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IDO1-expressing AML-DC induce CD4+CD25+Foxp3+ T cells. Phenotypic analysis of CD3+ T cells cultured for 7 days in the presence of mature AML-DC with or without the addition of 1-methyl tryptophan (1-MT) (1000 μM). The results are expressed as percentage of positive cells. The results are the mean ± SD of five different experiments.
