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This review discusses the molecular mechanisms driving hair follicle degeneration in skin aging and emphasizes the role of the tissue microenvironment on stem cell function, but reports no new research findings.

In a mouse model, this study found that LAM/TSC cells invaded the uterus and increased angiogenesis, while anti-EGFR antibody and rapamycin effectively reduced cell presence and blood vessel proliferation.

This review discusses the roles of peripheral nerves in stem cell and immune responses within the skin and hematopoietic system, emphasizing their potential in developing new therapies; it reports no new experimental results.

This study identified changes in immune activation, ferroptosis, and structural genes in alopecia areata subtypes, suggesting molecular markers that might help understand disease variability and guide future treatments.

This study found that in cashmere goats, melatonin treatments enhanced cashmere growth by stimulating secondary hair follicles, increasing follicle density, and improving yield and quality, highlighting key genes and metabolic pathways involved in this process.

This study provides a detailed analysis of cell subpopulations in a mouse model of wound-induced hair follicle regeneration, revealing specific cellular dynamics and heterogeneity that may influence hair follicle neogenesis.

This study identified morphotype-specific gene expression patterns in feathers, enhancing understanding of the molecular and cellular processes involved in feather development and diversification.

In this study, researchers found that specific genetic variations at loci rs1160312, rs6113491, and rs1041668 are independent risk factors for androgenetic alopecia in men, and these risks can be influenced by diet.

In this study, mouse models of 22q11.2 deletion syndrome showed that growth issues in small embryonic thymuses were linked to mesenchymal cells, which could be corrected by substituting with normal mesenchyme.

This study identified that bone marrow-derived CD34⁺ cells act as fibroblast progenitors to enhance tissue regeneration in ischemic limbs by promoting angiogenesis through interactions with macrophages.

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.

This review discusses the regulation of myeloid cell networks in barrier tissues and how various factors influence immune homeostasis, but it reports no new experimental results.

Skin organoids can mimic human skin responses to injury and inflammation, making them useful for studying skin diseases and testing treatments.

This study found that human γδTregs promoted hair regrowth and restored hair follicle immune privilege in a model of alopecia areata, suggesting potential for cell-based therapy in autoimmune diseases.

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 review highlighted that in an in vitro setting, 3D spheroid cultures of fish cells offer a promising alternative to traditional monolayer cultures, potentially advancing research in eco-toxicology, immunology, drug screening, and more by better mimicking in vivo conditions.

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 investigated how 2D and 3D cell culturing methods influence hair follicle morphogenesis, finding that 3D cultures responded more expectedly to minoxidil while 2D cultures reacted better to DHT treatment, challenging the assumption that 3D cultures are always superior.

This study described a method using sodium dodecanoate and high levels of reductant to process hair shaft proteomes, allowing analysis of genetic, developmental, and forensic information beneficial to various scientific fields.

This study found that exosomes from human umbilical cord mesenchymal stem cells significantly promoted hair follicle growth and enhanced the transition to the growth phase in a model of androgenetic alopecia, by enriching specific microRNAs that activate key pathways involved in hair regeneration.

Adipose stem cell exosomes may effectively treat atopic dermatitis by reducing inflammation and improving skin health.

This study found that synchronized signals in the microenvironment regulate stem cell lineage choices in hair follicles by influencing chromatin dynamics during regeneration.

This study found that Frizzled genes Fzd3 and Fzd6 are redundantly involved in controlling hair follicle polarity in mice, but operate through distinct mechanisms, highlighting their complex role in hair orientation.

This study developed a technique to limit genetic recombination to regulatory T cells to investigate whether self-tolerance is maintained in non-lymphoid tissues, an area previously not well understood.

This review discusses the mechanisms of skin-associated cell death and their potential role in treating inflammatory skin diseases, but presents no new clinical findings.

This review highlights recent advances in CRISPR-based lineage tracing methods that can improve our understanding of skin stem cell behavior, regeneration, and disease, with potential applications in organoids and model organisms.

This review discusses the bidirectional interactions between human mast cells and CD8 T cells in the skin, particularly in the context of disorders like psoriasis, atopic dermatitis, and vitiligo, and reports no new findings.

This study found that ovine dermal papilla cells exhibit robust aggregation and alkaline phosphatase activity, regulated by Wnt/β-catenin signaling, providing insights for improving wool performance and hair regeneration therapies.

This study found that cutaneous squamous cell carcinomas in mice infected with murine papillomavirus preferentially arise from Lgr5+ progenitor cells, while squamous cell dysplasia does not.

This review discusses various methods for processing and separating human skin samples for research purposes, evaluating factors like processing time and cell viability, but reports no new experimental findings.