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This study found that dermal EZH2 plays a crucial role in controlling fibroblast differentiation by regulating Wnt/β-catenin and retinoic acid signaling during skin development.

This review discusses the role of dermal papilla cells in hair follicle morphogenesis and regeneration and reports no new results; the authors emphasize the importance of these cells in hair growth and pigmentation regulation.

This study suggests that the expression of the DP2 receptor is higher in balding scalp cells and that its knockdown could inhibit the transition to the catagen phase in cultured human hair follicles, potentially counteracting hair growth inhibition associated with male pattern baldness.

This review discusses the regenerative potential of hair follicle stem cell populations and current approaches to reconstructing folliculogenesis for alopecia therapy, but reports no new clinical results.

In this study, researchers found that Hdac1 and Hdac2 are crucial for maintaining the quiescence and survival of dermal papilla cells in the hair follicle, regulating the hair cycle by controlling cell-cycle genes and Wnt signaling.

This chapter reviews signaling pathways related to androgenic alopecia in dermal papilla cells of balding human scalps, integrating published information and analysis of molecular interactions, without reporting new clinical results.

In this study, researchers found that the synthetic stress hormone dexamethasone caused opposite effects on hair growth-related proteins, reducing SFRP2 and increasing SFRP3, which respectively stimulate and inhibit hair follicle cell proliferation in human dermal papilla cells.

Finasteride forms three new products under acidic stress.

In this study using a mouse model and human hair follicle cells, shikimic acid was found to promote hair growth and may serve as a new therapeutic agent for alopecia.

This review discusses the emerging roles of transit-amplifying cells in tissue regeneration and cancer formation, highlighting their significance beyond a mere transitional state in hair follicles and the hematopoietic system.

This review discusses the role of the immune niche in hair follicle regeneration and its impact on different forms of alopecia, highlighting research gaps and potential therapeutic strategies.

This study analyzed skin specimens from Australian Merino ewes to estimate hair follicle properties across different strains, providing baseline data essential for future genetic studies on fleece structure, but reported no new conclusions.

This study found that macrophage-engineered extracellular vesicle mimetics may promote hair regrowth, presenting a potential alternative to extracellular vesicles for overcoming clinical production challenges.

This study found that exposing dermal papilla cells to sub-lethal doses of colchicine releases histone H4, which inhibits cell growth and decreases alkaline phosphatase activity, potentially explaining colchicine-induced hair loss.

This study identifies a specific cell population, PDGFRα+/Sca1+/CD34+ mesenchymal cells, which play a crucial role in regenerating hair follicles by promoting the downgrowth phase of the hair cycle, offering insights into organ morphogenesis and stem cell niches essential for adult hair regeneration.

This review explores the potential of exosomes, which contain substances that may stimulate hair follicle activity, as a new therapeutic strategy for alopecia, and discusses their possible benefits and risks based on current knowledge of microRNAs and intracellular signaling in hair follicle morphogenesis.

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, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.

This study found that Blimp1 plays a key role in promoting hair follicle morphogenesis and growth by mediating inductive signaling pathways in dermal papilla cells.

This study found that fibronectin nanofiber dressings, made using rotary jet spinning, accelerated wound healing and improved tissue restoration in a full-thickness wound mouse model.

This study found that ectodermal precursor cells derived from human induced pluripotent stem cells may enhance hair follicle morphogenesis through improved epithelial-mesenchymal interactions when cocultured with dermal cells.

This study found that 5% activated platelet-rich plasma significantly improved cell proliferation and hair-inductive ability of dermal papilla cells in vitro, and promoted hair follicle formation in mice.

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

This study found that non-thermal atmospheric pressure plasma may stimulate hair growth through activation of the Wnt/β-catenin signaling pathway, suggesting it could be a potential non-pharmacological treatment for alopecia.

This study found that large excisional wounds in rats across seven strains do not regenerate new hair follicles, unlike in mice, possibly due to differences in epidermal competence and transcriptional profiles.

This study found that erythrocytes can be generated from human hair follicle mesenchymal stem cells with OCT4 expression, potentially serving as an alternative source for transfusions.

In this study, researchers developed a method using scalp cyanoacrylate biopsy and advanced imaging techniques to effectively measure and visualize the distribution of anti-dandruff shampoo ingredients zinc pyrithione and climbazole within the scalp follicular infundibulum.

This study observed that Hedgehog signaling in reticular and papillary fibroblast lineages plays different roles in wound repair and de novo hair follicle formation.

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 stress-associated hair loss may be linked to increased androgen receptor expression and activity in non-balding hair follicles due to dexamethasone treatment.