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This study found that keratin K14 expression occurs early in epidermal cell differentiation, while a hair-specific keratin is expressed later in hair matrix cells, suggesting developmental divergence between the two cell types.

This review discusses the genetic factors involved in hair follicle morphogenesis and cycling and reports no new clinical results; it emphasizes the role of genes in hereditary hair diseases.

Oral retinoids are effective for severe skin conditions but require careful use due to side effects.

This study found that terbinafine prevented the invasion of keratin by Trichophyton mentagrophytes in experimental models replicating human dermatomycoses.

This overview examines the biology, origin, structure, and function of various cells and structures, such as the blood-retinal barrier and Merkel cells, and discusses their roles in disease pathogenesis, along with recent findings related to the lymph nodes' paracortex.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

This study identified a new type II cytokeratin, named K6hf, exclusively expressed in the companion layer of the human hair follicle, distinguishing it from other keratins and suggesting a unique biochemical role.

This review explores theories on the evolution of hair from synapsid scales and glands, proposing mechanisms supported by comparative studies, but reports no new experimental findings.

This retrospective review of hair samples from pediatric patients indicated that microscopic hair examination might be a useful first-line investigation for diagnosing various genetic conditions.

This review identifies cysteine's central role in hair growth and its potential impact on Alopecia Areata's pathogenesis, suggesting examination of cysteine metabolism might clarify the disease's underlying mechanisms and lead to new treatments.

This article reviews existing and emerging treatments for psoriasis, focusing on therapy modifications due to scientific advancements, but it does not report new clinical results.

In this study, co-grafting human keratinocytes with murine dermal papilla-enriched cells produced hair follicle-like structures, but without regular hair formation, suggesting anomalous folliculogenesis.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

This review identifies genetic mutations associated with congenital hair loss disorders in Japanese populations, particularly highlighting common LIPH gene mutations linked to woolly hair/hypotrichosis, and reports no new clinical results.

In this study, researchers found that the EDMTFH protein is present in specific layers of the chicken embryo skin and feathers, suggesting its role in feather mechanics and development.

This article discusses the minimal research on hair growth physiology and highlights Dr. Masumi Inaba's contributions to understanding androgenetic alopecia, but reports no new experimental results.

Hidradenitis Suppurativa is a chronic skin condition best treated early with surgery for better outcomes and less recurrence.

This study observed that unpigmented keratinocytes saturate quickly with foreign substance uptake compared to pigmented melanocytes, where melanin significantly enhances binding.

This review discusses advances in understanding hair and hair follicle structure, gene expression, and molecular signals in hair formation, without reporting new clinical findings.

This biographical abstract highlights George Rogers' pioneering contributions to the understanding of keratin molecular structure and keratinisation biochemistry, including the application of electron microscopy to hair ultrastructure and the discovery of enzymes and gene transcription processes relevant to keratin proteins.

This article reviews various topics discussed at a workshop on hair disorders, focusing on hair biology, diagnosis, and challenges in therapy evaluation, without presenting new clinical findings.

This review discusses madarosis, its diverse causes, and suggests follicular unit transplantation as a useful treatment for scarring types, but reports no new clinical results.

This review discusses skin problems common among long-distance runners and outlines helpful treatments, without presenting new clinical results.

This study utilized advanced imaging techniques to quantify hair damage and dye uptake dynamics, revealing that compound penetration in hair is influenced by molecule size and lipophilicity.

Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.

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

The research identified six functional hair keratin genes and four pseudogenes, providing insights into hair formation and gene organization.

This study identified a new cytokeratin, mK6irs, specifically expressed in the inner root sheath of mouse hair follicles, distinguishing it as a member of the type II cytokeratin family.

This review explores the similarities between wound healing, palatogenesis, and orofacial clefting, suggesting these processes share common pathways and genetic regulatory mechanisms, but reports no new experimental results.

In this study, in vitro growth of human hair follicles did not alter hair keratin expression patterns, maintaining follicle integrity and proper keratinization similar to in vivo conditions.