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Typing of H. pylori clinical isolates by reactivities of human sera to their LPS
| Patient group (no. of H. pylori strains) | No. of strains with LPS containing:
|
Rough LPS | |
|---|---|---|---|
| Highly antigenic epitope (type A serum positive) | Weakly antigenic epitope (type B serum positive) | ||
| CG (19) | 15 | 4 | 0 |
| GU (18) | 8 | 10 | 0 |
| DU (9) | 4 | 4 | 1 |
| CA | |||
| Isolates from tumor site (10) | 3 | 6 | 1 |
| Isolates from nontumor site (12) | 5 | 7 | 0 |
| Total (68) | 35 | 31 | 2 |
