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This study found that RXR and RAR proteins were detectable in normal human skin, suggesting they may play a role in epidermal cell differentiation and hair and gland physiology.

In this study, upper-bulge epidermal stem cells in mouse hair follicles were shown to play a role in forming tactile sensory units by creating an extracellular matrix that supports nerve interactions.

This study found that eccrine duct dilation is significantly more frequent in cicatricial alopecias compared to noncicatricial alopecias, possibly due to the scarring process.

This study reports that during late embryogenesis and early postnatal development, K79-expressing keratinocytes change and die independently of sebaceous glands to form the hair follicle opening, potentially influencing conditions like ingrown hairs or acne.

In this case report, a 21-year-old male was observed to have primary essential cutis verticis gyrata, a condition characterized by the excessive formation of scalp folds resembling cerebral gyri, without any additional comorbidities.

In this study, researchers propose that different vertebrate skin appendages, such as hair, feathers, and scales, evolved in parallel from a shared ancestral cell structure associated with teeth, dating back approximately 420 million years ago.

A new method can better diagnose eruptive vellus hair cysts.

This study found that nevoid basal cell carcinomas originate in the epidermis and upper hair follicles, resembling early nonnevoid basal cell carcinoma proliferations.

This study found that ocu-miR-205 promotes changes in signaling pathways and shifts in hair follicle phases, affecting Rex rabbit hair density by increasing secondary follicles.

This review summarizes the role of Ectodysplasin A signaling in skin appendage development and various diseases, noting potential clinical applications but reporting no new research findings.

This case report documents a rare presentation of congenital milia en plaque on the scalp of a five-year-old boy, with blaschkoid extension to the nuchal area, highlighting its uncommon location and onset.

This study found that "early" transit amplifying cells, marked by CD271, are the first keratinocyte stem cell progenitors with distinct features, playing a significant role in early epidermal differentiation and regeneration.

In this study, patients with specific skin and scalp conditions, including eczematous lesions, showed significant improvement after two weeks of oral tofacitinib treatment, as evidenced by changes in the trunk lesions.

This paper reviews recent findings on epidermal development and stem cell regulation, listing key studies that contribute to understanding the molecular pathways involved in skin morphogenesis without reporting new experimental results.

Repetin is a protein involved in skin and hair development, binding calcium and compensating for other proteins when needed.

The researchers concluded that their new reconstructed human epidermis model from plucked hair follicle-derived keratinocytes offers a safer and simpler alternative to traditional skin-derived models for studying epidermal function.

This study reports that EGF at specific concentrations promotes the proliferation and migration of hair follicle ORS cells by activating the Wnt/β-catenin signaling pathway in vitro.

In this case report, adult-onset porokeratotic eccrine ostial and dermal duct nevus improved with topical tazarotene treatment, as evidenced by dermatoscopic images.

This study found that ocu-miR-205 promotes apoptosis in dermal papilla cells, alters hair follicle signaling pathways, and affects hair density in Rex rabbits.

This case report describes a patient with ulerythema ophryogenes who had developmental and physical anomalies and showed no improvement with topical or oral isotretinoin treatments.

This study found that ocu-miR-205 influences hair follicle density and signaling pathways in Rex rabbits by promoting dermal papilla cell apoptosis and altering hair follicle phases.

This report discusses the accurate diagnosis of atrichia with papular lesions, emphasizing its distinction from alopecia universalis to prevent unnecessary steroid treatment, and presents a case matching APL diagnostic criteria.

This study reports five cases of congenital triangular alopecia featuring a central island of short terminal hair, with the cause remaining unknown.

This article discusses eruptive vellus hair cysts, detailing their appearance, distribution, histology, and potential spontaneous resolution, but reports no new clinical findings on treatment.

This study characterizes gene expression patterns in embryonic hair follicle progenitors and their niche, identifying signaling pathways like axon guidance that may drive cellular rearrangements for hair follicle formation.

This study identified a recurrent mutation in the endothelin receptor type A associated with mandibulofacial dysostosis with alopecia, and proposed a mechanism involving increased ligand affinity due to structural changes.

In this report, a 1-year-old boy with congenital atrichia with papular lesions was found to have a complete absence of scalp and body hair and keratin-filled cysts due to a mutation in the hairless gene.