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This review discusses vitamin D and calcium signaling roles in epidermal stem cell processes essential for wound healing but reports no new experimental results, emphasizing their potential interdependent regulatory mechanisms.

This review discusses current strategies and materials in tissue engineering for skin regeneration, emphasizing design approaches and suggesting directions for future research; it reports no new clinical findings.

This article discusses the concept of hair cloning through cultured follicular cell implantation but provides no new experimental results; it highlights ongoing interest among hair restoration professionals and the public.

This study observed that inducible deletion of the Ugcg gene in mouse epidermis led to a significant reduction in GlcCers and epidermal POS-Cers, causing impaired skin barrier function and delayed wound healing.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This study suggests that Lrig1-positive cells form a previously unknown reservoir of interfollicular epidermal stem cells in adult mouse skin, influencing epidermal proliferation and hair follicle development.

This study identified TGF-β2 as a crucial signal in hair follicle stem cell regeneration, highlighting its role in counteracting BMP signaling to promote tissue regeneration.

This study found that adult mouse dermis can be reprogrammed by epidermal cues to resemble neonatal dermis, with changes in fibroblast proliferation and extracellular matrix composition.

This article reviews key questions in skin biology, particularly the mechanisms of hair follicle patterning and the role of stem cells in the epidermis, reporting no new results.

This review discusses the role of activin signaling in hair follicle formation, hair growth cycling, and skin healing, but presents no new clinical findings.

In this study, researchers detailed how hair follicles regenerate after microsurgical amputation, observing a wound reaction involving dynamic dermal-epidermal interactions and changes in extracellular matrix components.

This study found that estrogen affected cell behaviors differently in a scratch-wound assay, increasing VEGF secretion in follicular dermal papilla cells but decreasing it in wounded dermal sheath cells.

This review discusses the role of the CXXC5 protein as a transcription factor and signaling coordinator, noting its involvement in embryonic development, tissue homeostasis, and diseases such as tumorigenesis, but reports no new experimental findings.

This study found that early passage dermal papilla cell-derived extracellular vesicles, combined with specialized medium, helped adipose-derived stem cells develop dermal papilla-like properties.

This study observed that reduced activation of SMAD2/3 proteins in cutaneous squamous cell carcinoma tissue compared to adjacent tissue may indicate a tumor suppressor role in disease progression.

This study found that cubosomes combined with dissolving microneedles enhanced transdermal penetration and hair growth efficacy of beta-sitosterol for treating alopecia.

This study reported that supplementing rat hair follicle stem cells with chick embryo extract enhanced their migration and proliferation, possibly promoting differentiation toward Schwann cells.

This study used a probabilistic Boolean network model to explore hair follicle cell fate regulation and predicted that varying TGF-β levels, in coordination with BMP and TNF, can influence either apoptosis or cell proliferation during different follicle growth stages.

This study found that overexpression of ovine β-catenin in transgenic mice increased hair follicle density by promoting the transition from catagen to anagen.

In this study, miR-221 was identified as a key factor in androgenetic alopecia pathogenesis due to its role in suppressing hair growth by interacting with androgen receptors and affecting related pathways.

This case study describes a rare cutaneous follicular hybrid cyst intimately associated with syringocystadenoma papilliferum, proposing a potential relationship with the infrainfundibulum based on keratin expression.

This study found that manipulating Wnt/β-catenin signaling in embryonic mammary glands impacted their development, with high activity levels hindering branching and potentially redirecting cells toward hair follicle identity instead of mammary tissue.

In this study, researchers observed that the skin quality and hair follicle development of Rex rabbits improved when slaughtered in winter compared to summer, with findings suggesting seasonal regulation via multiple signaling pathways affecting fur characteristics.

This study concluded that overexpressing TERT and BMI1 in cultured human dermal papilla cells extended their lifespan and enhanced their ability to induce hair growth in mice.

This article proposes a hypothesis that KRT75, a protein found in hair follicles, was evolutionarily co-opted by ameloblasts during the development of prismatic enamel in synapsids, but reports no new results.

This study found that Gnαs and Gnα11 proteins were significantly more expressed in the skin of black sheep compared to white sheep, suggesting their role in coat color regulation.

This study observed that a novel extracellular matrix hydrogel made from human fibroblast-derived matrix improved wound healing in animal models, showing significant effects such as hair follicle formation, reduced inflammation, enhanced pro-healing growth factor levels, and interaction with macrophages, compared to traditional collagen hydrogels.

This study introduces the term "hair matrix cyst" for a cyst with both pilomatricoma and epidermal cyst characteristics, highlighting its potential for misdiagnosis among similar skin conditions.

This review investigates how various intrinsic factors—such as growth factors, cytokines, chemokines, and interferons—regulate hair growth through evidence gathered from in vitro and in vivo studies, highlighting the need for further research in human subjects to validate these findings.

TGF-β signaling is essential for new hair growth after wounds.