114 citations
,
October 1996 in “Dermatologic clinics” This chapter reviews laboratory models used for studying alopecia therapies but provides no new experimental findings.
113 citations
,
November 2017 in “Scientific Reports” This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.
106 citations
,
April 1986 in “British Journal of Dermatology” This study found that dermal papilla cells from human hair follicles form multi-layered aggregates when cultured in vitro, contrasting with the monolayer growth of dermal fibroblasts.
102 citations
,
August 2008 in “Genes & Development” This study found that laminin-511 is crucial for hair morphogenesis in mice, as it influences primary cilia formation and dermal papilla maintenance through noggin and sonic hedgehog signaling.
100 citations
,
August 2008 in “American Journal Of Pathology” This study found that epidermal VEGF is crucial for maintaining skin barrier function in mice and may help explain psoriasis development following skin trauma due to its effects on angiogenesis and hyperplasia.
96 citations
,
December 2018 in “Immunity” This study found that inhibiting TGF-β receptors in adult dermal fibroblasts restored their function and increased resistance to Staphylococcus aureus infection by enhancing their adipogenic and antimicrobial capabilities.
95 citations
,
January 2012 in “British Journal of Dermatology” This study found that androgens inhibit hair follicle stem cell differentiation by disrupting the Wnt signalling pathway in dermal papilla cells, but Wnt activation can restore differentiation.
93 citations
,
February 2015 in “Journal of Investigative Dermatology” This study suggests that oxidative stress may contribute to androgenetic alopecia by inducing premature senescence and secretion of hair growth inhibitors in dermal papilla cells from balding scalp.
92 citations
,
September 2015 in “Journal of Lipid Research” This review discusses the roles of dermal white adipose tissue (dWAT) as an insulator, antibiotic, and regenerative tissue, highlighting its importance in systemic metabolism and immune function, but reports no new clinical results.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
90 citations
,
August 2004 in “Physiological Genomics” This study found that coculturing human hair follicle keratinocyte stem cells with dermal papilla cells increased expression of the hair-specific keratin 6hf gene, which requires β-catenin/lef-1 signaling for hair differentiation.
87 citations
,
April 2018 in “Biochemical and Biophysical Research Communications” In this study, dermal papilla cell-derived exosomes accelerated hair follicle growth in mice, suggesting potential for treating hair loss by modulating key signaling pathways.
87 citations
,
September 2016 in “Journal of Controlled Release” Nanoparticles can improve drug delivery to hair follicles but struggle to penetrate deeper skin layers.
87 citations
,
January 2016 in “Development” This study suggests that the postnatal loss of hair follicle formation in wounds may be due to elevated Wnt/β-catenin activation in the dermis, affecting fibroblast function in mice.
85 citations
,
June 2017 in “Journal of Investigative Dermatology” 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.
85 citations
,
April 2012 in “PLOS ONE” This study found that valproic acid promoted hair re-growth in C3H mice by activating the Wnt/β-catenin pathway, suggesting its potential as a treatment for alopecia.
85 citations
,
January 2007 in “Journal of Drug Targeting” This study found that liposomal formulations improved minoxidil delivery to skin layers compared to niosomes and a control solution, suggesting enhanced potential for topical hair loss treatment.
83 citations
,
December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
81 citations
,
September 2013 in “PLoS ONE” This study identified gene expression differences between dermal papilla cells from primary and secondary hair follicles in Cashmere goats, highlighting their roles in hair follicle morphogenesis.
80 citations
,
June 2008 in “Biomaterials” This study found that poly(ethylene-co-vinyl alcohol) membranes support the self-assembly of dermal papilla cells into compact spheroidal microtissues capable of inducing new hair follicles, suggesting potential for large-scale production for hair follicle regeneration.
78 citations
,
October 2012 in “Biomaterials” 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.
78 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TGF-β1 from dermal papilla cells suppresses hair growth, and targeting it may help treat androgenetic alopecia.
75 citations
,
October 2016 in “Genes & Development” This study found that Sonic Hedgehog secreted by hair follicle transit-amplifying cells is essential for dermal adipogenesis and hair follicle growth by acting on adipocyte precursors.
75 citations
,
August 2011 in “Journal of Investigative Dermatology” This study found that cultured human dermal papilla cells formed into three-dimensional spheres have an increased ability to induce hair follicles from mouse epidermal cells compared to two-dimensional cultures.
71 citations
,
January 2019 in “International journal of biological sciences” This study proposes the miR-22-5p-LEF1 axis as a novel pathway that may regulate hair follicle stem cell proliferation.
70 citations
,
January 2009 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study explored the interaction between androgen and Wnt signaling in dermal papilla cells, targeting the effects of androgen on hair growth reduction.
68 citations
,
May 2018 in “PLOS Biology” This study demonstrates that inhibiting SFRP1 with the antagonist WAY-316606 enhances hair growth in human scalp hair follicles ex vivo by facilitating Wnt signalling.
68 citations
,
August 2014 in “Stem Cells Translational Medicine” This study found that composite skin constructs containing dermal papilla cells promoted better skin healing and hair regeneration in nude mice, highlighting their role in tissue-engineered skin for severe injuries.
68 citations
,
December 2011 in “Journal of Investigative Dermatology” This study reported that a three-dimensional hydrogel culture system supports the growth and maintenance of distinct dermal papilla cell types, crucial for skin reconstitution assays in neonatal mice.
66 citations
,
February 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” The researchers reported that adenosine increases FGF-7 expression in dermal papilla cells, which may stimulate hair growth via the A2b adenosine receptor and cAMP pathway.