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In this study, epidermal Notch activation increased jagged 1 expression, leading to skin changes like thickening and blistering, with these effects inhibited when jagged 1 was absent.

This review discusses the roles of tissue-specific and mesenchymal stromal cells in tissue repair and reparative disorders, highlighting potential therapeutic targets for muscle, heart, and lung tissues.

This review discusses the identification and roles of different epidermal stem cell types in skin homeostasis and repair, and reports no new experimental findings.

This review discusses how epidermal Langerhan's cells and dermal cells may influence keratinocyte environments, potentially aiding in the formation of stem cell niches and cellular variety in the basal layer, without providing novel results.

This review explores recent insights into how intrinsic gene oscillations and molecular interactions in hair follicle stem cells contribute to their regenerative potential, with potential implications for regenerative medicine, but reports no new clinical results.

This study found that follicular stem cells in hair follicles are more sensitive to the antiproliferative effects of glucocorticoids compared to basal keratinocytes due to incomplete desensitization.

This review discusses the mechanisms governing epidermal stem and progenitor cell differentiation, emphasizing the balance necessary for maintaining skin barrier function, and reports no new experimental findings.

This study found that reduced cell cohesiveness in eccrine sweat gland outgrowths contributed to delayed wound healing in elderly skin compared to younger skin.

This study demonstrates that keratinocyte cell lines derived from cultured hair follicles can fully differentiate in organotypic skin models, offering a minimally invasive alternative to obtaining keratinocytes for research.

This review examines the role of stem cells and their niches in continuously growing ectodermal organs like teeth, hair, and claws, providing insights from mouse models without presenting new research findings.

In this study, researchers found that mast cells in Erythema Toxicum lesions in newborns are actively involved in the immune response around hair follicles, but do not express the antimicrobial peptide LL-37.

This study concluded that early-stage tissue-engineered skin substitutes, developed using skin progenitor cells, had a better graft efficiency and supported hair follicle formation, which may improve wound healing outcomes.

This case report describes a 60-year-old woman with an ovarian Leydig cell tumor leading to elevated testosterone levels and hirsutism, highlighting the need to consider androgen-secreting tumors in similar postmenopausal cases.

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 found that Thy1+ keratinocytes in the basal layer of the interfollicular epidermis play a crucial role in epidermal homeostasis and wound repair, with their ablation impairing these processes.

This case report describes a woman with hyperandrogenism and menstrual disturbances, where an ovarian steroid cell tumor was identified and removed, leading to resolution of symptoms.

This study found that human dermal fibroblasts can promote the viability and proliferation of microvascular endothelial cells in vitro, revealing important interactions at play in hair growth.

This study suggests that high proliferative activity and peripheral invasion are key indicators of malignancy in canine sebaceous gland tumours. It also reports a higher incidence of circumanal gland and testicular tumours, indicating a possible androgen-related pathway in tumour development.

In this study, the researchers developed a new protocol using human-induced pluripotent stem cells to efficiently create skin hair follicle organoids, which may aid in optimizing hair follicle growth and exploring treatments for alopecia.

This study discusses incidental findings of syringomas and syringomatous proliferations in areas of scalp alopecia, suggesting they may be secondary to reactive changes from subclinical alopecia.

This narrative review discusses the discovery of plasticity in epidermal stem cells using single-cell transcriptomics, but reports no new results; it highlights the potential implications for regenerative medicine.

This study suggests that alkaline phosphatase-regulated expression of CCL5 contributes to the trichogenicity of human dermal papilla spheres.

This review examines the origins and mechanisms of tumor initiation in common skin cancers, but does not present new experimental findings; it emphasizes the need for further research on cancer stem cells.

This article reviews advancements in understanding skin regeneration and suggests that bioengineering skin surrogates may soon enhance treatments for skin trauma, but it presents no new clinical findings.

This case report describes a 29-year-old Japanese man with follicular mucinosis, suggesting nestin-positive, multipotent hair follicle stem cells may be involved in reticular epithelial degeneration of the outer root sheath.

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.

In this study, researchers used single-cell RNA sequencing to map the hair follicle microenvironment in fine-wool sheep, identifying specific cell types and gene expressions that influence wool fiber diameter, with dermal papilla cells playing a significant role in hair follicle development.

This meta-analysis found that autologous cell-based therapies, especially stromal vascular fraction, significantly improved atrophic acne scars over control treatments, enhancing both clinical and patient-reported outcomes.

This study demonstrated that skin organoids derived from human stem cells can model cutaneous tuberculosis, revealing that fibrosis development in Mycobacterium tuberculosis-infected organoids is linked to the PI3K-AKT and AP1 pathways in fibroblasts, and suggesting the potential for antifibrotic treatment evaluation.

This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.