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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).