Table 3.

Cytotoxic activity of +/+, mi/mi,mice/mice, andtg/tg CMCs to YAC-1 cells

E:T ratioSpecific 51Cr release, %3-150
+/+ CMCsMi/MiCMCsmice/miceCMCstg/tg CMCs+/+ spleen cells
 50 < 0.1 < 0.1 < 0.1 < 0.1 52.2 ± 3.83-151 
100 12.8 ± 0.23-151 < 0.1 10.1 ± 0.33-151 11.9 ± 0.63-151 58.3 ± 5.23-151 
250 25.2 ± 2.43-151 < 0.1 16.6 ± 2.33-151 19.1 ± 1.63-151 NE 
E:T ratioSpecific 51Cr release, %3-150
+/+ CMCsMi/MiCMCsmice/miceCMCstg/tg CMCs+/+ spleen cells
 50 < 0.1 < 0.1 < 0.1 < 0.1 52.2 ± 3.83-151 
100 12.8 ± 0.23-151 < 0.1 10.1 ± 0.33-151 11.9 ± 0.63-151 58.3 ± 5.23-151 
250 25.2 ± 2.43-151 < 0.1 16.6 ± 2.33-151 19.1 ± 1.63-151 NE 

E:T ratio is the ratio of CMCs or spleen cells to YAC-1 cells.

NE indicates not examined.

F3-150

Mean ± SE of 3 experiments.

F3-151

P < .01 by t test compared with the value of mi/mi CMCs.

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