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This study reports that Wise is expressed in specific patterns during the morphogenesis of chick embryos, particularly in regions associated with known signaling molecules like Wnt, Bmp, and Shh.

This study summarizes the signaling molecules and extracellular components involved in epithelial–mesenchymal interactions, enhancing our understanding of hair follicle regeneration and skin wound healing, but reports no new experimental results.

This review discusses the use of the feather model to explore tumorigenesis, regeneration, and hormone-dependent growth, highlighting its potential for advancing biomedical research, but reports no novel experimental results.

This study reports differential gene expression in the leading edge and inner surface epithelial cells of murine eyelids, suggesting that distinct signaling pathways are active during embryonic eyelid closure.

This article reviews the use of high-frequency ultrasonography to visualize nail units and scalps in dermatology, highlighting its potential benefits for disease assessment and treatment monitoring, but reports no new clinical 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 review discusses molecular signaling pathways and nutritional factors influencing feather growth and regeneration in poultry and offers no new results; the authors suggest these insights may guide strategies for producing superior plumage.

This study observed that gene expression differences in Rex rabbits with varying wool densities suggest the involvement of specific genes and signaling pathways, including Shh and Eph, in hair follicle development.

This review discusses the cyclical phases of hair follicle transformation and the various factors that regulate hair growth, reporting no new clinical results.

NFATc1 is crucial for keeping hair follicle stem cells inactive.

This review discusses pre-clinical research on ultrasound-mediated sonoporation for tissue regeneration and reports no clinical results; the authors suggest the method is safe and highlight challenges to clinical translation.

In this study, fingertip regeneration in mice was associated with specific signaling pathways involving hair follicles and hedgehog signaling, with potential implications for improving human hand injury treatments.

This study demonstrated that keratin extract can stimulate hair growth by inducing the anagen phase in telogenic mice.

This study concluded that the Box-Behnken experimental design effectively optimizes the size of finasteride nano-emulsions by assessing the impact of various experimental factors.

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 study suggests that phytochemicals from natural sources could be safer alternatives to conventional treatments for hair loss, as they may activate key pathways involved in hair growth.

This study investigated the use of 3D cell culture technology to explore hair follicle regeneration, examining the impact of the 3D cellular environment on hair follicle morphogenesis and the effects of microwell depth on spheroid formation.

This study found that FPR2 knockout mice experienced excessive hair loss and abnormal hair follicle structures, suggesting FPR2's protective role in hair regeneration through stem cell activity regulation.

This chapter discusses stem cell activity in feather and hair follicles, emphasizing how stem cells maintain their population by cycling between quiescence and activation in specialized niches but reports no new results.

This article reviews a variety of research presentations from the Society for Investigative Dermatology's annual meeting, highlighting advances in dermatological research without reporting new clinical results.

This narrative review discusses models for studying malignant melanoma, basal cell carcinoma, and squamous cell carcinoma, reporting no new experimental findings.

Using truncal anesthesia on the supraorbital nerve reduces pain in hair loss treatments and improves patient comfort.

In this study conducted on mouse fetuses, valproic acid was found to reduce Sonic Hedgehog expression in the skin and hair follicles, but the inclusion of vitamin E helped mitigate this effect, supporting its potential role in managing valproic acid-induced changes.

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 review outlines recent advancements in understanding how micro-RNAs (miRNAs) influence hair regeneration, highlighting their role in stimulating hair growth and potential therapeutic approaches, while also addressing the challenges of clinical translation due to miRNAs' complex roles and delivery issues.

In this study, the authors explored the role of Lgr5+ hair follicle stem cells and their regulation through the Wnt/-catenin pathway, highlighting how precise modulation of this pathway is crucial for treating hair loss safely and effectively.

In this case study, a 14-year-old boy with treatment-resistant diffuse alopecia areata achieved complete hair regrowth following three monthly sessions of microneedling combined with injections of triamcinolone, dutasteride, and synthetic exosomes, suggesting that exosome-based therapy could be a promising alternative for managing refractory autoimmune alopecia.

This study found that treatment with human foreskin fibroblast conditioned medium improved both objective measures like hair density and subjective satisfaction in patients with androgenetic alopecia.

In this study, the researchers using Shh-GFP^+/- mice found that cyclophosphamide-induced alopecia involves the JAK/STAT1 pathway, where STAT1 binds the Shh gene promoter, decreasing Shh-expressing cells in hair follicles. Treatment with JAK inhibitors helped rescue hair loss, implicating the JAK/STAT1 pathway in this process.

This study found that overexpressing FGF22 in dermal papilla cells enhanced hair follicle stem cell proliferation and viability, while its knockout reduced these attributes, indicating its role in hair follicle regeneration.