Table 3 Specificity indexes for tumour marker mRNAs

From: Biomarker selection for detection of occult tumour cells in lymph nodes of colorectal cancer patients using real-time quantitative RT–PCR

mRNA species

Median CRC tumour value/highest value of any immune cell type

Median CRC tumour value/highest value of control lymph nodes

CEA

21 400

53 500

CEACAM6

11

2000

CEACAM1-S

638

39

CEACAM1-L

1.3

0.4

CEACAM7-1

1.0

6.3

CEACAM7-2

9000

90

MUC2

>660

942

MMP7

0.9

1.1

CK20

4667

15 555

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