33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
73 citations
,
January 2016 in “International review of cell and molecular biology” Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.
February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.
5 citations
,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.