Table 2

Frequency and absolute numbers of circulating CD56+/Siglec-7+, CD56/Siglec-7+, and CD56/Siglec-7 NK-cell subsets from HIV-1–infected patients at different stages of disease compared with those from healthy donors

CohortNK cells
CD56+/Siglec-7+CD56+/Siglec-7CD56/Siglec-7Total
Healthy donors (n = 70) 11.1 ± 4.3 (190 ± 64) 1.1 ± 1.3 (20 ± 15) 0.8 ± 0.6 (14 ± 20) 13.3 ± 6.1 (223 ± 91) 
Early HIV-1 infection (n = 21) 6.5 ± 3.3 (108 ± 71, ↓)* 7.5 ± 3.6 (125 ± 62, ↑)* 1.4 ± 0.9 (23 ± 19, ∼) 15.6 ± 12.3 (258 ± 146, ∼) 
Chronic viremic HIV-1 infection (n = 96) 3 ± 2.1 (49 ± 25, ↓)* 5.7 ± 3.1 (98 ± 32, ↑)* 5.1 ± 2.1 (82 ± 38, ↑)* 14.1 ± 5.6 (231 ± 73, ∼) 
Chronic LTNPs (n = 27) 10.9 ± 4.8 (185 ± 46, ∼) 1.74 ± 1.5 (32 ± 25, ∼) 1.3 ± 1.1 (25 ± 16, ∼) 14.3 ± 6.1 (245 ± 85, ∼) 
CohortNK cells
CD56+/Siglec-7+CD56+/Siglec-7CD56/Siglec-7Total
Healthy donors (n = 70) 11.1 ± 4.3 (190 ± 64) 1.1 ± 1.3 (20 ± 15) 0.8 ± 0.6 (14 ± 20) 13.3 ± 6.1 (223 ± 91) 
Early HIV-1 infection (n = 21) 6.5 ± 3.3 (108 ± 71, ↓)* 7.5 ± 3.6 (125 ± 62, ↑)* 1.4 ± 0.9 (23 ± 19, ∼) 15.6 ± 12.3 (258 ± 146, ∼) 
Chronic viremic HIV-1 infection (n = 96) 3 ± 2.1 (49 ± 25, ↓)* 5.7 ± 3.1 (98 ± 32, ↑)* 5.1 ± 2.1 (82 ± 38, ↑)* 14.1 ± 5.6 (231 ± 73, ∼) 
Chronic LTNPs (n = 27) 10.9 ± 4.8 (185 ± 46, ∼) 1.74 ± 1.5 (32 ± 25, ∼) 1.3 ± 1.1 (25 ± 16, ∼) 14.3 ± 6.1 (245 ± 85, ∼) 

Results include the percentages of CD3/CD19/CD14 NK-cell subsets within the lymphocyte population, followed by the absolute numbers of cells/μL (values in parentheses), presented as median ± SD. See also Figure 1 for gating strategy.

↑ indicates increased; ↓, decreased; and ∼, stable.

*

P < .001.

P = not significant.