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Identification of CD4+ and CD4/8+/+ Vα24 NK T cell progenitors in human fetal thymus. (a) Detection of Vα24 NK T cell progenitors in Vα24/Vβ11 TCR low and high stages by flow cytometry. (b) Assessment of CD4, CD8, and CD161 expression in TCR low and TCR high subsets. One representative of 16 experiments is shown.
