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Table 1 Trogocytic capabilities of tumor cell lines in vitro

From: Trogocytic intercellular membrane exchanges among hematological tumors

   Allogeneic trogocytic capability Autologous trogocytic capability   Autologous ( n )
  Cell line % of membrane acquired % of HLA-G1 acquired % of membrane acquired % of HLA-G1 acquired   
Monocytic U937 62.9 99.8 41.6 100.0 3 3
  THP-1 18.2 36.7 36 3.7 3 3
  HL-60 23.3 30.8 53.2 n/a 3 3
  KG1 22.5 50.4 35.5 36.5 3 3
B cells Ramos 73.5 77.9 37.1 n/a 3 2
  Raji 19.8 25.6 54.2 n/a 3 3
  RPMI 8226 25.5 23.8 84.8 n/a 3 3
  U266 20.2 30.1 75.2 n/a 3 3
T cells Jurkat 16.4 35.9 35.6 n/a 3 3
NK cells NKL 14.2 37.9 47.9 n/a 3 3
  1. The capabilities of tumor cell lines to acquire membranes and membrane-associated HLA-G were investigated using PKH67-labeled allogeneic (LCL-HLA-G1) and PKH67-labeled autologous cells. For each experiment type, acceptor cells, donor cells, and the mean percentage of acceptor cells that acquired membranes (PKH67) and/or HLA-G1 from donor cells is shown. The number of independent experiments performed for each line is shown. n/a not applicable for lack of HLA-G-positive autologous lines.