Table 2.
NK and NKT cell frequencies in HTLV-1-infected subjects.
| Frequency of cells (%) | Seronegative individuals (SN) (n = 10) | HTLV-1 carriers (HC) (n = 20) | HAM/TSP (n = 19) |
|---|---|---|---|
| CD56+CD3− | 7.9 (4.5-15.3) | 8.9 (2.8-15) | 5.8 (1.9-11.7)a,b |
| CD56+CD16+ | 10.1 (5.3-16.2) | 10.7 (3.2-22.9) | 7.2 (1.8-15.8)a,b |
| CD56+ | 16.4 (11.6-23.8) | 13.3 (6.4-26.4) | 11.2 (4.6-19.4)a,b |
| CD56dim | 12.9 (9-21.3) | 12.2 (5-27.4) | 9.5 (3.4-19.4)a,b |
| CD56bright | 0.9 (0.5-3.4) | 0.8 (0.07-1.5) | 0.7 (0.2-1.3) |
| NKT | 6.4 (3.5-11.5) | 4.6 (2.2-14.7) | 4.1 (1.9-9.7) |
The Mann-Whitney test was used for statistical analyses. Data are represented by median (minimal and maximal values); aSN × HAM/TSP (P < 0.05); bHC × HAM/TSP (P < 0.05).