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This review discusses the formation and maintenance of hair follicles through dynamic cellular changes and signaling pathways, presenting a comprehensive overview but providing no new experimental findings.

This study found that differentiated cells of the corneal epithelium can be converted to hair and interfollicular epidermis through a multistep process involving dermal developmental signals.

This study reports that the maintenance and morphogenesis of skin appendages rely on both the dose and duration of ectodysplasin signaling.

In this mouse model study, researchers found that deleting the ASH2L gene in epidermal progenitor cells led to thinner epidermal layers, delayed hair follicle development, and reduced epidermal stem cell pools, with alterations in genes related to hair follicle development and the Notch signaling pathway.

This study found that zebrafish and sticklebacks, despite differences in their tooth regeneration structures, share a similar genetic program during tooth regeneration, suggesting a conserved "successional dental epithelium" in vertebrates.

This review highlights exosomes as a promising treatment for skin damage from UV light, infrared radiation, burns, and disorders due to their anti-inflammatory properties, ability to induce macrophage polarization, and acceleration of skin repair and regeneration.

This review examines the regeneration capabilities of skin, oesophagus, and oral mucosa, highlighting the oral mucosa's unique scarless healing properties and the potential of cell therapy to improve scar reduction in wound healing.

This study found that expanding hair follicle keratinocytes with a fibroblast feeder followed by short-term coculture with dermal papilla cells could restore their ability to form new hair follicles.

This review discusses recent advancements and ongoing challenges in engineering human skin with appendages using scaffold-free and scaffold-based bioengineering approaches, but it reports no new clinical results.

This perspective suggests that browning agents may not directly enhance UCP1 expression in white adipose tissue but instead induce browning through increased heat loss, prompting thermogenesis to compensate.

This review discusses the advancements in biologic skin substitutes for wound treatment and their potential in enhancing cutaneous regeneration but reports no new clinical results.

This review discusses the current state of research on skin organoids, highlighting their potential for replicating complex skin structures and comparing recent studies on stem cell microenvironments.

This review discusses human hair follicle development and highlights the potential of creating human in vitro models and skin substitutes with hair follicles, reporting no new clinical results.

This study found that TAp63 and ΔNp63 isoforms in the p63 family interact with different transcription factors to regulate distinct transcriptional programs, affecting various biological functions like metabolic pathways, oxidative stress response, and epithelial morphogenesis in mouse epidermal cells.

This paper reviews the molecular mechanisms involved in hair follicle development, highlighting their potential impact on human health and well-being, and discusses advancements in treating hair loss, enhancing wound healing, and developing cosmetic treatments.

This review explores regenerative treatment options for non-scarring alopecia, with a focus on the potential of mesenchymal stem cells for hair regrowth, but it reports no new clinical results.

This review highlights that skin organoids, advanced three-dimensional models mimicking human skin, are emerging as effective alternatives to traditional culture models and human skin, overcoming limitations of two-dimensional systems and ethical concerns, and are being increasingly used in areas like developmental biology and disease modeling.

This review highlights the critical role of TGF-β and FGF signaling pathways in the development and regeneration of skin layers, particularly the dermis, and discusses their significance in advancing future clinical applications in dermatology.

This review discusses the role of TGM3 in skin and hair follicle biology, human tumor pathology, and genetic abnormalities, and reports no novel results; the authors highlight its potential as a cancer diagnostic biomarker.

This review discusses historical and recent advances in understanding the embryonic organizer's role in patterning during development, including molecular pathways and future research challenges, but reports no new experimental data.

This review outlines how peptidyl arginine deiminases (PADIs) and protein citrullination are involved in hair follicle regeneration and inflammatory alopecia, but presents no new clinical findings.

In this viewpoint, researchers discussed the possible role of the developmental origin of scalp dermis in influencing the specific pattern of hair follicle miniaturization seen in male pattern hair loss, noting that frontal follicles are more susceptible while occipital follicles remain largely terminal.

This report discusses the Ninth World Congress for Hair Research and highlights the potential of hair follicle studies to advance understanding of various diseases, with no new clinical results presented.

This study suggests that phenotypic plasticity, including processes like dedifferentiation and transdifferentiation, plays a crucial role in cancer initiation, progression, and therapy resistance, broadening our understanding of cancer dynamics and potential treatment strategies.

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

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, researchers propose that different vertebrate skin appendages, such as hair, feathers, and scales, evolved in parallel from a shared ancestral cell structure associated with teeth, dating back approximately 420 million years ago.

This study suggests that the GDNF signaling pathway may enhance skin regeneration, as observed in axolotls and Spiny mice, indicating potential for similar processes in humans.

This study observed that the loss of H3K9me3, via the ablation of Suv39h1, Suv39h2, and Setdb1 in embryonic mouse epidermis, disrupts skin development processes such as keratinocyte differentiation and hair follicle formation, highlighting H3K9me3's crucial role in epidermal morphogenesis.

This review highlights the multifaceted roles of hair follicles in skin health, emphasizing their contribution to skin tumorigenesis, homeostasis, and wound healing, and how dysregulation in associated pathways like Wnt, Hedgehog, and Notch may contribute to skin cancer development.