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This study demonstrates that SDF-1/CXCL12 and CXCR4 signaling play a crucial role in directing the migration and positioning of melanoblasts in mouse hair follicle formation.

This study observed dynamic changes in CD10 and CD34 expression in fetal and adult human hair follicles during embryogenesis and hair cycling.

This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.

In this study, kartogenin promoted hair growth by enhancing cell proliferation and migration in vitro and extended hair length in mice, suggesting its potential as a treatment for hair loss.

In this study, carrot seed oil applied at a 75% concentration increased hair root, shaft, and tip thickness in rats, but did not promote hair length growth.

This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.

In a mouse model, this study found that intradermal keratin injection stimulated hair growth and suggested its potential use for treating hair loss by promoting hair regeneration.

In this study, the researchers observed that post-radiation hair follicle repair in 3D architecture occurs through independent, long-range cell movements along the basal surface, resembling 2D healing processes.

This study observed three hair follicle-like cells from cultured human foreskin keratinocytes, suggesting a potential basic framework for hair regeneration applications.

Activating cAMP and ATP improves hair growth and strength.

This study reported that a skin equivalent model using human outer root sheath cells and fibroblasts showed the formation of structures similar to human dermis and epidermis within two weeks after transplantation into mice.

This study found that the transcription factors Msx2 and Foxn1 are crucial for maintaining Notch1 expression in the hair follicle matrix, which is necessary for proper hair differentiation.

Wnt-10b helps skin cells develop into hair-related structures.

This study found that when human hair follicles were grafted onto mice, they progressed through dystrophic stages and returned to normal growth, with stem cells aiding in recovery.

This study found that Wnt/β‐catenin signaling influences the hair follicle regeneration process by prompting quiescent stem cells to enter the cell cycle and is necessary for maintaining the stem cell pool.

This article reviews the role of adult stem cells in tissue homeostasis and wound repair, focusing on their regulation within the murine hair follicle's specialized niche, but it presents no new findings.

This review discusses the history and challenges of hair follicle regeneration using follicular fragments and dissociated cells, without presenting new clinical results.

This study found that the trichogenicity of cultured human outer root sheath follicular keratinocytes decreased with longer cultivation periods and was significantly influenced by the expression of the transcription factor FOXA2.

This study found that electrospun membranes with aligned surface topography enhanced wound healing and hair follicle regeneration while modulating the immune response in a mouse skin wound model.

This study confirmed the localization of CK19 and vimentin in skin cells, with CK19 linked to hair growth and vimentin stabilizing fibroblast structure.

This study established a Krt24-CreERT2 mouse line targeting outer bulge hair follicle stem cells, finding these cells crucial for hair follicle development and repair, particularly following ionizing radiation exposure.

This study examined the formation of acquired curved hair and found that the fusion of hair matrix cells during follicle regeneration contributes to asymmetric follicle shapes and curved hair, potentially linked to changes in type IV collagen and protein expression levels.

This study observed that subcutaneously implanted mixtures of human hair follicle cells in nude mice resulted in the formation of hair follicle-like structures, suggesting potential for hair regeneration.

This study identified a novel microscopic "arrow sign" in hair root sheaths of patients on EGFR inhibitors, potentially aiding in diagnosing related hair changes and differentiating from fungal infections.

In this study, researchers observed significant morphological and histological differences in transplanted hair follicles compared to native donor follicles post-FUE hair transplantation for androgenetic alopecia, highlighting substantial variations in sebaceous gland and root sheath degeneration at the recipient site.

This case report describes a 29-year-old Japanese man with follicular mucinosis, suggesting nestin-positive, multipotent hair follicle stem cells may be involved in reticular epithelial degeneration of the outer root sheath.

This study developed a mathematical model to explore hair follicle regeneration mechanisms, showing that low spontaneous apoptosis rates help regenerate hair follicles after ionizing radiation, while high rates lead to degeneration during the catagen phase.

This case report suggests that in African-American patients, the histology of Central Centrifugal Cicatricial Alopecia may resemble lichen planopilaris, indicating a potential diagnostic challenge.

This study demonstrated that autologous mesenchymal stem cells from hair follicles, when combined with a novel gelatin-based hydrogel, showed promising osteogenic potential and could offer a non-invasive alternative for bone regeneration.

In this study, researchers found that proteins derived from stressed mesenchymal stem cells, stimulated using the root extract of Atalantia monophylla, successfully promoted hair growth and activated hair follicle stem cells in a mouse model of androgenetic alopecia through the Wnt and TGF-β pathways.