Table 2.
HLA class II frequencies and number of CEA peptides that bind to each allele’s gene product
| Allele | HLA-DRB1 | HLA-DRB3–5 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DRB1*0101–06 | DRB1*0301–13 | DRB1*0401–32 | DRB1*0701–04 | DRB1*0802–21 | DRB1*0901 | DRB1*1101–35 | DRB1*1301–34 | DRB1*1501–08 | Total coverage DRB1 | DRB3*0101 | DRB4*0101 | DRB5*0101 | Total coverage DRB3–5 | Predicted response rate (%)a | |
| Caucasoids | 9.4b | 11.1 | 12.8 | 13.2 | 3.7 | 2.0 | 13.4 | 10.2 | 10.8 | 69.2 | 53.2 | 50.9 | 23.9 | 93.4 | 97 |
| Blacks | 5.5 | 14 | 10.5 | 9.23 | 4.8 | 2.0 | 15.7 | 14.3 | 9.9 | 69.0 | 55.2 | 21.1 | 16.5 | 77.8 | 84 |
| Asian | 3.0 | 5 | 13 | 5.8 | 6.5 | 9.4 | 7.8 | 4.9 | 14.4 | 58.7 | 54.2 | 48.9 | 22.0 | 92.4 | 98 |
| Estimated average | 6 | 10 | 12 | 9 | 5 | 5 | 12 | 10 | 12 | 65.8 | 54.2 | 40.3 | 20.8 | 88.5 | 94 |
| # of epitopes | 4c | 2 | 4 | 4 | 2 | 1 | 3 | 4 | 3 | 3 | 1 | 1 | 2 | 1 | |
aPredicted percentage of population that could respond to at least one epitope
bFrequency of allele the population
cNumber of epitopes in the CEA pool that bind to this HLA-DR variant