Table 4.

Effect of AS-ODNs on p210BCR-ABLExpression

Sample Control BreakpointSpecific AS-ODNMissense ODN AS-ODN to Other Breakpoint
1.0  0.43  0.76  1.52  
2  1.0  0.27  1.42 0.86  
3  1.0  0.44  0.85  1.94  
4  1.0 0.17  0.53  0.64  
5  1.0  0.75  0.9   0.84 
Mean ± SEM  1.0 ± 0 0.41 ± 0.1  0.9 ± 0.15  1.16 ± 0.25 
Significance (compared with control)  P < .004  NS  NS 
Sample Control BreakpointSpecific AS-ODNMissense ODN AS-ODN to Other Breakpoint
1.0  0.43  0.76  1.52  
2  1.0  0.27  1.42 0.86  
3  1.0  0.44  0.85  1.94  
4  1.0 0.17  0.53  0.64  
5  1.0  0.75  0.9   0.84 
Mean ± SEM  1.0 ± 0 0.41 ± 0.1  0.9 ± 0.15  1.16 ± 0.25 
Significance (compared with control)  P < .004  NS  NS 

DR+ cells were incubated in serum-free medium for 96 hours with or without addition of breakpoint-specific and control ODNs. Protein extracts obtained from 1 to 2 × 10e6 cells were subjected to gel electrophoresis and Western blotting with an anti–c-ABL antibody as described in Materials and Methods. Densitometry was performed and results expressed as the ratio of p210BCR-ABL to p140c-ABL, with controls normalized to 1.0.

Abbreviation: NS, not significant.

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