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The differentiation of the corneous layers of lizard epidermis has been analyzed by ultrastructural immunocytochemistry using specific antibodies against alpha-keratins and keratin associated beta-proteins (KAbetaPs, formerly indicated as beta-keratins). Both beta-cells and alpha-cells of the corneous layer derive from the same germinal layer. An acidic type I alpha-keratin is present in basal and...
The process of cornification in the shell and non-shelled areas of the epidermis of the turtle Chrysemys picta was analyzed by light and ultrastructural immunohistochemistry for keratins, filaggrin and loricrin. Beta-keratin (hard keratin) was only present in the corneus layer of the plastron and carapace. The use of a beta-keratin antibody, developed against a specific chick scale beta-keratin, demonstrated...
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