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This report describes four cases of monilethrix in children and concludes that periodic inhibition of keratin synthesis, not a metabolic defect, may explain the hair abnormality.

This study suggests that αMSH may play a regulatory role in human dermal papilla cells, potentially influencing immune and inflammatory responses in hair follicles, which could contribute to inflammatory alopecia.

Balanced protease activity is crucial for healthy skin and hair development.

This study found that melanocyte progenitor cells are present in human subcutaneous adipose tissue and may differentiate into mature melanocytes, suggesting potential applications in treating skin diseases and rejuvenation.

In this study, a ferret with multiple health issues was diagnosed with a malignant apocrine gland adenocarcinoma on the prepuce, highlighting the aggressive nature of such tumors in this species and suggesting further investigation into cytologic features could provide insights into tumor behavior.

In this study, researchers identified Tenascin-C as a marker for touch dome keratinocytes, which maintain themselves and can develop into Merkel cells following injury, showing they share molecular traits with various epidermal keratinocytes.

This article compiles various methods and models for studying keratinocytes, epidermal stem cells, and differentiation processes, but it reports no new research findings.

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

This study identified hair shaft progenitors in the matrix that regulate hair growth and pigmentation by creating a niche dependent on stem cell factor, implicating KROX20+ cells in these processes.

This case report describes a proliferating trichilemmal cyst that underwent malignant transformation, with specific keratins identified in the tumor but no epidermal keratin detected.

This article reviews naevus comedonicus, highlighting potential treatments like retinoic acid application and surgical intervention, but reports no new clinical findings.

This study found that medullary cell content in mammal hair evolves from an amorphous form to a biphasic phase, with human and anthropoid hair containing both macrofibrils and microfibrils.

This study reports various immunophenotypical patterns in apocrine mixed skin tumors, resembling the structures of hair follicles, sebaceous glands, and apocrine glands.

This study reports that side-population stem cells, distinct from hair follicle stem cells, may play a significant role in the malignant progression of squamous cell carcinomas in mice.

In this study, the researchers found that thymosin beta-4 promotes odontoblastic differentiation in human dental pulp cells, suggesting it as a potential mechanism for regenerative endodontics.

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

This study investigated the histogenetic relationship between basal cell carcinoma and hair follicles, revealing specific staining patterns of a monoclonal antibody in different skin tissues.

This report presents a case of a seven-year-old girl with porokeratotic adnexal ostial nevus manifesting as hyperkeratotic verrucous papules on her left foot.

This report explores the potential cellular origins of keratoacanthoma lesions on the oral mucosa, noting that it reports no new results.

This study found that an imbalance of selenium in a C57BL/6 mouse model led to hair loss with color change and was linked with changes in hair follicle apoptosis markers.

This study identified and isolated highly proliferative canine keratinocytes in vitro, finding that follicular keratinocytes showed distinct proliferative capacity and marker expression indicative of putative epithelial stem cells.

Using mouse hair follicle organoids, this study demonstrated that BMP4 plays a key role in controlling hair follicle coloration and growth, as well as directing Nestin-positive stem cells towards becoming melanocytes, the pigment-producing cells responsible for hair color.

In this study, researchers found that myeloid cells can convert into keratinocytes during wound healing and contribute to hair follicle regeneration in mice.

In this study, a mouse model of scarring alopecia demonstrated significantly reduced CD200R expression in affected skin, which may contribute to immune attacks on hair follicles.

This study found that calretinin immunoreactivity may help identify the innermost cell layer of the outer root sheath in anagen hair follicles and certain cutaneous adnexal proliferations with follicular, sebaceous, and eccrine differentiation.

This review discusses the role of melanin synthesis in melanoma, focusing on how melanosomal pH might regulate melanin production, and reports no new results.

This study suggests that new cells are incorporated into the dermal papilla during the early anagen phase of the hair cycle, which may influence hair growth consistency and follicle size changes.