Table 1.
Induction of transcriptional regulators of CD4+ T cell differentiation in vitro
Transcription factorIn vitro polarizing conditions
Th0Th1Th2Th17
Tbet (ΔMFI) 1.0 1.4 ± 0.07a 0.8 ± 0.09 0.65 ± 0.1a 
GATA3 (ΔMFI) 1.0 0.75 ± 0.05 3.1 ± 0.16 § 0.4 ± 0.02b 
RORγt (ΔMFI) 1.0 1.25 ± 0.13 1.2 ± 0.03 1.5 ± 0.08a 
RORγt (%) 0.5 ± 0.2% 0.66 ± 0.1% 0.66 ± 0.15% 6.3 ± 0.7%c 
Bcl-6 (ΔMFI) 1.0 1.41 ± 0.08a 1.3 ± 0.1 2.4 ± 0.08c 
Transcription factorIn vitro polarizing conditions
Th0Th1Th2Th17
Tbet (ΔMFI) 1.0 1.4 ± 0.07a 0.8 ± 0.09 0.65 ± 0.1a 
GATA3 (ΔMFI) 1.0 0.75 ± 0.05 3.1 ± 0.16 § 0.4 ± 0.02b 
RORγt (ΔMFI) 1.0 1.25 ± 0.13 1.2 ± 0.03 1.5 ± 0.08a 
RORγt (%) 0.5 ± 0.2% 0.66 ± 0.1% 0.66 ± 0.15% 6.3 ± 0.7%c 
Bcl-6 (ΔMFI) 1.0 1.41 ± 0.08a 1.3 ± 0.1 2.4 ± 0.08c 

Naive CD4+ T cells were isolated from peripheral blood of healthy donors, and then cultured with TAE beads alone (Th0) or under Th1, Th2, or Th17 conditions for 5 d. After this time, the cells were harvested and expression of Tbet, GATA3, RORγt, or Bcl-6 was determined by intracellular staining and flow cytometry. The values represent either the fold change (ΔMFI, mean ± SEM; n = 3–5) in expression of the indicated transcription factor relative to Th0 culture, or the % of cells expressing RORγt (n = 3).

a

P < 0.05.

b

P < 0.01.

c

P < 0.0001 (ANOVA).

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