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This study found that Fos protein expression is closely linked to epithelial cell differentiation, particularly during cornification and cell death, with overexpression observed in keratinization-blocked mutant epidermis.

This study describes trichilemmal keratinization as a distinct process of hair follicle keratinization that occurs in specific areas of the outer root sheath, illustrated using electron microscopy on dog hair.

Feathers become harder as they develop due to a change in keratin type.

Keratin structure changes during keratinization, but the exact model remains uncertain.

Cepharanthine and minoxidil promote cell growth and delay hair cell maturation.

This study found that distinct glycoconjugate expression patterns in human hair follicle cells suggest complex carbohydrate metabolism, revealing a unique sugar moiety in outer root sheath cells not present in other keratinocytes.

This article describes the structure and components of hair cuticle cells and their intercellular junctions but reports no new clinical results.

Mouse tail skin has different keratinization near hair follicles and scales.

This study found that partial protein extraction from keratinized tissues, such as hair and nails, reveals protein patterns distinct from whole protein extracts, including the presence of ubiquitin.

This review reports on the use of nails as an alternative biological matrix to hair for assessing long-term drug consumption, emphasizing that while there are clear differences between nail and hair samples, more standardized research is necessary for definitive conclusions.

This study identified the presence of recognizable organelles, such as lysosomes and mitochondria, in both the keratinized fiber and the hardened inner root sheath of the Romney wool follicle.

This study reviews the complex keratinization process in the epidermis, detailing how various factors regulate keratinocyte differentiation and emphasizing the importance of understanding this process for the pathogenesis of skin disorders like ichthyoses and psoriasis.

This study found that S. scabiei infestation in rabbits leads to epidermal thickening possibly due to apoptosis-related proliferation and keratinization of the skin.

This article discusses keratosis pilaris, a common skin condition often considered a normal variant, and reviews its associations, progression, and available treatments without reporting new clinical results.

Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.

This review discusses the structure, types, and distribution of keratins and their role in tissue fragility disorders, particularly within the oral cavity, without presenting new clinical findings.

This study demonstrates that overexpression of K16 in transgenic mice disrupts normal keratinization, leading to hyperkeratosis, acanthosis, and alterations in the skin's epithelial cells.

Vertebrate skin evolved to be more specialized and complex, especially in land animals.

This study explains how the development of keratin-associated proteins in embryonic epidermis is crucial for forming protective barriers in vertebrates, enabling them to adapt to terrestrial environments.

This review covers various disorders of cornification and their treatments, offering clinical insights but reporting no new research findings.

This review discusses the genetic, autoinflammatory, and keratinization factors involved in hidradenitis suppurativa and presents the concept of classifying it as an autoinflammatory keratinization disease, but reports no new clinical results.

This review discusses current concepts on the role of retinoids in keratinization and does not report new clinical results; the authors emphasize the complexity of retinoid effects on skin.

This article reviews how various chemical agents affect human hair and skin, suggesting the need for more research on their pharmacologic and dermatologic effects; it does not report new experimental results.

This study suggests that spiny keratoderma may be an ectopic hair formation on palms and soles, based on keratinization patterns observed using antikeratin antibodies and electron microscopy.

This study found no structural differences between in vitro and in vivo grown hair, with keratinization and organization of keratin being comparable in both settings.

This review summarizes recent advances in understanding intermediate filament structure and their implications for pathological mutations and human diseases, but it reports no new experimental results.

This overview discusses advancements in the understanding of molecular genetics in heritable keratinization disorders, focusing on recent cases of inherited ichthyosis, and reports no new clinical results.

Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.

This study observed unique ultrastructural changes in a 4-year-old girl with pili trianguli et canaliculi that may affect hair shaft surface characteristics due to inner root sheath alterations.