Table 1.
Correlations of Beclin1, LC3, and 4E-BP1 expression with clinicopathological characteristics in 68 advanced colorectal cancer patients n (%)
| Variable | n = 68 |
Beclin1 expression |
LC3 expression |
4E-BP1 expression |
||||||
| Low | High | P-value | Low | High | P-value | Low | High | P-value | ||
| Sex | 0.061 | 0.372 | 0.571 | |||||||
| Male | 44 (64.7) | 13 | 24 | 12 | 25 | 8 | 28 | |||
| Female | 24 (35.3) | 2 | 17 | 4 | 15 | 3 | 16 | |||
| Age (yr) | 0.119 | 0.167 | 0.865 | |||||||
| < 65 | 55 (80.9) | 10 | 35 | 11 | 34 | 9 | 35 | |||
| ≥ 65 | 13 (19.1) | 5 | 6 | 5 | 6 | 2 | 9 | |||
| Family history of cancer | 0.593 | 0.151 | 0.382 | |||||||
| Yes | 13 (19.1) | 2 | 8 | 1 | 9 | 1 | 9 | |||
| No | 55 (80.9) | 13 | 33 | 15 | 31 | 10 | 35 | |||
| Location1 | 0.862 | 1.000 | 0.634 | |||||||
| Left | 50 (73.5) | 11 | 31 | 12 | 30 | 2 | 33 | |||
| Right | 18 (26.5) | 4 | 10 | 4 | 10 | 9 | 11 | |||
| Pathological grade | 0.349 | 0.349 | 8 | 0.897 | ||||||
| 1 + 2 | 44 (64.7) | 8 | 30 | 8 | 30 | 8 | 29 | |||
| 3 | 18 (26.4) | 5 | 10 | 5 | 10 | 3 | 12 | |||
| NA | 6 (8.9) | |||||||||
| T stage | 0.618 | 0.618 | 0.911 | |||||||
| T1 + T2 + T3 | 41 (60.3) | 9 | 24 | 9 | 24 | 6 | 26 | |||
| T4 | 22 (32.4) | 4 | 15 | 4 | 15 | 4 | 16 | |||
| NA | 5 (7.3) | |||||||||
| N stage | 0.058 | 0.058 | 0.654 | |||||||
| No | 22 (32.4) | 6 | 9 | 6 | 9 | 4 | 12 | |||
| N1 + N2 | 36 (52.9) | 5 | 28 | 5 | 28 | 6 | 25 | |||
| NA | 10 (14.7) | |||||||||
| Synchronous/metachronous metastasis | 0.020 | 0.058 | 0.162 | |||||||
| Synchronous metastasis | 24 (35.3) | 1 | 18 | 2 | 17 | 5 | 12 | |||
| Metachronous metastasis | 43 (63.2) | 13 | 23 | 13 | 23 | 5 | 32 | |||
| NA | 1 (1.5) | |||||||||
| KRAS | 0.044 | 0.044 | 0.651 | |||||||
| Wild type | 45 (66.2) | 13 | 24 | 13 | 24 | 7 | 30 | |||
| Mutant type | 10 (14.7) | 0 | 9 | 0 | 9 | 2 | 6 | |||
| NA | 13 (19.1) | |||||||||
Location: The primary tumor location was classified as right-sided or left-sided according to the splenic flexure. CRC: Colorectal cancer; LC3: Microtubule-associated protein 1A/B-light chain 3; NA: Not applicable; 4E-BP1: 4E-binding protein 1.