This study observed that incorporating human follicledermalpapilla cells into fibrin microgels increased cell viability and the formation of hairfollicle structures in in vitro skin cultures compared to traditional dermalpapillaspheroids, suggesting a promising approach for hairfollicle regeneration therapies.
January 2022 in “Stem cell biology and regenerative medicine”
This review discusses advances in using tissue engineering to improve the inductivity of dermalpapilla cells for hairfollicle restoration and reports no new clinical results.
April 2026 in “Biomedical and Biotechnology Research Journal (BBRJ)”
In this study, researchers observed that using microtube-based forced aggregation, human hairfollicledermalpapilla cells formed stable, compact spheroids at higher cell densities, showing enhanced expression of specific markers compared to 2D culture.
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June 2018 in “Journal of Cellular Physiology”
This study found that using 3D dermalpapillaspheroid models enhances extracellular matrix production and hairfollicle marker expression, providing insights into hairfollicle biology and potential for drug screening.
DHT affects hairfollicles, contributing to hair loss, but the exact mechanism is unclear. Treatments like finasteride and minoxidil are used to manage hair loss, though they may have side effects and varying effectiveness.
Deoxyribose sugar gel may stimulate hair regrowth similarly to minoxidil by enhancing blood supply and follicle activity. Human trials are necessary, and current products have mixed results.
DHT may inhibit hair growth by affecting mitochondrial function, leading to hairfollicle miniaturization. Treatments like minoxidil and PP405 may promote hair growth by altering metabolic pathways, potentially counteracting DHT's effects.
Hair loss is influenced by genetics and sensitivity to hormones like DHT. Treatments like Minoxidil and finasteride are commonly used, and baldness persists as it doesn't affect reproductive success.
Hair loss is linked to DHT, with treatments like finasteride and minoxidil being common but not definitive. Economic interests influence research, and there is potential for new treatments like PP405 and RU58841.
How does SCUBE3 work on hairfollicles compared to treatments like minoxidil or finasteride?Laboratory research in mice reports that SCUBE3, a protein released by dermal papilla cells, signals dormant follicles to grow through the TGF-β pathway downstream of Hedgehog; minoxidil and finasteride instead work on blood flow to the follicle and on DHT, and unlike SCUBE3 they have decades of human trial data behind them. SCUBE3 has not been tested in human clinical trials and is not available as a medicine.
What is platelet-derived growth factor beta polypeptide (PDGF-BB), and does it stimulate new hair growth?PDGF-BB is a growth factor that signals to dermal papilla cells and promotes blood-vessel formation; mouse studies report it can push follicles into the growth phase, and human evidence comes only indirectly from PRP trials. No PDGF product is approved for hair restoration and there is no published human trial of PDGF-BB on its own.