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Table 4 Over-expression of collagens and collagen-modifying genes in the chicken oviduct

From: Identifying specific proteins involved in eggshell membrane formation using gene expression analysis and bioinformatics

Gene

Collagen type

Chain

WI/Ut (fold change)a

WI/Ma (fold change)a

Confirmed by Proteomics

ESb membranes

ESb matrix

COL1A1

I

α-1

-

1.23

-

[34]

COL1A2

 

α-2

-

1.18

[17]

[34, 38]

COL2A1

II

α-1

-

-

-

[6, 35, 38]

COL3A1

III

α-1

-

1.43; 1.16

-

[34]

COL4A1

IV

α-1

-

-

-

-

COL4A2

 

α-2

-

-

-

-

COL4A3

 

α-3

-

-

[17]

-

COL5A1

V

α-1

-

-

-

-

COL5A2

 

α-2

-

-

[17]

[35]

COL6A1

VI

α-1

-

-

-

[38]

COL6A2

 

α-2

-

-

[18]

[6, 35, 38]

COL7A1

VII

α-1

-

-

-

[38]

COL8A1

VIII

α-1

-

-

-

-

COL10A1

X

α-1

111.43; 50.21

155.42; 94.35

[7, 17, 31]

[6, 35, 38]

COL17A1

XVII

α-1

-

-

-

[6, 38]

COL18A1

XVIII

α-1

-

-

-

[35]

COL20A1

XX

α-1

-

-

-

-

COL22A1

XXII

α-1

-

-

-

-

COL24A1

XXIV

α-1

-

-

[19]

-

 

Collagen-modifying enzymes

     

LOX

Lysyl Oxidase

-

-

-

-

-

LOXL1

Lysyl oxidase-like 1

-

**

**

-

-

LOXL2

Lysyl oxidase-like 2

-

18.64

-

[7, 17]

[6, 33, 38]

LOXL3

Lysyl oxidase-like 3

-

-

1.27

[17, 18, 31]

[38]

LOXL4

Lysyl oxidase-like 4

-

-

-

[19]

-

P4HA2

Prolyl 4-hydroxylase

α-2

1.21

1.64

-

-

P4HB

Prolyl 4-hydroxylase

β

-

1.27

-

[6]

PPIC

Peptidyl-prolyl cis-trans isomerase C

-

1.28

1.51

[17]

[6, 35, 38]

  1. a. **Expressed at very high (saturating) levels in all three tissues
  2. b. ES - Eggshell