Table III.
Expression frequencies of ABC transporters and stem cell markers.
| n (%) | |||||
|---|---|---|---|---|---|
| Protein classification | Protein | Intensity score 1 | Intensity score 2 | Intensity score 3 | Immune-positivity |
| ABC transporter | ABCC2 | 27/163 (16.6) | 71/163 (43.6) | 44/163 (27.0) | 142/163 (87.1) |
| ABCC3 | 13/164 (7.9) | 38/164 (23.2) | 22/164 (13.4) | 73/164 (44.5) | |
| ABCG2 | 39/164 (23.8) | 49/164 (29.9) | 52/164 (31.7) | 140/164 (85.4) | |
| Stem cell marker | LGR5 | 23/164 (14.0) | 62/164 (37.8) | 46/164 (28.0) | 131/164 (79.9) |
| ALDH1 | 1/164 (0.6) | 20/164 (12.2) | 42/164 (25.6) | 63/164 (38.4) | |
| SOX2 | 23/164 (14.0) | 52/164 (31.7) | 60/164 (36.6) | 135/164 (82.3) | |
ABCC2, ATP binding cassette subfamily C member 2; ABCC3, ATP binding cassette subfamily C member 3; ABCG2, ATP binding cassette subfamily G member 2; LGR5, leucine-rich repeat containing G protein-coupled receptor 5; sex determining region Y-box 2; ALDH1, aldehyde dehydrogenase 1; ABC, ATP-binding cassette.