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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Eur J Immunol. 2014 Feb 20;44(5):1517–1525. doi: 10.1002/eji.201344170

Figure 1.

Figure 1

Human NK cells are expanded in response to selected human tumor cell lines. A total of 3 × 105 NK cells were cultured with (A, B) human and (C) mouse cell lines (indicated at the top of the dot plot). Following 5 days in culture the cells were tested for the presence of NK cells by size and granularity (FSC, SSC) then examined for being positive for CD56 expression and negative for CD3. Data shown are representative of three independent experiments. (D) NK-cell numbers following 5 days of incubation with 721.221 or 1106mel cells are shown as mean + SD of four samples from a single experiment representative of three independent experiments.