A | High | III | RDT + 5FU | No | Complete | > 3 cm | 60 | 45 |
33 | > 40 | 0 | alive without disease | 0 | 0 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 65 | 100 |
34 | > 80 | 0 | alive without disease | 1 | 1 | High | III | RDT + 5FU | Yes | Partial | > 3 cm | 65 | 75 |
35 | > 80 | 0 | alive without disease | 1 | 0 | High | III | RDT + 5FU | No | Partial | > 3 cm | 65 | 75 |
36 | > 80 | 1 | alive without disease | 1 | 1 | N/A | III | RDT + 5FU | Yes | Partial | < 3 cm | 65 | 90 |
37 | > 70 | 0 | alive without disease | 1 | 1 | N/A | III | RDT + 5FU | No | Complete | > 3 cm | 65 | 90 |
38 | > 70 | 1 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Minimum | > 3 cm | 65 | 15 |
39 | > 60 | 0 | alive without disease | 1 | 1 | High | III | RDT + 5FU | No | Partial | > 3 cm | 65 | 80 |
40 | > 60 | 1 | alive without disease | 1 | 0 | High | III | RDT + 5FU | No | Partial | > 3 cm | 65 | 50 |
41 | > 40 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | Yes | Partial | > 3 cm | 70 | 60 |
42 | > 80 | 1 | alive without disease | 1 | 1 | High | III | RDT + 5FU | No | Complete | > 3 cm | 75 | 80 |
43 | > 70 | 0 | alive with desease | 1 | 0 | Low | III | RDT + FOLFOX | No | Minimum | < 3 cm | 75 | 90 |
44 | > 70 | 1 | alive without disease | N/A | N/A | High | III | RDT + 5FU | No | Minimum | > 3 cm | 75 | 75 |
45 | > 40 | 0 | alive without disease | 1 | 1 | N/A | III | RDT + 5FU | No | Complete | > 3 cm | 75 | 95 |
46 | > 60 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | Yes | Complete | < 3 cm | 75 | 90 |
47 | > 80 | 1 | alive without disease | 0 | 1 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 75 | 95 |
48 | > 60 | 1 | alive with desease | 0 | 1 | High | III | RDT + 5FU | Yes | Complete | > 3 cm | 75 | 70 |
49 | > 70 | 0 | Death | 1 | 1 | Low | III | others | Yes | Minimum | < 3 cm | 80 | 3 |
50 | > 80 | 1 | Death | 0 | 0 | High | III | RDT + FOLFOX | Yes | Minimum | > 3 cm | 80 | 35 |
51 | > 70 | 0 | alive without disease | 0 | 0 | High | III | RDT + 5FU | No | Partial | > 3 cm | 80 | 100 |
52 | > 60 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | Yes | Partial | < 3 cm | 80 | 95 |
53 | > 70 | 1 | alive without disease | 1 | 0 | N/A | III | RDT + 5FU | No | Partial | > 3 cm | 80 | 30 |
54 | > 60 | 0 | alive without disease | 0 | 0 | N/A | II | RDT + 5FU | No | Partial | > 3 cm | 80 | 10 |
55 | > 70 | 1 | alive without disease | 1 | 1 | N/A | III | RDT + FOLFOX | No | Partial | > 3 cm | 85 | 90 |
56 | > 80 | 1 | alive without disease | 0 | 1 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 85 | 45 |
57 | > 50 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 85 | 75 |
58 | > 50 | 1 | alive without disease | 0 | 0 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 85 | 85 |
59 | > 60 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 85 | 30 |
60 | > 80 | 1 | alive without disease | 1 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 85 | 80 |
61 | > 60 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Partial | > 3 cm | 85 | 0 |
62 | > 50 | 0 | alive without disease | N/A | N/A | Low | III | RDT + FOLFOX | No | Minimum | > 3 cm | 85 | 100 |
63 | > 70 | 1 | alive without disease | 1 | 1 | High | III | RDT + 5FU | No | Minimum | N/A | 90 | 95 |
64 | > 70 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 90 | 85 |
65 | > 70 | 1 | Death | 0 | 0 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 90 | 45 |
66 | > 50 | 0 | alive without disease | 1 | 1 | Low | III | RDT + 5FU | No | Minimum | > 3 cm | 90 | 55 |
67 | > 60 | 2 | Death | 0 | 0 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 95 | 100 |
68 | > 70 | 0 | alive without disease | 1 | 0 | N/A | II | RDT + 5FU | No | Minimum | > 3 cm | 95 | 85 |
69 | > 60 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Partial | > 3 cm | 95 | 80 |
70 | > 60 | 0 | alive without disease | 0 | 1 | High | III | RDT + 5FU | Yes | Minimum | > 3 cm | 95 | 90 |
71 | > 70 | 0 | alive with desease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 95 | 75 |
72 | > 70 | 0 | alive without disease | 1 | 0 | High | III | RDT + 5FU | No | Complete | > 3 cm | 95 | 75 |
73 | > 80 | 1 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 100 | 75 |
74 | > 50 | 1 | alive without disease | 0 | 1 | High | III | RDT + 5FU | No | Minimum | > 3 cm | 100 | 80 |