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This review discusses the migration and colonization of melanocytes from the neural crest in mammals and reports no new experimental results.

This study identified distinct gene expression patterns in wool follicle bulbs that may play important roles in wool follicle cycling and regeneration in sheep.

This study found distinct differences in protein expression and wound healing pathways between Acomys cahirinus and Mus musculus, highlighting potential targets for reducing fibrotic response in mammals.

This study found that Danthron induced apoptosis in a human malignant melanoma cell line through mitochondrial, endoplasmic reticulum, and death receptor pathways.

This letter reports a woman with nevoid basal carcinoma syndrome and pronounced androgenic alopecia associated with a novel PTCH gene mutation p.Leu1159fsx32, suggesting a genetic link in this case study.

This review covers the structure, development, cycle, and molecular regulation of hair follicles but does not report new results, aiming to offer insights for addressing hair follicle-related diseases.

This article reviews the complex signaling pathways between epithelial and mesenchymal cells crucial for hair follicle morphogenesis, highlighting the Wnt pathway's role as a master regulator without reporting new experimental findings.

This review discusses cellular senescence in human skin, detailing both beneficial and detrimental effects and suggesting the potential for therapies targeting senescence-related skin disorders, but reports no new clinical results.

This review discusses various aspects of hair follicle biology and highlights unresolved questions and potential new research avenues, but presents no new experimental findings.

This study found that dermal papilla cells from different scalp regions of AGA patients showed differential gene expression related to cell proliferation, apoptosis, and signaling pathways when exposed to DHT in a 3D culture.

This study found that boehmite accelerates hair regrowth by promoting human dermal papilla cell proliferation and enhancing signaling pathways involved in the hair follicle cycle.

This study suggests that the hair growth-promoting effects of 4-O-methylhonokiol may be linked to its ability to modulate TGF-β-induced cell cycle arrest and oxidative stress in HaCaT cells.

The researchers reported that PPARβ/δ may influence the yak hair follicle cycle by modulating lipid metabolism in dermal papilla cells, with varying expression during different hair growth phases, affecting both lipid content and cell proliferation.

This study found that fermented Morinda citrifolia extract enhances the viability and cycle progression of human dermal papilla cells and promotes hair growth through Wnt/β-catenin signaling activation, suggesting its potential as a therapeutic candidate for alopecia.

This review provides a comprehensive overview of apoptosis-related molecules in head development, highlighting caspases' roles and associated abnormalities in tissues like the brain, sensory organs, skin, and bones, without reporting new results.

In this study, human umbilical cord mesenchymal stem cell-derived exosomes were found to promote the growth of human hair dermal papilla cells, partly by enhancing AKT-dependent signaling pathways, suggesting a potential role in treating hair loss.

This study explored the molecular communication between hair matrix cells and dermal papilla cells in cashmere goats, revealing key ligand-receptor pairs and signaling pathways that facilitate intercellular crosstalk and potentially influence hair growth mechanisms.

This review outlines the various fibroblast subsets in the skin dermis, their origins, and their influence on epidermal stem cell behavior, highlighting the role of the local dermal niche in stem cell plasticity.

The researchers reported that reactive oxygen species regulate the stress-induced SP-Mast cell pathway, which might support using antioxidants to treat stress-related hair loss.

This study found that mice lacking REDD1 experienced an expansion of dermal white adipose tissue through both hypertrophy and hyperplasia, suggesting a potential therapeutic target for skin adipogenesis regulation.

This study found that inhibiting JAK signaling can unexpectedly trigger hair growth in resting-phase mouse skin, implicating JAK-STAT pathways and oncostatin M in maintaining hair follicle stem cell quiescence.

In this study, yeast fermentation of Platycladus orientalis leaves was shown to enhance hair growth-promoting properties by affecting cell cycle phases in human dermal papilla cells, increasing growth factor VEGF, reducing inflammatory factor TGF-β1, and altering the expression of Wnt/β-catenin pathway-related genes.

In this rat study, subcutaneous injections of hydrogen peroxide and cumene hydroperoxide appeared to completely prevent chemotherapy-induced hair loss by inducing cell cycle arrest, suggesting a novel approach to help cancer patients maintain their quality of life during treatment.

Sirolimus can reduce tumor cell size in TSC-related skin tumors, but continuous treatment is needed to maintain benefits.

The conclusion is that androgenetic alopecia and senescent alopecia have unique gene changes, suggesting different causes and potential treatments for these hair loss types.

In this study, Iris germanica L. rhizome-derived exosomes were found to reduce oxidative stress, enhance antioxidant enzyme transcription, and restore cellular function in human epidermal keratinocytes, suggesting potential protective effects against oxidative-stress-induced skin damage.

This study found that human umbilical cord blood mesenchymal stem cells promoted hair growth by advancing anagen onset and increasing hair follicle regeneration in an in vivo model.

This study shows that alpha 6 + /MHCI - cells have gene expression profiles similar to hair follicle stem cells, suggesting they may be enriched for stem cells.

In this study, the SFE-4 extract from coffee pulp demonstrated potential effects for treating androgenetic alopecia by enhancing cell proliferation and gene expression related to hair growth pathways in vitro, using human hair follicle dermal papilla and prostate cancer cells.

This study found that exosomes derived from human umbilical cord mesenchymal stem cells enhanced the growth of human hair dermal papilla cells by promoting cell cycle progression and activating PI3K and Akt-dependent pathways, indicating potential for hair loss treatment.