Figure 5.

Inhibition of CD3+ T-cell proliferation in the presence of HPB-AML-I cells. Mixed lymphocyte culture was performed in the presence or absence of HPB-AML-I cells (white columns). For control, similar experiments were performed with UCBTERT-21 cells (black columns). Results are presented as the XTT absorbance levels at 450 nm, which were normalized to those of the baseline experiments (cell culture in the absence of HPB-AML-I or UCBTERT-21 cells). Means and standard deviations of four independent experiments are shown. *, P < 0.05; **, P < 0.01 compared to the baseline results

Ardianto et al. Journal of Experimental & Clinical Cancer Research 2010 29:163   doi:10.1186/1756-9966-29-163
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