Keratin is a fibrous structural protein found in the outer layer of the skin, as well as in hair and nails. It provides protection and strength to epithelial cells against damage or stress.
5 Must Know Facts For Your Next Test
Keratin helps protect skin from physical damage and microbial invasion.
It is produced by keratinocytes, which are the predominant cell type in the epidermis.
Keratin forms a barrier that prevents pathogens from entering through the skin.
Mutations or deficiencies in keratin can lead to skin disorders such as ichthyosis vulgaris.
The protein plays a role in wound healing by providing structural support.