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. 2013 Dec 11;4:446. doi: 10.3389/fimmu.2013.00446

Figure 2.

Figure 2

Positioning pre-mNK cells in the NK-cell differentiation pathway. NK-cell differentiation is a multi-step process, wherein cellular intermediates can be distinguished based on the acquisition and loss of the expression of specific cell surface antigens, in mice. Pre-NKP cells represent the earliest defined mNK cell-committed progenitor. Here, pre-mNK cells are positioned as a cellular intermediate following iNK cells and preceding mNK cells. Question marks indicate differentiation steps that remain to be experimentally verified. The thymic-derived pathway is also depicted.