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hHb1, hHb3, and hHb6 mRNAs start expressing at the same time in hair follicles.

This study reports a mutation in the U2HR gene causing Marie Unna hereditary hypotrichosis in a Turkish family and notes eyebrow loss as a diagnostic clue.

This study establishes a catalog of human type I hair keratins and identifies their specific roles and expression patterns during hair differentiation and growth in scalp follicles.

This study in mice found that overexpressing Sonic Hedgehog in basal cells caused skin anomalies and a lack of certain hair fibers, underscoring its key role in hair follicle development.

This study suggests that hair cortisol concentration may not reliably indicate psychological distress or differentiate clinical from non-clinical populations, as observed in a female PhD student over nine years.

This study observed that NSG-hu-BLT mice developed graft-versus-host disease characterized by CD8+ T lymphocyte-related cell death in the skin and liver, which may affect their utility in other research areas.

This study identified a novel insertion mutation in the hairless gene that may contribute to the development of congenital atrichia with papular lesions in a Pakistani family.

This piece marks the tenth anniversary of the American Board of Hair Restoration Surgery and highlights the addition of 14 new diplomates from diverse countries, while reporting no new clinical findings.

This study found that hidradenitis suppurativa is associated with increased serum levels of hypoxia-inducible factor-1α, suggesting its role in the disease's pathogenesis and as a treatment target.

This study found that the E6 gene, but not E7, was responsible for HPV8-induced expansion of keratinocyte stem cells in hair follicle junctional zones in mice.

This review discusses the role of keratinocytes in hidradenitis suppurativa, highlighting their genetic and metabolic influences on disease progression without presenting new clinical results.

This article discusses Dr. Jennifer Martinick's experience as a guest speaker at the 20th Annual Meeting of the Japan Society of Clinical Hair Restoration and reports no new findings.

This study found that histidine decarboxylase is crucial for the hair-inducing ability of newborn mouse dermal cells, with its expression significantly decreasing in the first few days after birth.

This study found that activating the hexosamine pathway increased hyaluronic acid secretion and hair follicle stem cell numbers in vitro, suggesting its role in modulating skin homeostasis.

This study observed that cytokeratins are expressed at specific stages during human fetal hair follicle development, with early markers indicating cellular maturation and later markers appearing in more developed follicles.

This study found that a new clinic-based modified hair fall count method is a valid tool for assessing hair loss in women, showing strong association and high precision compared to the conventional home-based method.

This study identified the expression sites of five KAP5 genes on human chromosome 11q13.5 in scalp skin sections but did not explore their detailed distribution within hair follicles.

In this study, researchers identified a novel and two previously reported pathogenic mutations in the HR gene associated with atrichia with papular lesions in five Pakistani families.

This study reported a case of hereditary vitamin D–resistant rickets caused by a single heterozygous missense mutation in the VDR gene, showing dominant-negative effects and reduced response to 1,25-dihydroxyvitamin D3.

In a keratinocyte-specific knockout mouse model, this study found that deleting GRK2 disrupted hair follicle homeostasis, causing cyst-like structures, abnormal growth patterns, and eventual hair loss, suggesting potential links to immune-mediated alopecias.

This study found that Katsuwonus pelamis heart hydrolysates promoted hair growth in human dermal papilla cells, a 3D hair follicle organoid model, and C57BL/6 mice, suggesting its potential as a bioactive hair growth ingredient.

This study found that NF-κB's p65/RelA subunit can directly activate hair keratin genes, suggesting a new role in hair formation that may inform the understanding of ectodermal dysplasias.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

In this study, keratin genes mHa1 and mHb4 were unable to form an extensive keratin network in one cell line, altering endogenous keratin distribution, but showed better integration in another cell line.

This study reports that Huaier promotes hair growth and tissue regeneration in cancer recovery by activating the Hedgehog signaling pathway, potentially preventing recurrence and metastasis independently from SMO function.

In this study, Huoxue Bushen Mixture was associated with increased blood vessel formation and VEGF expression in mice hair follicles, suggesting it may enhance hair growth.

This study found that transgenic mice overexpressing human H-ferritin showed mild growth retardation and a temporary hairless phenotype, highlighting H-ferritin's physiological roles.

This study found that the HoxC gene cluster is crucial for the development of hair and nails in mice, with key regulation by two mammalian-specific enhancers.

In this study, PKC ε transgenic mice exposed to ultraviolet radiation showed increased hair follicle stem cell frequency and altered gene expression compared to wild-type mice, suggesting a potential role in skin cancer susceptibility.