2020
DOI: 10.1002/jmor.21299
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Immunolabeling indicates that sulfhydryl oxidase is absent in anamniote epidermis but marks the process of cornification in the skin of terrestrial vertebrates

Abstract: The passage between keratinization to cornification of the epidermis and skin appendages in vertebrates requires formation of a stratum corneum rich in SS bonds among other cross‐linking chemical bonds. A key enzyme, sulfhydryl oxidase (SOXase) catalyzes the oxidation of SH groups present in keratins and in corneous proteins of the epidermis into SS. Presence and distribution of SAXase has been studied by immunohistochemistry in all vertebrates, from fish to mammals. SOXase is immunohistochemically abse… Show more

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Cited by 2 publications
(2 citation statements)
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“…The immunohistochemical methods that were used have been explained in previous studies involving the skin of lamprey, various actinopterygians fish, Australian lungfish, urodeles, and anuran amphibians (summarized in Alibardi, 2010a, 2010b, 2013, 2014, 2015, 2020a, 2020b; Alibardi et al, 2011; Alibardi & Segalla, 2011; Table 1). The multi‐stratified epidermis in different species of fish displayed a columnar basal epithelium and contained sparse unicellular mucous glands among keratinocytes (Figure 2a,b; Table 1).…”
Section: Distribution Of Keratins and Associated Proteins In Anamniote Epidermismentioning
confidence: 99%
See 1 more Smart Citation
“…The immunohistochemical methods that were used have been explained in previous studies involving the skin of lamprey, various actinopterygians fish, Australian lungfish, urodeles, and anuran amphibians (summarized in Alibardi, 2010a, 2010b, 2013, 2014, 2015, 2020a, 2020b; Alibardi et al, 2011; Alibardi & Segalla, 2011; Table 1). The multi‐stratified epidermis in different species of fish displayed a columnar basal epithelium and contained sparse unicellular mucous glands among keratinocytes (Figure 2a,b; Table 1).…”
Section: Distribution Of Keratins and Associated Proteins In Anamniote Epidermismentioning
confidence: 99%
“…As in the preceding section, the following is derived from the methods and species of different ratites and neornithe birds detailed elsewhere (Alibardi, 2004, 2007, 2020a, 2020b; Alibardi & Toni, 2008; Table 1). The epidermis of birds includes apteric and pterilae (interfollicule) areas, which are generally thin and rich in lipids with a soft form of cornification (Menon, Brown, & Elias, 1986; Menon et al, 1996; Menon & Menon, 2000; Alibardi, 2004; Alibardi & Toni, 2008; Table 1).…”
Section: Distribution Of Keratins and Cps In Avian Skinmentioning
confidence: 99%