Frequency of subtype non-specific markers in basal lymphoid aggregates of ulcerative colitis colon
| Marker5-a | Positive cells (%)5-b | n5-c |
| CD45R0 | 52 (11) | 4 |
| HLA-DR | 46 (20) | 8 |
| HLA-DQ | 58 (6) | 3 |
| αEβ7 (CD103) | 26 (13) | 8 |
| CD28 | 0.1 (0.1) | 7 |
| bcl-2 | 28 (2) | 6 |
↵5-a The monoclonal antibodies used in the study are shown in table 2.
↵5-b Lymphocytes present in basal lymphoid aggregates were analysed by immunoperoxidase staining and the percentage of positive cells was determined by morphometric analysis according to Weibel and colleagues.28
↵5-c n, number of samples.