A Novel Cell-Free Regenerative Therapy for Hair Loss: Human Fetal Cartilage Progenitor Cell Secretome

This review discusses the role of dermal papilla cells in hair follicle formation and their potential use in cell therapy for hair loss, but reports no new research findings.

This study reviews the regulatory mechanisms and molecular processes governing stem cell activity in hair follicles, highlighting their roles in hair regeneration and potential implications for treating hair and skin disorders.

This study found that low molecular weight collagen peptide from fish may promote hair growth in both human cells and mice by activating the Wnt/β-catenin signaling pathway.

This study found a high discontinuation rate of topical minoxidil among patients with androgenetic alopecia, largely influenced by short treatment duration, lack of efficacy, and adverse effects.

This study found that organoid cultures of human epithelial and mesenchymal cells can produce hair peg-like structures, and their growth is enhanced by minoxidil, suggesting potential for hair drug screening.

This study found that using a microwell array device to expand hair follicle stem cells in Matrigel significantly increased cell numbers and enhanced hair regeneration in mice.

This study reviewed recent developments in cell therapy for hair loss, finding adipose-derived stem cells and dermal sheath cup cells as promising alternatives to conventional treatments, albeit with varying effectiveness and challenges in trichogenecity and hair growth outcomes.

This study developed a biomimetic 3-D co-culture system that enhances the hair-inductive properties of human dermal papilla cell aggregates, potentially improving hair follicle tissue engineering.

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 review highlights various treatment options for androgenetic alopecia, with a special focus on hair transplantation methods, discussing their benefits, drawbacks, and limitations as drawn from literature published from 1990 to the present.

This study found that KY19382 can effectively promote hair regeneration and follicle neogenesis in mice and human hair models by activating Wnt/β-catenin signalling, suggesting potential use for alopecia treatment.

Non-thermal plasma helps hair grow by improving the area around hair follicles.

This study found that the PI3K-Akt signaling pathway is essential for regenerating new hair follicles when epidermal stem cells and skin-derived precursors are combined, suggesting potential therapeutic applications for hair regeneration.

This study explored the complex roles of niche cells in regulating hair follicle stem cells, identifying specific cell functions such as signaling, sensing, and relaying messages, which could provide insights into treating hair loss conditions like androgenetic alopecia and alopecia areata.

This study developed a method for generating germ-like tissues called bbHFGs, which efficiently promoted hair follicle formation in mice, potentially advancing hair regenerative medicine applications.

This study found that a cocktail of three proteins from embryonic skin can enable adult fibroblasts to regenerate hair follicles by altering gene expression and activating regenerative signaling pathways.

This study found that red ginseng oil and its major components improved hair regrowth in testosterone-treated mice by promoting an earlier anagen phase and altering related gene expressions.

This review analyzes therapies used for androgenic alopecia, highlighting potential advances from stem cell technologies and regenerative medicine, and reports no new clinical results.

This study suggests that stress-induced premature senescence of dermal papilla cells may contribute to hair follicle aging by impairing critical epithelial-mesenchymal interactions and promoting inflammatory cytokine production.

This study found that while extracellular matrix components like hyaluronic acid promoted larger organoid formation, other matrix components hindered hair follicle germ assembly in an in vitro model.

In this study, petroleum ether extracts of Phyllanthus niruri promoted hair regrowth in testosterone-induced alopecia in rats by inhibiting the 5α-reductase enzyme.

This article reviews current research on animal models for hair regrowth treatments and reports no new findings; it highlights the need for studies comparing therapy efficiency and long-term safety.

This study found that human mesenchymal stromal cells derived from hair follicle dermal sheath showed promising growth and wound-healing properties in vitro and in diabetic mice, suggesting potential for therapeutic use.

This study found that overexpression of Wnt1a in bone marrow mesenchymal stem cells enhanced mouse hair follicle regeneration and promoted hair cycling.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

This research reviews the roles of dermal papilla signaling in hair follicle development and suggests new genetic tools could advance bioengineering therapies for alopecia, but it reports no new results.

This study found that both human and rat dermal papilla spheroids can induce hair follicle neogenesis, but larger spheroids increase inductivity without significantly affecting hair fiber diameter.

This article reviews the molecular mechanisms involved in androgenetic alopecia and the androgen's paradoxical role in hair growth, but reports no new experimental findings.

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

This study found that in mice, inactivating beta-catenin in the dermal papilla reduces hair follicle progenitor proliferation and disrupts the hair cycle.

This review discusses the role of dermal cells in hair follicle regeneration and morphogenesis and highlights their potential therapeutic implications, but it reports no new empirical findings.

In this study, co-grafting human keratinocytes with murine dermal papilla-enriched cells produced hair follicle-like structures, but without regular hair formation, suggesting anomalous folliculogenesis.

This review discusses the role of growth factors and cytokines in hair follicle development and cycling, but reports no new clinical findings on treatments for hair growth disorders.