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Table 2 Tissue restricted expression of the genes isolated by whole mount in situ hybridization.

From: A systematic screen for genes expressed in definitive endoderm by Serial Analysis of Gene Expression (SAGE)

Gene symbol

Gene name

L

F

E

H

T

Expression pattern in E8.0–8.5

Group1: Genes expressed in definitive endoderm only

*Pyy

peptide YY

19

14

9

0

23

foregut

5730521E12Rik

5730521E12Rik

9

9

25

63

97

midgut

Group2: Genes expressed in both definitive and yolk sac endoderm

Cldn9

Claudin9

18

4

4

1

9

definitive endoderm and yolk sac

Habp2

Hyaluronic binding protein 2

25

0

2

4

6

definitive endoderm and yolk sac

Spp2

Secreted phosphoprotein2

16

1

7

2

10

definitive endoderm and yolk sac

Ttr

Transthyretin

29

4

1

7

12

definitive endoderm and yolk sac

Group3: Genes expressed in definitive endoderm, yolk sac and other germ layers

Cpn1

Carboxypeptidase N, polypeptide1

28

2

5

6

13

definitive endoderm, neural tube and yolk sac

1700011H14Rik

1700011H14Rik

27

1

2

4

7

definitive endoderm(weak), neural tube and yolk sac

Mogat2

Monoacylglycerol O-acyltransferase2

36

2

11

6

19

yolk sac endoderm, definitive endoderm, anterior ectoderm, and somite

Spink3

Serine peptidase inhibitor, Kazal type3

38

44

109

57

210

yolk sac endoderm, ectoderm and definitive endoderm

Phlda2

Pleckstrin homology-like domain, family A, member2

26

7

10

5

22

yolk sac endoderm, lateral plate mesoderm and ventral definitive endoderm

Trap1a

Tumor rejection antigen P1A

17

1

5

6

12

definitive endoderm, yolk sac and midbrain and tailbud

Group4: Genes not expressed in yolk sac and heart, but expressed in other germ layers

Gabpb1

GA repeat binding protein, beta1

27

3

1

2

6

entire definitive endoderm, head and tailbud ectoderm and mesoderm, but not expressed at heart and yolk sac

*Cdx1

Caudal type homeo box1

13

0

17

4

21

3 germ layers of the posterior embryo

*Trh

Thyrotropin releasing hormone

18

4

9

0

13

definitive endoderm, brain, midline

*Cyp26a1

Cytochrome P450, family 26, subfamily a, polypeptide1

24

0

5

9

14

tailbud

*Tbx1

T-box1

14

4

1

0

5

foregut and mesoderm

*Otx2

Orthodenticle homolog2

27

8

2

0

10

brain, foregut

Arg1

Arginase 1, liver

15

4

0

4

8

3 germ layers of the trunk, but not expressed at head, heart, tail bud and yolk sac

Gm784

Gene model 784

37

6

1

5

12

3 germ layers, but not expressed at heart and yolk sac

A230098A12Rik

A230098A12Rik

10

3

1

1

5

3 germ layers, but not expressed at heart and yolk sac

Usp22

Ubiquitin specific peptidase

38

2

3

3

8

3 germ layers, but not expressed at heart and yolk sac

Group5: Genes expressed in yolk sac endoderm only

Tdh

L-threonine dehydrogenase

19

1

7

11

19

yolk sac endoderm

Lgals2

Lectin, galactose-binding, soluble 2

18

1

2

6

9

yolk sac endoderm

Cubn

Cubilin (intrisic factor-cobalamin receptor)

23

1

16

17

23

yolk sac endoderm

Pla2g12b

Phospholipase A2, group12B

16

2

2

1

5

yolk sac endoderm

Apoc2

ApolipoproteinC-2

17

3

13

7

23

yolk sac endoderm

  1. L: number of libraries which the 3' most tag sequence of each gene present in; F, E, H, T: raw counts of the 3' most tag sequences for each gene in foregut library (F), whole endoderm library (E), hindgut library (H) and in the three endoderm libraries (T) respectively. *: genes validated in the first list.
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BMC Developmental Biology

ISSN: 1471-213X

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