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This study observed that basal cell carcinoma on the scalp shares more similar characteristics with truncal lesions than facial lesions, despite the scalp's proximity to the face.

This study suggests that hypersensitivity and increased serum IgE levels might contribute to the pathogenesis of diffuse alopecia areata through intense local inflammatory infiltration.

In their research, Yucel and colleagues found that CaV1.2 is expressed in hair follicle stem cells, facilitating anagen re-entry in a way not dependent on calcium flux.

In this study with mice, simultaneous inactivation of Smad4 and PTEN genes led to rapid development of invasive forestomach squamous cell carcinomas, mirroring human esophageal SCCs.

In this study, the deletion of Smad4 and PTEN genes in mice was associated with rapid and invasive squamous cell carcinoma formation in the forestomach, modeling human esophageal cancer progression.

This study demonstrates that YAP and TAZ are essential for initiating basal and squamous cell carcinomas in mice, and suggests targeting these pathways could be beneficial for treating skin cancers.

This review discusses recent advances in hair follicle biology, regeneration, and tissue engineering, highlighting emerging therapeutic opportunities, and reports no new experimental results.

This study found that mice with a specific loss of DNA methyltransferase 1 showed uneven epidermal thickness, reduced hair regeneration, and progressive alopecia, emphasizing DNA methylation's role in stem cell homeostasis.

This study found that upper wound fibroblasts are crucial for hair follicle regeneration during wound healing and suggests that these cells, along with papillary fibroblasts, migrate within the wound.

This review reports that sonidegib and vismodegib, two Hedgehog inhibitors used for treating advanced basal cell carcinoma, have similar efficacy and safety profiles, but differ in pharmacokinetics, with sonidegib achieving peak concentration more rapidly and reaching steady state later than vismodegib.

This review examines the diversity and role of stem cells in the adult dermis, noting a lack of precise understanding about their hierarchy and relationship to dermal fibroblast subpopulations, and reports no new results.

In this study, researchers found that patients with alopecia areata who had nail involvement or a history of autoimmune disease showed significantly higher red cell distribution width levels.

This case report describes a 69-year-old woman with hirsutism and elevated serum testosterone, where surgery resolved symptoms and serum testosterone, suggesting ovarian steroid cell tumor consideration in similar profiles.

This study found that exosomes derived from hypoxia-conditioned mesenchymal stem cells modulated inflammatory biomarkers by decreasing CXCL12 and increasing IL-10 expression in a DHT-induced androgenic alopecia mouse model, indicating potential for treating hair loss through immunoregulation.

This study found that the expression of LRIG1 in Merkel cell carcinoma tumors was associated with improved overall and cancer-specific survival.

This study found that Merkel cell clusters require Frizzled6 signaling for their polarity information, while other hair follicle-associated structures align their orientation based on the hair follicle itself.

This review discusses the complex role of Runx family genes in regulating stem cells in blood and skin tissues and reports no new experimental results.

This article discusses the paradoxical effects of valproic acid on hair, reporting both drug-induced hair loss and the potential for hair growth when used topically, but presents no original research findings.

This review explores the role of TGF-β superfamily pathways in stem cell environments and their implications for tissue regeneration and cancer development, reporting no new experimental results.

This study investigated single-cell changes in photoaged skin, revealing distinct cell clusters and increased activity in PD-L1 and PD-1 pathways in sun-exposed areas, enhancing understanding of UVA-induced skin damage and potential prevention targets for photoaging and UV-induced skin cancers.

This study examined the molecular communication in psoriasis cells, highlighting unique immune cell interactions and identifying new features of the hair follicle cell-psoriasis axis. It suggests the potential for targeted therapies at the single-cell level to improve psoriasis treatment.

This study found that intradermal adipocyte lineage cells in mice are necessary and sufficient to activate follicular stem cells, highlighting their role in regulating skin stem cell activity.

This review discusses the role of extracellular vesicles from specific skin cells in wound healing, emphasizing their potential in regenerative medicine and reporting no new experimental results.

This review discusses the distinct roles and surprising developmental flexibility of multiple somatic stem cell types in tissue maintenance and repair, reporting no new results but highlighting emerging questions about their regulation and origins.

This review discusses the enhanced understanding of how stem cell niches respond adaptively to systemic signals, aging, and local perturbations, but reports no new research findings.

This study found that T-regulatory cells, specifically the FOXP3 CD39 subset, were significantly reduced in both circulation and hair follicles of alopecia areata patients compared to healthy subjects, suggesting potential therapeutic targets.

In this review, the authors discuss how understanding and co-regulating multiple signaling pathways could lead to effective regeneration of functional hair cells, highlighting current achievements and future approaches such as small molecule drugs and gene therapy for treating sensorineural hearing loss.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

In this study, topical quercetin was found to stimulate hair follicle growth and promote microvascular regrowth in mice, suggesting its potential for hair regrowth strategies.

This study reported that patients with alopecia areata or alopecia totalis/universalis have a slightly increased overall cancer risk compared to controls, with specific increases in thyroid, bladder, and prostate cancers depending on the alopecia type.