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Table 3 Core Gene Pathway Alterations and Association with Distal Metastasis

From: TP53 missense mutation reveals gain-of-function properties in small-sized KRAS transformed pancreatic ductal adenocarcinoma

Mutated pathway

KRASmut

KRASmut

KRASmut

KRASmut

KRASWT

Overall, n=595

Tumor size ≤ 2cm, n=96

Tumor size (2, 3cm], n=261

Tumor size > 3cm/T4, n=238

Overall, n=44

Metastasis

P

Metastasis

P

Metastasis

P

Metastasis

P

Metastasis

P

TP53

 WT

37/212 (17.5%)

1

1/35 (2.9%)

1

16/95 (16.8%)

1

20/82 (24.4%)

1

3/33 (9.1%)

1

 Missense

57/257 (22.2%)

0.203†

8/39 (20.5%)

0.030‡

23/103 (22.3%)

0.332†

25/114 (21.9%)

0.686†

0/9

–

 Truncating

20/114 (17.5%)

0.984†

2/20 (10.0%)

0.546‡

10/56 (17.9%)

0.873†

8/38 (21.1%)

0.688†

1/2

–

 Others*

1/12 (8.3%)

0.413‡

1/2

–

1/7 (14.3%)

0.861‡

0/4

–

None

–

Mutated

78/383 (20.4%)

0.389†

11/61 (18.0%)

0.030‡

34/166 (20.5%)

0.472†

33/156 (21.2%)

0.568†

1/11 (9.1%)

1.000‡

Cell cycle

 WT

92/485 (19.0%)

1

10/82 (12.2%)

1

36/206 (17.5%)

1

46/197 (23.4%)

1

4/41 (9.8%)

1

 Mutated

23/110 (20.9%)

0.642†

2/14 (14.3%)

0.222‡

14/55 (25.5%)

0.182†

7/41 (17.1%)

0.379†

0/3

–

TGFb

 WT

78/457 (17.1%)

1

8/80 (10.0%)

1

34/204 (16.7%)

1

36/173 (20.8%)

1

4/38 (10.5%)

1

 Mutated

37/138 (26.8%)

0.011†

4/16 (25.0%)

0.098‡

16/57 (28.1%)

0.053†

17/65 (26.2%)

0.377†

0/6

–

Mutated pathways

 0-1

75/424 (17.7%)

1

7/75 (9.3%)

1

30/182 (16.5%)

1

38/167 (22.8%)

1

4/39 (10.3%)

1

 2-3**

40/171 (23.4%)

0.111†

5/21 (23.8%)

0.076‡

20/79 (25.3%)

0.096†

15/71 (21.1%)

0.782†

0/5

–

Trithorax

 WT

86/463 (18.6%)

1

9/84 (10.7%)

1

35/201 (17.4%)

1

42/178 (23.6%)

1

2/31 (6.5%)

1

 Mutated

29/132 (22.0%)

0.384†

3/12 (25.0%)

0.162‡

15/60 (25.0%)

0.190†

11/60 (18.3%)

0.397†

2/13 (15.4%)

0.570‡

HRD

 WT

94/503 (18.7%)

1

8/83 (9.6%)

1

43/219 (19.6%)

1

43/201 (21.4%)

1

1/27 (3.7%)

1

 Mutated

21/92 (22.8%)

0.355†

4/13 (30.8%)

0.032‡

7/42 (16.7%)

0.654†

10/37 (27.0)

0.449†

3/17 (17.6%)

0.282‡

MMRD

 WT

111/583 (19.0%)

1

12/96 (12.5%)

1

49/257 (19.1%)

1

50/230 (21.7%)

1

4/43 (9.3%)

1

 Mutated

4/12 (33.3%)

0.215‡

None

–

1/4 (25.0%)

0.575‡

3/8 (37.5%)

0.292‡

0/1

–

  1. *Other mutation subtypes included mixed cases, in-frame insertion or deletion and silent mutation
  2. **Alterations of 2-3 pathways among TP53, cell cycle pathway and TGFb pathway; †Chi-squared test; ‡Fisher exact test