Table 2.

mRNA expression levels in nontransformed and malignant breast cells ^a

Cell line	CDK11 b	CK2α	CK2α ′
MCF-10A	1.53 ± 0.04	2.90 ± 0.35	5.19 ± 0.36
MCF-12A	1.38 ± 0.07	1.91 ± 0.17	1.05 ± 0.03
MDA-MB-231	0.96 ± 0.10	2.91 ± 0.48	0.40 ± 0.004
MDA-MB-468	0.87 ± 0.11	3.18 ± 0.06	2.91 ± 0.39
SUM-149	0.31 ± 0.001	0.66 ± 0.08	1.84 ± 0.01

Data presented as mean ± standard error. ^amRNA expression normalized to HPRT-1. ^bBoth human genes (CDC2L1 and CDC2L2) recognized by PCR probes.