Table 1.

List of genes in the p53-p21 pathway downregulated following Sp1 knockdown

Probe Set ID	Gene Title	Gene Symbol	48 hr post Sp1 knockdown		72 hr post Sp1 knockdown
			Fold change	Regulation	Fold change	Regulation
1556990_at	PERP, TP53 apoptosis effector	PERP	2.87	down	2.46	down
211725_s_at	BH3 interacting domain death agonist	BID	1.78	down	1.85	down
227143_s_at	BH3 interacting domain death agonist	BID	1.64	down	1.70	down
204493_at	BH3 interacting domain death agonist	BID	1.82	down	-	No change
209644_x_at	cyclin-dependent kinase inhibitor 2A (p16)	CDKN2A (p14ARF)	1.53	down	1.51	down
207039_at	cyclin-dependent kinase inhibitor 2A (p16)	CDKN2A (p14ARF)	1.58	down	-	No change
224851_at	cyclin-dependent kinase 6	CDK6	1.40	down	-	No change
209305_s_at	growth arrest and DNA-damage-inducible, beta	GADD45B	1.31	down	-	No change
214710_s_at	cyclin B1	CCNB1	1.30	down	-	No change
204315_s_at	G-2 and S-phase expressed 1	GTSE1 (B99)	1.23	down	-	No change
218424_s_at	STEAP family member 3	STEAP3 (TSAP6)	1.22	down	-	No change
236814_at	Mdm4, transformed 3T3 cell double minute 4, p53 binding protein (mouse)	MDM4	1.73	down	-	No change
225740_x_at	Mdm4, transformed 3T3 cell double minute 4, p53 binding protein (mouse)	MDM4	-	No change	1.74	down
202763_at	caspase 3, apoptosis-related cysteine peptidase	CASP3	-	No change	1.29	down