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Table 1 T cell and NK cell immunophenotyping on human PBMC after treating with various concentrations of R. korthalsii methanol extract or positive controls for 72 hours

From: Rhaphidophora korthalsii modulates peripheral blood natural killer cell proliferation, cytokine secretion and cytotoxicity

 

T cell or NK cell population (%)

 

CD 3+CD56-

CD3-CD56+

Control

55.8 ± 1.3x

9.6 ± 2.7a

R. korthalsii (50 μg/mL)

52.1 ± 2.7 x

12.1 ± 1.3a,b

R. korthalsii (25 μg/mL)

49.0 ± 1.6y

17.5 ± 3.b

R. korthalsii (1 μg/mL)

54.3 ± 1.9x

8.9 ± 1.2a

rhIL-2 (200 IU/mL)

56.2 ± 2.5x

14.1 ± 1.7b

Con-A (1 μg/ml)

61.0 ± 2.4z

6.7 ± 1.4c

LPS (1 μg/ml)

47.9 ± 1.1y

7.8 ± 1.9a,c

  1. Values (n = 9; 3 independent experiments with three technical replicates each) represent the means ± S.E.M. x, y and z indicate significant different among the groups for CD 3+CD56- (T lymphocyte) while a, b and c indicate significant different among the groups for CD 3-CD56+ (NK cell) (P < 0.05).