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Tregs exhibit a higher ICOS surface expression than other CD4+ cells after co-culture
Shown are the representative CD25->FOXP3 dot plots of the CD3+CD4+ subset of HD2. CD25+FOXP3+, CD25+FOXP3- and CD25−FOXP3- cells were gated and their respective ICOS surface expression were displayed in a comparative plot. CD25+FOXP3+ Tregs showed the highest ICOS expression, followed by CD25+FOXP3- cells. CD25−FOXP3- cells clearly display the lowest ICOS surface expression.
