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This review found that exosome use in aesthetic plastic surgery shows promise in areas like skin rejuvenation and hair restoration, with laboratory studies indicating enhanced outcomes, but clinical evidence remains largely anecdotal, and no exosome-based products have FDA approval.

This review discusses the development and types of hair and nails as skin appendages and reports no new research findings.

This review discusses the role of the Wnt/β-catenin pathway in hair follicle development and how natural products that activate this signaling could be used to treat hair loss, but it reports no new experimental results.

This study found that exosomes derived from dermal papilla cells can enhance the proliferation of hair follicle stem cells by stimulating the LEF1 pathway, offering insights into hair follicle growth regulation.

This study explored the genetic regulation of goose feather follicle development, identifying miR-200a as a key regulator that inhibits GEDF proliferation through the Wnt pathway, potentially impacting goose down quality and supporting selective breeding strategies.

Inhibiting Bmp signaling disrupts hair growth and differentiation.

GLI2 activates GLI1, promoting skin tumor growth and hair development.

This study found that deleting the miRNA processing enzymes Drosha and Dicer from mouse skin epithelial cells disrupted normal hair follicle development and maintenance, leading to follicular degradation and stem cell loss during the growth phase.

This study found that Krtap11-1 may play an important role in keratin-bundle assembly in the hair cortex, influencing the physical properties of hair.

This study identified key long non-coding RNAs and mRNAs involved in primary wool follicle induction in carpet wool sheep, emphasizing their roles in hair follicle development and skin processes.

This study describes a mouse model for Marie Unna Hereditary Hypotrichosis, identifying mutations in the hairless gene that result in sparse or absent hair and cyst-like hair follicles.

This study suggests that MMP-9 plays a significant role in extracellular matrix remodeling during hair canal formation in mice, as indicated by delayed hair shaft emergence and hair canal development in MMP-9 knockout mice.

This study found that thymosin beta-4 overexpression in mice increased hair growth speed and density, likely by regulating P38/ERK/AKT signaling through VEGF expression.

This study identified genetic loci and pathways associated with long hair growth in the Tianzhu white yak, providing new insights into the genetic mechanisms of this trait.

This study examined genetic adaptations in Tibetan sheep through whole-genome resequencing, identifying key genes related to hypoxia tolerance, wool color, and body size. These findings provide a foundation for future molecular breeding strategies to enhance wool quality and adaptive traits in these high-altitude environments.

This study found no significant difference in CUX1 core promoter methylation levels between different lambskin patterns in Hu sheep, suggesting other mechanisms influence CUX1 expression related to hair follicle development.

This study identified differentially expressed microRNAs between back and belly skin in Rex rabbits, highlighting their potential roles in skin development processes.

The researchers presented a case study on Exo.Reset®, a cosmetic formulation using extracellular vesicle technology, demonstrating systematic application of recognized standards to ensure scientific rigor and regulatory compliance in skin rejuvenation product development, providing a practical model for EV-based cosmetic innovations.

This study found that overexpression and knockdown of DKK4 influence genes involved in hair follicle growth and development in Angora rabbits and identified specific SNPs in DKK4 associated with wool quality, notably showing that the TT/GG haplotype combination relates to higher fibre diameters.

This study reports that PADI4, an enzyme involved in posttranslational protein modifications, regulates progenitor cell transitions in hair follicle development by repressing transcription and interacting with translational and ribosomal processes.

In this study, researchers found that Fgf21 knockout mice exhibited delayed hair follicle cycling compared to wild-type mice, potentially due to altered miRNA interactions affecting Vezf1 and Map3k1 expression, providing insights into the molecular regulation of hair growth.

This study used single-cell RNA sequencing to analyze 26,573 cells from the scapular skin of yaks, identifying 11 major cell types and providing insights into the diversity and morphogenesis of hair follicle cell types through detailed maps of DP cells and dermal fibroblasts.

This abstract omits specific findings and does not provide new research results.

This article discusses the development of the regenerative medicine field based on stem cells' capacity for in vitro differentiation, rather than actual organ or tissue regeneration.

This article reviews advances in feather development and regeneration, including pattern formation, stem cell biology, and evolution, but presents no new experimental results.

This review discusses mesenchymal–epithelial interactions in hair follicle development and cycling, highlighting recent insights without reporting new experimental results.

This review discusses the shared molecular and cellular processes in the early development stages of skin appendages like hair follicles, teeth, and mammary glands, reporting no new results.

This review discusses the development and selectivity of 5 alpha-reductase inhibitors, particularly non-steroidal ones, and reports no new clinical trial results.

This review highlights similarities in the development of thymus and skin epidermis, reporting no new results; the authors emphasize shared molecular mechanisms despite different embryonic origins.

This study reports that immunologically inert and skewed immune cell populations in developing human skin may contribute to wound healing and structural changes during skin development.