Table 1 Immunoreactivity of normal tissues from two reptile species [bearded dragon (Pogona vitticeps) and loggerhead sea turtle (Caretta caretta)] with commercially available monoclonal anti-alpha human keratin AE1 and AE3 antibodies

 Basal cells

–

+

+++

++

 Suprabasal cells

–

+

+++

+++

 Pre-cornified layers

+++/++^b

+

–

++

 Cornified layer

+++^c

–

–

–

Lingual epithelium (n = 0/4)

ND

ND

+++^d

+^d

Oesophageal epithelium (n = 0/6)

ND

ND

+++^d

+++^e

 Surface epithelium

++

–

+++/−^f

+

 Gastric glands

+/−

–

–

–

Small intestine epithelium (n = 4/6)

+++

–

+++

–

Large intestine epithelium (n = 4/6)

–

–

–

–

 Hepatocytes

++

–

++

–

 Biliary ductal epithelium

+++

–

+++

–

Gallbladder epithelium (n = 0/3)

ND

ND

+

–

 Acinar epithelium

–

–

–

–

 Ductal epithelium

–

–

–

–

Tracheal epithelium (n = 4/6)

++

–

+++

–

Lung (bronchial, bronchiolar and faveolar epithelia) (n = 4/6)

++

–

+++

–

 Parietal layer of Bowman’s capsule

–

–

+++

+/−

 Proximal tubules

–

–

–

–

 Distal tubules

++

–

+++

+++

 Collecting ducts

+

–

+++

+++

Urinary bladder epithelium (n = 0/3)

NA

NA

+/−

–

Salt gland (n = 0/6)

NA

NA

 Secretory acini

+++/+^g

+/−

 Ductal epithelium

+++

+++

Thyroid gland epithelium (n = 2/5)

–

–

–

–

Spleen (n = 4/6)

–

–

–

–

Epicardium (n = 4/6)

+

–

+

–

Vascular endothelium (n = 4/6)

–

–

–

+/−