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In this report, a 19-year-old Japanese man experienced severe and prolonged urticarial reactions following treatment with diphenylcyclopropenone for alopecia universalis, emphasizing the need for caution with potent sensitizers.

This study developed a DPC cell line by introducing mutant CDK4, Cyclin D1, and TERT, making it a promising tool to study downstream signaling pathways activated by testosterone in androgenetic alopecia.

This study explores the expression and function of 11β-HSD1 in human hair follicles and its potential regulation of glucocorticoid effects on dermal papilla cells, but reports no definitive findings on 11β-HSD1's role.

This study identified complex regulatory elements and interactions involving the Hr gene and HR protein that are crucial for hair follicle formation and cycling in mammals.

This study revealed that Patched receptors establish a Hedgehog signaling gradient in developing hair follicles, which may influence their formation and potentially offer a diagnostic tool for distinguishing Hedgehog-driven tumors.

In this study, researchers confirmed linkage of a form of hair-nail ectodermal dysplasia to chromosome 12 in a Pakistani family, suggesting a possible non-coding mutation in KRTHB5 or a mutation in an unknown gene.

In this study, researchers found that Hdac1 and Hdac2 are crucial for maintaining the quiescence and survival of dermal papilla cells in the hair follicle, regulating the hair cycle by controlling cell-cycle genes and Wnt signaling.

This review discusses recent insights into Birt–Hogg–Dube syndrome, including the functions of the FLCN gene and clinical recommendations for screening and treatment, but it reports no new experimental results.

Hair diameter diversity could improve androgenetic alopecia assessment and treatment planning.

This study found that treatment with diphenylcyclopropenone led to more than 75% hair regrowth in 33.3% of patients with alopecia totalis or alopecia universalis, despite notable side effects.

This study observed that hirsute females displayed increased S-phase hair bulb cells and decreased G0/1-phase cells compared to healthy females, with a strong correlation between S-phase percentages and DHEA-S levels.

This case report describes a unique instance where elevated prolactin levels from a pituitary adenoma were associated with hirsutism due to increased dihydrotestosterone, with treatment leading to normalization.

This study found that mutations in exon 3 of the hr gene are strongly associated with congenital hypotrichosis in Valle del Belice sheep, suggesting a potential genetic link to the disorder.

In this study, DHT was observed to have varying effects on hair follicle growth and related protein expression depending on concentration, with the Wnt/β-catenin pathway potentially playing a significant role.

This study reviewed existing articles to assess the efficacy of topical diphenylcyclopropenone immunotherapy for alopecia areata, but it did not report new clinical results.

This case report details a 21-year-old woman with dermatopathia pigmentosa reticularis, presenting with generalized reticulate hyperpigmentation, diffuse noncicatricial alopecia, onychodystrophy, palmoplantar keratoderma, and poorly developed dermatoglyphics.

This article reports on three new cases of Birt–Hogg–Dubé Syndrome and emphasizes the role of genetic analysis in its diagnosis due to clinical challenges.

This review discusses methods to better identify unsafe donor areas in patients with diffuse unpatterned alopecia, emphasizing non-surgical management when specific diagnostic criteria are met, but reports no new clinical results.

This study observed that autologous PRP and PDRN injections improved hair thickness and density in women with pattern hair loss, with combined therapy showing greater improvement in thickness than PDRN alone.

This study found that depleting HIF-P4H-2 in FoxD1-lineage cells in mice led to disrupted hair follicle development, resulting in truncal alopecia but normal cranial hair, suggesting its crucial role in hair homeostasis.

Modified HDL can better deliver drugs and genes, potentially improving treatments and reducing side effects.

This study found that reducing HDAC1 activity in the skin of mice led to defects in hair follicle structure and pigmentation, highlighting HDAC's role in skin and hair maintenance.

This study found that dermal papilla cells exhibit stage-dependent variation in histone methylation during the hair follicle cycle and display distinct chromatin marker expression when transitioning to in vitro culture.

This study found that diphenylcyclopropenone therapy resulted in over 50% hair regrowth in 71% of alopecia totalis patients, with a significant relapse association with thyroid disease, suggesting treatment could be viable but should continue for at least two years.

In this study, human dermal stem/progenitor cell-derived conditioned medium was found to promote hair regrowth in mice, possibly through effects on the Wnt/β-catenin pathway.

This study describes a novel method using force-triggered density gradient sedimentation for efficiently isolating dermal papilla cells from neonatal mouse skin, showing promise for hair follicle regeneration research.

This study found that breast carcinomas ectopically express a truncated form of hHb1 mRNA, which is associated with epithelial cell transformation.

This study found that combining a thulium laser with intra-perifollicular PDRN injections significantly improved hair thickness but not hair counts compared to mesotherapy and PDRN in patients with pattern hair loss.

In this study, researchers found that correcting the HGPS mutation with Adenine base editing partially rescued accelerated skin cell differentiation and reduced cell death in patient-derived stem cells.

In this study, prenatal ultrasonography was found to be a valuable tool for screening ectodermal dysplasia during pregnancy, and a new EDA gene variant associated with X-linked hypohidrotic ectodermal dysplasia was identified, aiding in more accurate diagnoses and reproductive decision-making.