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This article reviews the potential of nanoparticles for drug delivery through the skin barrier and highlights the need for further research on solid nanoparticles, as they lack commercial development for this purpose.

This study found that dermal papilla and sheath cells can induce hair follicle formation in vitro and in vivo by interacting with hair follicle epithelial cells.

This study reported that canine dermal papilla cells showed a distinct growth pattern and strong collagen IV and laminin staining compared to dermal fibroblasts.

Skin cells can help create early hair-like structures in lab cultures.

This study found that polyomavirus large T-immortalized rat dermal papilla cells retain hair-inductive ability and provide a viable model for studying hair growth and cytokine expression.

This study found that keratin coatings from human hair may improve the colony-forming efficiency of human mesenchymal stem cells by moderating donor variability, suggesting a potential use in clinical applications.

This study found that adding Wnt-10b to the culture medium of dermal papilla cells maintained their ability to induce hair follicles over 100 days in vitro.

This study reports that versican expression plays a crucial role in maintaining the anagen phase and hair inductive properties, as shown in a transgenic mouse model and hair growth assays.

This study successfully established an immortalized human dermal papilla cell line that maintains characteristics of original cells without malignant transformation, potentially benefiting hair research.

This review examines the potential use and challenges of topical cannabinoids for skin diseases and hair growth, highlighting limited clinical data on their efficacy and safety.

This study concluded that the new subfractionation culturing method generates highly homogeneous adipose-derived stem cells with enhanced mitogenic, paracrine, and hair growth-promoting effects compared to traditional isolation methods.

In this study, researchers established five new immortalized human dermal papilla cell lines from a male with androgenetic alopecia, which may serve as valuable tools for hair research.

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 study found that conditioned media from dental pulp stem cells stimulated significantly faster hair growth in mice, suggesting potential as a treatment for alopecia.

This review discusses the current state and potential future of polymer-based microneedles for transdermal drug delivery, without reporting new empirical results; it highlights their applications and existing challenges.

This in vitro study found that opiate diffusion was more pronounced in damaged hair fibers than in undamaged ones, with high opiate concentrations detected in fiber centerpieces.

This study suggests that StemMACS MSC Expansion Media is more suitable than PowerStem MSC1 media for expanding therapeutic adipose-derived mesenchymal stem cells, with less expression of negative markers and better chromosomal stability.

This study observed that adipose-derived stem cells modified with trichogenic factors have similar properties to dermal papilla cells and show enhanced hair regeneration potential compared to unmodified adipose-derived stem cells.

This study found that the patch assay effectively reconstituted mature hair follicles using culture-expanded human fetal cells and may serve as a method to assess cell trichogenicity.

This review discusses transdermal drug delivery using hydrogel-forming microneedles and highlights their potential and challenges for clinical application, but it reports no new clinical findings.

This article discusses the roles of dermal papilla and sheath cells in hair follicle formation and regeneration but reports no new clinical findings, emphasizing the need for further research on these fibroblasts.

This study found that ovine dermal papilla cells exhibit robust aggregation in culture, offering a model to investigate the regulation of hair follicle dermal papilla size.

This article reviews the management of excessive pre-ejaculate, highlighting case reports where 5-α-reductase inhibitors, such as finasteride and dutasteride, led to symptom resolution in patients reporting distress due to this condition.

This study reported that reprogramming keratinocytes from plucked hair provides an easy, non-invasive, and efficient method for generating pluripotent iPSCs without the need for medical professionals or operating rooms.

This study found that biglycan, a protein secreted by dermal papilla cells, plays a critical role in hair follicle cycle regulation and regeneration in mice by activating the Wnt/β-catenin signalling pathway, suggesting its potential as a treatment target for hair loss.

This study reviewed the pharmacological properties of fesoterodine and found that its ability to effectively treat overactive bladder, especially in the elderly, is likely due to its specific properties, including its receptor affinity, blood-brain barrier penetration, metabolic conversion, and extended-release formulation.

This review highlights recent advances in hair follicle research, noting that new 3D culture techniques have enabled formation of HF-like structures in vitro, offering potential benefits for alopecia and burn patients, but it reports no new clinical results.

This study demonstrated that the large molecule versican plays a critical role in hair induction in dermal papilla cells, with potential implications for developing new hair growth treatments.

This study reports the creation of a human dermal mesenchymal-like stem cell line from an androgenetic alopecia patient, which may serve as an in vitro model to explore alopecia mechanisms.

A man with both skin lesions and lung cancer improved quickly with chemotherapy, suggesting the skin condition might be a reaction to immune system injury.