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This study found that Y27632 treatment facilitated the formation of core-shell-shaped hair follicle organoids, resulting in nearly 100% efficient hair shaft sprouting in vitro.

The research examined Crown-X, a novel formulation containing Menstrual Stem Cells, and found that it promoted significant proliferation of human dermal papilla cells, suggesting its potential as a non-invasive treatment for male pattern baldness. Future clinical trials are necessary to confirm its efficacy.

This review highlights emerging evidence that biophysical and metabolic cues, such as oxygen levels and tissue mechanics, significantly influence skin stem cell behavior, which is crucial for developing advanced wound healing therapies beyond traditional infection and inflammation control.

In this study, researchers used a chemical cocktail and hydrogel microspheres to successfully guide fibroblasts into dermal papilla cells, promoting wound healing and in situ hair follicle regeneration while reducing scar formation, in both in vitro and in vivo experiments.

In this review, the authors discuss how understanding and co-regulating multiple signaling pathways could lead to effective regeneration of functional hair cells, highlighting current achievements and future approaches such as small molecule drugs and gene therapy for treating sensorineural hearing loss.

This study found that mTOR signaling plays a crucial role in activating hair follicle stem cells by balancing BMP-mediated repression, essential for hair regeneration.

This study in neonatal chicks reported that intense sound exposure severely impaired auditory function, but function returned to near normal within 3 days, primarily due to non-hair-cell mechanisms.

This study found that MYC and FGF pathways are crucial for hair cell regeneration in chick and zebrafish models, suggesting potential targets for promoting hair cell regeneration in mammals.

This study found that coactivating LIN28B and follistatin enhances cochlear supporting cells' ability to regenerate hair cells in neonatal mice by reprogramming them into progenitor-like cells.

This study found that using induced pluripotent stem cell-derived mesenchymal stem cells with acellular nerve allografts significantly improved axon regeneration and functional recovery in rats with sciatic nerve injuries, suggesting a promising approach for clinical nerve repair therapies.

This study suggests that low level laser therapy may promote hair cell regeneration in rat cochlear explants following gentamicin-induced damage.

This study found that exosomes from human umbilical cord mesenchymal stem cells significantly promoted hair follicle growth and enhanced the transition to the growth phase in a model of androgenetic alopecia, by enriching specific microRNAs that activate key pathways involved in hair regeneration.

This study found that epidermal-specific deletion of aPKCλ in mice disrupted hair follicle stem cell quiescence and regeneration, leading to abnormal hair cycling and skin changes.

This study found that silk fibroin gel induced more pro-regenerative macrophages and hair follicle stem cells, leading to almost scarless skin regeneration compared to alginate gel.

LSD1 is crucial for regenerating hair cells in zebrafish.

This study demonstrates a method using intravital imaging to observe sensory hair-cell development and regeneration in zebrafish, which may facilitate assays for drug discovery related to aural function preservation.

This study found that botulinum toxin type A injections in stressed mice appeared to normalize hair follicle regeneration cycles and reduced stress-related hair loss indicators.

This study used scRNA-Seq to map the transcriptional changes during zebrafish hair cell regeneration, revealing distinct phases including injury response, transient regeneration gene activation, and reactivation of developmental programs.

This study found that epidermal growth factor promotes hair cell regeneration in young chickens damaged by gentamicin, accelerating recovery to normal basilar papilla structure.

This study suggests that supporting cells are the origin of regenerated hair cells in the avian basilar papilla, with epidermal growth factor as a potential trigger, and indicates a possibility of hair cell regeneration in mammalian vestibular epithelia.

This study found that mice lacking the Sept4/ARTS gene had more hair follicle stem cells and improved wound healing, suggesting apoptosis regulation as a potential target in regenerative medicine.

This study found similarities in the regeneration processes of MRL mouse ears and axolotl limbs, involving G2 cell cycle arrest and nerve-dependent mitosis, but the role of p21 in axolotl limb regeneration remains uncertain.

This study found that proteins secreted by early-passage dermal papilla cells, including SDF1, MMP3, biglycan, and LTBP1, may play significant roles in hair follicle regeneration.

This study identified Th22 cells as key effectors in hair regeneration driven by thymosin beta 15, suggesting they could be potential targets for hair regrowth therapies.

This review examines current treatments and the potential role of stem cells in cutaneous wound healing, but it presents no new clinical results and calls for more research on mechanisms.

This review discusses how macro-environmental factors such as intradermal adipose tissue and sex hormones influence hair and feather stem cell niches, suggesting environmental targets for regenerative medicine, but reports no new clinical results.

This study found that lymphatic vessels in mice are important for hair follicle development and organization, as their depletion blocks hair growth.

This study suggests that the secretome from amniotic fluid-derived mesenchymal stem cells overexpressing Nanog could stimulate hair growth and increase follicle density, potentially aiding in alopecia treatment.

This study found that injecting bone marrow-derived mesenchymal stem cells and conditioned medium into mice promoted hair follicle stem cell proliferation and transition to active growth phases, suggesting potential clinical targets for hair loss treatment.

This study used cashmere goats to map the differentiation of dermal papilla stem cells and identified key intermediate cell states involved in hair follicle regeneration.