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Fig. 7. Kinetics of endocytosis of 125I-fluoresceinpDNA in
cultured cod atrial endocardial endothelial cells at 12°C (A) and head
kidney leukocytes at 6°C (B). Monolayer cultures of aEEC or head kidney
leukocytes in 2 cm2 wells were incubated with trace amounts of
125I-fluoresceinpDNA (approximately 2x104
c.p.m.; 20 ng). The results are presented as the cell-associated percentage of
the total added radioactivity and are the mean of three independent
experiments (aEEC). The result from the head kidney leucocyte study are the
mean of cells from eight different fish.