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This study found that cell-free fat extract (CEFFE) enhanced hair growth in mice with androgenetic alopecia by increasing hair follicle density and promoting proliferation while regulating the DHT/AR pathway.

In this study involving rat vibrissa follicles, U. japonica extract was found to enhance hair growth by increasing dermal papilla cell proliferation and accelerating the anagen phase but did not inhibit 5α-reductase activity, which is linked to androgenetic alopecia.

This study found that urotensin II promoted proliferation and VEGF secretion in rat dermal papilla cells by activating the Wnt-β-catenin signaling pathway, with the effect being reversible by a Wnt inhibitor.

This study found that lipids extracted from Schizochytrium sp. significantly enhanced the proliferation and survival of dermal papilla cells under oxidative stress, reduced reactive oxygen species, inhibited ferroptosis, and promoted antioxidant genes, which improved hair growth in experimental settings, suggesting a potential treatment for alopecia.

This study explored the molecular communication between hair matrix cells and dermal papilla cells in cashmere goats, revealing key ligand-receptor pairs and signaling pathways that facilitate intercellular crosstalk and potentially influence hair growth mechanisms.

This review discusses the hormonal impact on hair growth and the relationship between endocrine disorders and hair changes, reporting no new clinical results.

This study found significant differences in mRNA and miRNA expression between yak dermal papilla cells and epidermal hair matrix cells, suggesting important roles for these molecules in hair follicle development.

This study found that Cyclosporin A may prolong the anagen phase of hair growth in cultured dermal papilla cells by decreasing TGF-β2 expression, similar to its mechanism in immunosuppression.

This study observed that three-dimensional cultures of dermal papilla cells enhanced endothelial cell migration and angiogenesis in vitro, which may improve vascularization in tissue-engineered skin constructs.

Adipose-derived stem cells can be transformed into hair-forming cells using specific extracellular vesicles, offering potential for hair regeneration therapies.

This study found that adipose-derived stem cell exosomes increased dermal papilla cell proliferation and elevated proteins linked to hair follicle inducibility in vitro.

This study reported that a treatment serum containing ingredient blends with panthenol, licorice extract, and red clover extract significantly improved hair volume, scalp coverage, and reduced hair breakage over 6 months in individuals with thinning or damaged hair.

In this study, stress hormone CRF was found to inhibit hair growth, suggesting that the HPA axis is functional in human dermal papilla cells and contributes to hair loss under stress conditions.

This study found that ocu-miR-205 promotes the apoptosis of dermal papilla cells and the transformation of hair follicles from growth to regression and resting phases in Rex rabbits.

This study found that ocu-miR-205 influences hair follicle density in Rex rabbits by promoting dermal papilla cell apoptosis and transforming hair follicles from growth to resting phases through signaling pathway modulation.

This study found that ocu-miR-205 promotes changes in signaling pathways and shifts in hair follicle phases, affecting Rex rabbit hair density by increasing secondary follicles.

This study showed that the stress hormone CRF inhibits hair growth and induces hair loss by affecting both the proliferation of human dermal papilla cells and hair follicle function.

This study found that oral dutasteride increased hair density but not thickness in female-pattern hair loss patients, suggesting a potential mechanism involving β-catenin activity.

This study suggests that Tenebrio molitor larvae extract may promote hair growth and prevent hair loss by enhancing cell proliferation and protecting against cytotoxicity in laboratory settings.

This study explores the expression and function of 11β-HSD1 in human hair follicles and its potential regulation of glucocorticoid effects on dermal papilla cells, but reports no definitive findings on 11β-HSD1's role.

This study found that hyaluronic acid increased the size and cell proliferation of mixed aggregates in a 3D culture model, indicating its role in human hair follicle germ-like structure formation without enhancing dermal papilla cell markers.

This study found that fermented mackerel oil increased hair growth by promoting dermal papilla cell proliferation and cell cycle progression through wnt/β-catenin signaling activation in vibrissa follicles.

This study found that cultivating dermal papilla cells in spheroids or with valproic acid most effectively preserves their phenotype in vitro, compared to a monolayer culture with BMP6 and vitamin D3, which only produces a short-term effect.

This study found that lymphatic vessels promote hair follicle growth in mice, suggesting new therapeutic strategies for hair loss treatments.

This study found that dihydrotestosterone alters the balance of Wnt pathway regulators in dermal papilla cells, hindering hair follicle stem cell differentiation and contributing to hair follicle miniaturization.

This study suggests that Grateloupia elliptica extract may promote hair growth by activating wnt/β-catenin signaling and fostering dermal papilla cell proliferation.

This study found that gels containing glycyrrhizic acid and aqueous Glycyrrhiza glabra extract significantly reduced underarm hair growth in terms of area, thickness, length, and number compared to their gel bases.

This study found that Grateloupia elliptica extract may promote hair growth by activating wnt/b-catenin signaling and enhancing dermal papilla cell proliferation in rat and mouse models.

This study demonstrated that injecting reconstructed dermal papilla-like tissues in mice led to new hair growth, suggesting potential future applications in hair transplantation and baldness treatment.

Azathioprine may help with severe hair loss, a new topical treatment could counteract hair thinning, and trichoscopy can diagnose hair-pulling disorder effectively.