Table 2

p53 regulated genes are increased in t(8;21) leukemia samples

Gene nameAML patient database*
Fold change t(8;21)/non-t(8;21)P
NM_000389 CDKN1A (p21waf1/cip11.32 <.001 
NM_004938 DAPK1 1.18 <.001 
NM_001924 GADD45A 1.29 <.05 
NM_000201 ICAM1 1.22 <.05 
NM_021127 PMAIP1 (Noxa) 2.09 <.05 
NM_004881 TP53I3 (PIG3) 1.23 .062 
NM_022470 WIG1 1.03 NS 
Gene nameAML patient database*
Fold change t(8;21)/non-t(8;21)P
NM_000389 CDKN1A (p21waf1/cip11.32 <.001 
NM_004938 DAPK1 1.18 <.001 
NM_001924 GADD45A 1.29 <.05 
NM_000201 ICAM1 1.22 <.05 
NM_021127 PMAIP1 (Noxa) 2.09 <.05 
NM_004881 TP53I3 (PIG3) 1.23 .062 
NM_022470 WIG1 1.03 NS 

Seven transcripts that are widely regarded as p53 response genes, and that are also present on the microarray chip used in the pediatric AML study.

*

t(8;21) patient samples have a significantly increased group mean expression level for the indicated p53 target genes when compared with the combined samples from t(15;17), M7, MLL, and “other.” The published data set from Ross et al38  was used for these analyses, using a Welch 2-sided t test with Benjamini-Hochberg correction for multiple testing to determine significance levels.

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