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Toxicity of LRA to CD4+ T cells. (A and B) Viability of CD4+ T cells after LRA treatment. Unstimulated CD4+ T cells from four heathy donors were treated with single LRAs or LRA combination (3 million cell/group) for 18 h. Cell viability was measured by annexin V and 7-aminoactinomycin D (7-AAD). (C) Cell counts in each treatment group. P values were calculated by one-way ANOVA. *, P < 0.05.
