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This review highlights that current in vitro models often fail to replicate the physiological oxygen levels experienced by different skin cell types, which could affect redox states and functions, potentially accelerating skin aging.

This study found that single-nucleus RNA sequencing identified more relevant keratinocyte clusters and specific markers than single-cell RNA sequencing, offering a new perspective on skin cell differentiation and function.

This review discusses the niches supporting adult stem cells in various organisms, including well-studied germline niches and the less understood mammalian niches, but it reports no new research findings.

This review highlights various methods of stem cell communication that reflect the unique organization and function of different tissues and reports no new results.

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 review summarizes current evidence on how beta-human papillomavirus and Merkel cell polyomavirus may contribute to the development of nonmelanoma and Merkel cell skin carcinomas, respectively, but it reports no new clinical findings.

Nephronectin helps attach muscle cells to hair follicles.

This forum article in BMC Biology discusses evolving views on the concept of the stem cell niche, highlighting varied mechanisms and the need for better understanding of the niche's roles and functions.

This study found that overexpression of the transcription factor Tcf3 accelerates keratinocyte migration and skin wound healing in mice, highlighting its potential as a therapeutic target for wound repair.

This review discusses the paracrine properties of cardiac stem cells and pericytes in regenerative medicine for ischaemic diseases and reports no new clinical results.

This review discusses recent advances in understanding Merkel cell carcinoma biology, including the development of genetically-engineered mouse models and potential therapeutic targets, but reports no new clinical results.

In this study, re-activating SOX9 in adult epidermal stem cells led to a fate switch towards hair follicle stem cell identity, with altered chromatin dynamics and oncogenic activation, contributing insights into developmental processes and cancer pathways.

This study found that CRABP1, Nestin, and Ephrin B2 are expressed in both the tumor stroma and invasive front of skin adnexal tumors and basal cell carcinomas.

This study introduces Cell Journey, a new platform for visualizing RNA velocity in 3D, which aims to better capture complex cellular transitions in single-cell datasets compared to current 2D methods.

In this study, CSLD3 overexpression in Arabidopsis enhanced root and hypocotyl growth by increasing cell elongation, with root growth highly sensitive to ethylene and phosphate starvation conditions.

This study found that ΔNp63α directly regulates VDR expression, which in turn may reduce invasiveness in an epidermoid cancer cell line.

This study in SPF lambs found that primary and secondary orf virus infections trigger similar skin responses, but the primary infection caused a more severe and prolonged reaction.

This study found that interleukin-1α and interleukin-7 secreted by keratinocytes enhance the proliferation of γδT-cells and epidermal stem cells, revealing mechanisms of stem cell activation during wound healing in mice.

The Celsr1 gene is crucial for normal hair patterning in mice.

This study found that low temperature triggers root hair elongation in Arabidopsis thaliana through a FERONIA-ROP2-TORC signaling pathway, also activated by nitrogen deficiency.

This study demonstrates a method using intravital imaging to observe sensory hair-cell development and regeneration in zebrafish, which may facilitate assays for drug discovery related to aural function preservation.

This perspective discusses Villani et al.'s findings on the role of the IGF regulatory protein Igfbp2 in basal cell carcinogenesis and highlights potential therapeutic and preventive targets, while raising questions about the cell of origin.

This review discusses the role of the BAFF system in autoimmune diseases and highlights its therapeutic potential, emphasizing the need for disease-specific clinical trials to improve treatment strategies.

This study demonstrates that an iPSC-derived skin organoid model effectively supports Merkel cell polyomavirus infection, persistence, and immune evasion, providing a valuable platform for studying viral tumorigenesis and testing treatment strategies.

This study found that zebrafish with a mutation in the GDP-fucose biosynthesis gene exhibited enhanced and faster regeneration of mechanosensory hair cells, implicating the importance of this gene and Notch signalling regulation in hair cell regeneration mechanisms.

This study found that RSPO1, a Wnt/β-catenin pathway agonist, significantly induces insulin-producing β cell replication and neogenesis in various settings, offering a promising potential therapy for diabetes.

This chapter reviews the biology and regulatory mechanisms of epidermal stem cells, emphasizing their heterogeneity and roles in skin homeostasis, cancer, and aging, without reporting new findings.

This study suggests that supplementing with a cell-free fat extract might enhance embryo development and improve clinical outcomes in older women experiencing in vitro fertilization failure.

In this study, researchers identified S100a4 as a critical regulator of secondary hair follicle stem cells in cashmere goats, linking its expression to follicle regeneration and differentiation pathways, which may have implications for enhancing cashmere fiber production.

This study found that stem cell factor combined with fibronectin and type IV collagen promotes migration of amelanotic melanocytes, which may help explain their movement during vitiligo repigmentation.