The Role of NK Cells in the Control of Viral Infection in HTLV-1 Carriers

Table 3

Percentage of cells expressing CD107a and MFI of CD107a expression from HTLV-1-infected subjects.

	Seronegative individuals (SN) ()	HTLV-1 carriers (HC) ()	HAM/TSP ()
Percentage of cells expressing CD107a (minimal-maximal)
CD56^+CD3^-	2.3 (0.8-12)	6.7 (1.4-41.9)^a	6.9 (1.8-57.6)^b
CD56^+CD16^+	2.8 (1.5-14)	6.5 (1.7-40)^a	7.7 (3.4-70.8)^b
CD56^+	4.6 (2.6-12.4)	8 (2.2-39.2)^a	11.1 (4.4-61.9)^b
CD56^dim	5.1 (3.2-12.9)	8.3 (2.4-40.1)^a	11.8 (4.4-62)^b
CD56^bright	0.9 (0-11.7)	4.9 (0.7-30.8)^a	5.4 (0-66.7)^b
NKT	8.4 (6.6-11.6)	11.8 (6-52.7)^a	15.8 (6.1-50)^b
MFI (minimal-maximal)
CD56^+CD3^-	13.1 (9.6-49.2)	22.6 (15.3-48.2)^a	18.7 (16.3-37.2)^b
CD56^+CD16^+	15.1 (10.2-19.7)	23.5 (1.7-92.1)^a	23.8 (18.1-48.1)^b
CD56^+	17.6 (11.1-52)	27.1 (18.7-76)^a	27 (21-47)^b
CD56^dim	18 (10.9-53.9)	28.9 (2.4-77.2)^a	26.7 (2.4-50.1)^b
CD56^bright	15.5 (9.5-43.3)	24.4 (0.9-79.9)^a	26.7 (17.1-38.3)^b
NKT	25.9 (13.9-52.4)	34.4 (6-85)^a	29.8 (16.7-75.7)

The Mann-Whitney test was used for statistical analyses. Data are represented by median (minimal and maximal values); ^aSN × HC (); ^bSN × HAM/TSP ().