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In this study, a case of a 20-year-old woman revealed ectopic acanthosis nigricans at a post-syndactyly-release surgical site, suggesting this rare condition could result from epidermal–dermal mismatch and altered growth factor signaling in grafted skin, without indicating any metabolic or malignancy concerns.

This study found that ectopic expression of Whn in transgenic mice caused impaired differentiation in epidermis and hair follicles, with hair growth defects and severe urinary tract issues leading to hydronephrosis.

This study identified a 505-bp indel variant in the FGF5 gene associated with cashmere growth in goats, which may serve as a molecular marker in cashmere goat breeding programs.

This study identifies a strong association between a 505-bp indel mutation in the FGF5 gene and cashmere growth in goats, suggesting potential use as a genetic marker in breeding programs.

This review discusses the complexities of diagnosing and managing PCOS in teens, focusing on its association with obesity and insulin resistance, but reports no new clinical findings.

The authors concluded that the dermal response to epidermal Wnt/β-catenin signaling depends on distinct fibroblast lineages, with each responding to different paracrine signals such as Hedgehog and TGF-β.

This study reports that Wise is expressed in specific patterns during the morphogenesis of chick embryos, particularly in regions associated with known signaling molecules like Wnt, Bmp, and Shh.

This study found that ectopic expression of the lymphoid-enhancer factor can induce K17 protein in the skin, suggesting a link between skin development and wound repair processes in mice.

In this study, forced expression of the transcription factor cDermo-1 in chicken dermis led to the formation of ectopic feather buds and enhanced feather growth, demonstrating its role in initiating skin appendage development.

Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.

This study indicated that abnormal Bmp signaling in β-catenin gain-of-function mutants is associated with anorectal malformations, shedding light on potential mechanisms underlying these congenital conditions.

Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.

Hair shaft miniaturization leads to hair follicle stem cell loss, suggesting Piezo1 as a potential treatment target.

This article comments on Nemet et al.'s study of blepharitis, emphasizing that Demodex folliculorum is a significant factor in its associated morbidity and can be effectively managed with tea tree oil shampoo.

In this mouse study, researchers found that the absence of laminin-511 in skin delays hair follicle development and disrupts hair shaft differentiation, affecting key transcription factors for hair keratins.

Two studies in Cell Stem Cell reported that human and mouse somatic cells can be reprogrammed into induced pluripotent stem cells using microRNAs, eliminating the need for ectopic protein expression.

This study found that inducing Atoh1 expression in transgenic mice is sufficient to generate new Merkel cells in the epidermis, with variations by skin location, developmental age, and hair cycle stage.

This article proposes that alopecia areata may be caused by immune attacks on hair follicles after an immune privilege collapse, suggesting new therapeutic approaches targeting this immune response pattern.

GLABRA2 represses root hair formation by inhibiting a specific gene.

This paper is a quiz on contraceptive knowledge and reports no new research findings.

This study found that super-enhancers are essential for hair follicle stem cell identity, lineage commitment, and plasticity in mice, with SOX9 being a key regulator of these chromatin dynamics.

This review discusses the potential impact of endocrine-disrupting chemicals and body size on pubertal onset and progression, highlighting critical gaps and priorities for future research without presenting new clinical results.

This study found that overexpression of the transcription factor NFIC may enhance the proliferation and differentiation of stem cells from the apical papilla, suggesting its potential role in dentin/root regeneration.

This review summarizes major growth factors that promote hair follicle growth, but it reports no new experimental findings.

Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.

This review discusses the potential impact of lifestyle factors on the progression of androgenetic alopecia and reports no new clinical findings; the authors emphasize the need for more comprehensive studies.

This review discusses the role of TGF-β signaling in stem cell recruitment and tissue regeneration, indicating that abnormalities in TGF-β activation contribute to various major diseases and suggesting avenues for therapeutic intervention.

In this study, topical application of fibroblast growth factors was found to promote hair growth by inducing and prolonging the anagen phase in telogenic C57BL/6 mice, suggesting potential as hair growth-promoting agents.

This study found that brain-derived neurotrophic factor (BDNF) inhibited hair shaft elongation and induced premature catagen development in cultured human hair follicles, partially through transforming growth factor β2.

This study observed that epidermal growth factor and fibroblast growth factor have distinct roles in sheep skin, with EGF involved in differentiation and FGF in bulb proliferation and fiber growth.