May 2026 in “International Journal of Molecular Sciences” This study found that plucked hair follicles can serve as a practical and scalable source for regenerative medicine, as researchers successfully isolated and expanded keratinocytes and mesenchymal stem cells for potential cell-based and cell-free therapies, demonstrating significant wound-healing bioactivity in vitro.
May 2026 in “Journal of Tissue Engineering” This study established a method to create stem cell-derived dermal papilla cells and found that their conditioned medium significantly boosts hair growth and offers anti-inflammatory benefits in mice, surpassing minoxidil and addressing androgen-related hair loss.
April 2026 in “Microsystems & Nanoengineering” This study developed HA-gel-dex hydrogels with enhanced ECM-like properties and functionality, showing promise for 3D bioprinting, tissue repair, and as wound dressings due to improved cell interaction, cytocompatibility, antimicrobial synergy, and wound healing in mice compared to traditional ECM bio-inks.
April 2026 in “BMC Biotechnology” This study evaluated a novel synthetic cell-penetrating peptide, DualPep-ALO, finding it promotes hair growth by enhancing follicle cell proliferation, activating regenerative pathways, and reducing inflammation and oxidative stress in vitro and ex vivo, suggesting a promising new topical treatment for hair loss that rivals minoxidil.
In this study, the researchers developed a biomimetic multilayer composite scaffold combining a decellularized amniotic membrane, fibroblast-laden collagen gel, and epidermal stem cells, which healed full-thickness skin wounds more quickly and effectively by regenerating hair follicles without scarring compared to Moropicin ointment.
February 2026 in “South African Journal of Botany” In this study, rice straw-derived smoke water enhanced root growth in rice plants by increasing root meristem size and cell proliferation, reducing superoxide accumulation under phosphorus deficiency, and altering internal phosphorus partitioning, although it suppressed root hair elongation, which affected phosphate uptake.
February 2026 in “Human Cell” This study found that factors released by mesenchymal stromal cells can enhance the proliferation and migration of keratinocytes in vitro, which may contribute to improved understanding of their role in wound healing and potential applications in dermal regeneration therapies.
December 2025 in “The Journal of Cell Biology” This study found that keratin 15 lacks the ability to sequester YAP1 in keratinocytes effectively, unlike keratin 14, and suggests that a higher K15:K14 ratio may promote a progenitor state and inhibit differentiation in epidermal keratinocytes.
November 2025 in “Clinical and Translational Medicine” This study found that cell-free RNA, particularly DNAJB9, shows potential as a biomarker for diagnosing and prognosing female androgenetic alopecia using a machine learning model.
September 2025 in “Digital Commons - RU (Rockefeller University)” In this study, researchers found that mice lacking the transcription factor FOXC1 in their hair follicle stem cells had increased rounds of hair regeneration but experienced hair thinning due to impaired ability to maintain stem cell quiescence and adhesion.
June 2025 in “Cell Regeneration” In this study, Dguok deficiency in mice led to premature hair greying due to a loss of melanocyte stem cells and mature melanocytes, with increased oxidative stress and cell death; treatment with an antioxidant mitigated these effects, suggesting DGUOK's importance in hair pigmentation maintenance.
May 2025 in “International Journal of Molecular Sciences” This study found that exosomes and secretome derived from rat hair follicle stem cells show promising potential for wound healing and tissue repair, demonstrating significant wound closure and suggesting their broader applicability in regenerative medicine.
April 2025 in “Journal of Investigative Dermatology” This study found that elevated luteinizing hormone levels were significantly associated with female pattern hair loss, and implicated LH/LHR signaling in the aging and damage of hair follicles.
March 2025 in “The FASEB Journal” In this study on mice, intensive stress through methods like resiniferatoxin injections and physical restraint was found to inhibit hair follicle growth, with the mechanism involving the sympathetic nervous system and the cAMP signaling pathway in hair follicle stem cells.
January 2025 in “Open Medicine” This study found that high-concentration cell-free adipose extract effectively reduced collagen deposition and blood vessel formation in a rabbit ear model, showing promise for preventing and treating hypertrophic scars.
