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Figure 6 | Journal of Biomedical Science

Figure 6

From: Differential toll-like receptor 3 (TLR3) expression and apoptotic response to TLR3 agonist in human neuroblastoma cells

Figure 6

Effect of TLR3 neutralization on poly(I:C)-induced apoptosis in SK-N-AS cells. (A) Effect of TLR3 neutralization on poly(I:C)-induced caspase-3 activation. After incubation with TLR3 antibodies of indicated doses for 1 h, SK-N-AS cells were treated with poly(I:C) (50 μg/ml) for 24 h, and then harvested for immunoblot analysis (top panel). Arrows indicated the molecular weight of active caspase-3 at 17 kDa and 19 kDa, respectively. Quantification results of caspase-3 activation in different treatment groups were expressed as mean ± SD from triplicate experiments (bottom panel). #: P < 0.05 versus non-treated control, **: P < 0.01. (B) Flow cytometry analysis of poly(I:C)-induced apoptosis in SK-N-AS cells after TLR3 neutralization. Data were mean ± SD from triplicate experiments. #: P < 0.05 versus non-control, *: P < 0.05. (C) Cell proliferation assay of poly(I:C)-induced growth inhibition in SK-N-AS cells after TLR3 neutralization. Data were mean ± SD from quadruplicate experiments. #: P < 0.05 versus non-control, *: P < 0.05.

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