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This study demonstrated that Wnt5a can serve as an orienting signal for mouse skin's planar cell polarity but its overexpression disrupts hair follicle orientation, which can be rescued by modifying Fzd6 levels.

This study identified dual epithelial and mesenchymal traits in dermal sheath cells during wound repair, suggesting they could be targeted to enhance healing.

This study suggests that Staphylococcus capitis ferment filtrate (SCFF) may promote hair growth and scalp health by modulating pathways related to hair loss, aging, and oxidative stress in vitro.

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.

In this study, the researchers found that Astragalus sinicus extracts improved wound healing, reduced oxidative stress, and activated crucial signaling pathways in dermal papilla cells damaged by dihydrotestosterone, suggesting it may be a promising ingredient for hair loss treatment.

In this study, the deletion of NIPP1 in keratinocytes led to chronic skin inflammation and epidermal changes in mice, with early cell-cycle arrest and premature senescence observed, potentially contributing to reduced mutagen sensitivity.

This study concluded that terminal Schwann cells are essential for the maintenance and regeneration of mechanosensory lanceolate complexes at hair follicles in adult mice.

This study identified WNT10A as crucial for adult epithelial cell proliferation and differentiation, suggesting β-catenin pathway activation may help address regenerative defects in WNT10A mutation patients.

This review evaluates in vitro hair follicle models, techniques, and challenges without reporting new clinical results, emphasizing their future potential in hair transplantation.

In this review, the authors discussed how the circadian clock influences hair follicle regeneration by regulating metabolism, suggesting potential new targets for hair loss treatments.

This study identified collagen XXII as a novel extracellular matrix protein specifically present at tissue junctions, where it functions as a cell adhesion ligand for skin epithelial cells and fibroblasts.

This study found that hair follicle stem cells from mice can differentiate into beating cardiac muscle cells, suggesting potential applications for heart regeneration in regenerative medicine.

This study found that Bcl-xL deficiency in mice increased apoptosis and resistance to skin tumor development, highlighting Bcl-xL's role in early skin carcinogenesis through anti-apoptotic functions.

This research observed that nanoliposomes delivering a combination of bioactive peptides significantly promoted hair growth in vitro and in vivo by enhancing the proliferation and function of hair growth-targeted cells in C57BL/6 mice, suggesting a promising approach for treating androgenetic alopecia.

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.

This study used 3D bioprinting to implant epidermal stem cells, skin-derived precursors, and Matrigel into mouse wounds, successfully regenerating hair follicles and skin components within four weeks, with minimal impact on stem cell viability and stemness.

This review explores recent studies on exosomes for hair loss treatment and reports no new clinical findings, highlighting their potential role as promising agents in hair regeneration.

This study found that knocking down SFRP2 in an AGA model improved hair regeneration and reduced cellular dysfunction, suggesting that targeting the SFRP2-FSTL1 axis could be a promising therapeutic strategy for androgenetic alopecia.

This study assesses the potential of exosomes as a therapeutic option for androgenetic alopecia, examining their mechanisms and effectiveness. The authors conducted a systematic review of existing research to explore how these extracellular vesicles might stimulate hair growth and restore follicle function.

In this study, researchers explored the heterogeneity of pigment cells in the human scalp anagen hair follicle bulb and discovered unexpected subpopulations of melanocytes, including immature SOX10-negative cells, highlighting potential non-melanogenic roles or transitional migratory functions that require further investigation.

This study identifies gene-regulatory networks related to genetic variants in skin and hair diseases, suggesting that dermal papilla cells are crucial in androgenetic alopecia.

This research found that the microtubule catastrophe factor KIF18B plays a crucial role in promoting spindle orientation in keratinocytes, linking this process to cell fate decisions during hair follicle morphogenesis.

This study showed that the stress hormone CRF inhibits hair growth and induces hair loss by affecting both the proliferation of human dermal papilla cells and hair follicle function.

This study found that Rac1 activity in specific skin compartments is sufficient for hair formation, but results in hair with altered structure and pigmentation compared to normal.

In this study, stress hormone CRF was found to inhibit hair growth, suggesting that the HPA axis is functional in human dermal papilla cells and contributes to hair loss under stress conditions.

This article describes a woman's case of slowly progressive nonscarring alopecia with unique biopsy findings, suggesting the need to reexamine similar cases currently classified as chronic diffuse alopecia areata.

This study used digital-light-processing bioprinting to create a 3D skin-on-a-chip model with a miniaturized vascular network to closely study immune cell interactions similar to real human skin, demonstrating the potential to analyze immune-T cell trafficking influenced by skin signals.

This article reviews the emerging non-inflammatory roles of regulatory T cells in the skin and reports no new clinical findings, suggesting broad biological influence beyond traditional immune functions.

This study found that dietary serine levels influence hair follicle stem cells' ability to balance hair regeneration and wound repair, offering insights for potential interventions to accelerate wound healing.

This review discusses how regulatory T cells, known for their immunosuppressive role, also produce repair mediators critical for tissue repair and regeneration, acting on non-immune cells in tissue-specific contexts, and highlights areas for future research in tissue repair, fibrosis, and cancer.