January 2025 in “International Journal of Pharma Medicine and Biological Sciences” This study examined interactions between immune cells and dermal papilla cells in a patient with alopecia areata using single-cell RNA sequencing; it identified specific T cell subtypes and ligand-receptor pairs that may contribute to hair cycle disruption through inflammation.
December 2024 in “International Journal of Molecular Sciences” This study provides a comprehensive overview of human umbilical cord mesenchymal stem cell-derived extracellular vesicles (HUCMSC-EVs), suggesting their potential to combat aging and alleviate age-related disorders by rejuvenating multiple organs in animal models and discussing engineering strategies to harness their full anti-aging potential.
November 2024 in “Journal of Investigative Dermatology” This study found that recombinant human ADM2 treatment inhibited cell proliferation and induced apoptosis in human hair follicles, contrasting with the previously documented pro-proliferative and anti-apoptotic functions of ADM2.
November 2024 in “Journal of Translational Internal Medicine” This study found that umbilical cord mesenchymal stem cell-derived exosomes improved hair growth in mice with androgenetic alopecia by promoting hair follicle stem cell stemness through the RAS/ERK pathway, suggesting a potential new treatment strategy for this condition.
July 2024 in “Chinese Medical Journal” This study concluded that ACT injections, alone or combined with finasteride, have significant therapeutic effects and safety in treating androgenic alopecia, with promising clinical potential.
April 2024 in “Cell death and differentiation” This study discusses how different modes of regulated cell death in keratinocytes affect skin stem cell niches, and their role in skin inflammation, injury repair, and cancer, based on findings from human dermatological conditions and experimental mouse models.
April 2024 in “Bioscience trends” This study found that patients with alopecia areata had significantly higher levels of circulating DNA for certain cytokines compared to healthy controls, suggesting that increased circulating DNA may be linked to hair follicle damage in these patients.
March 2024 in “Stem cell research & therapy” This study found that conditioned medium from human dental pulp stem cells (particularly under hypoxic conditions) improved keratinocyte survival and hair regrowth in a chemotherapy-induced alopecia mouse model and did not promote tumor growth, suggesting potential for safe therapeutic use.
March 2024 in “Cell communication and signaling” This study found that sleep deprivation in mice can trigger prostatitis by activating the cGAS-STING pathway due to reduced levels of dihydrotestosterone and melatonin, resulting in a pro-inflammatory environment, while recovery sleep can mitigate these effects.
February 2024 in “Journal of Investigative Dermatology” In this study, the deletion of NIPP1 in keratinocytes led to chronic skin inflammation and epidermal changes in mice, with early cell-cycle arrest and premature senescence observed, potentially contributing to reduced mutagen sensitivity.
February 2024 in “Advanced Science” This study highlights that a novel radially aligned nanofiber scaffold with dual growth factor gradients significantly enhances wound healing, promoting cell migration, epidermal regeneration, and angiogenesis, ultimately leading to improved wound closure, immune regulation, and tissue remodeling compared to other groups.
January 2024 in “Indian Journal of Pharmaceutical Sciences” In this laboratory study, researchers found that a methanol extract of peach kernel improved the growth and viability of human hair follicle dermal papilla cells, suggesting its potential efficacy for hair growth and care through cell proliferation and signaling pathways activation.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that targeting connective tissue sheath contraction with an MLCK inhibitor may improve hair growth in androgenetic alopecia by reducing premature hair regression caused by ectopic apoptosis of hair follicle progenitor cells.
This study evaluated 32 marker compounds from natural herbal extracts and found that four of them, honokiol, isoalantolactone, broussochalcone A, and 3-deoxysappanone B, can induce hair growth, suggesting a potential natural treatment for hair loss.
November 2023 in “Klìtinna ta organna transplantologìâ” This study reviews the regenerative potential and clinical applications of exosomes derived from mesenchymal stem cells in conditions like COVID-19, alopecia, skin aging, and osteoarthritis, highlighting their role as a promising tool in regenerative medicine.