April 2011 in “Cancer Research” In this study, ginsenoside 20(S)-protopanaxadiol-aglycone (PPD) was shown to downregulate androgen receptor expression and inhibit tumor growth in prostate cancer cells.
12 citations
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April 2019 in “Scientific Reports” This study found that HMGB1 enhanced hair growth by stimulating PGE2 production in human dermal papilla cells, suggesting a potential therapeutic target for alopecia treatment.
June 2026 in “Frontiers in Oncology” In this study, researchers found that deficiencies in Gsdma1/2/3 significantly inhibited the initiation and progression of cutaneous squamous cell carcinoma (cSCC) in mice, suggesting GSDMA's role in promoting cSCC proliferation and its potential as a therapeutic target.
3 citations
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July 2021 in “Life science alliance” This study observed that disrupting the Pnkp gene in adult mice resulted in a premature aging-like phenotype, suggesting PNKP's vital role in maintaining normal growth and survival of certain progenitor cell populations.
5 citations
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September 2024 in “Biomolecules and Biomedicine” This study found that total glucosides of paeony (TGP) reduced hair loss and inflammation in alopecia areata mice by inhibiting cellular pyroptosis.
10 citations
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October 2016 in “Monoclonal antibodies in immunodiagnosis and immunotherapy” This study developed rat monoclonal antibodies that specifically detect Pax1/PAX1 protein, which could improve diagnostic protocols for conditions involving deregulated Pax1/PAX1 expression.
7 citations
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December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
November 2025 in “Journal of Investigative Dermatology” A new genetic mutation causing Xeroderma Pigmentosum was found in an 8-year-old girl, affecting her DNA repair.
October 2024 in “Stem Cell Research & Therapy” This study found that CGF may be effective in reducing inflammation and improving skin conditions in psoriasis, particularly in patients resistant to other treatments.
60 citations
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January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that inhibiting PKC-β activity with bisindolylmaleimide reduces pigmentation in the skin and hair of guinea pigs and mice by preventing tyrosinase activation.
1 citations
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October 2025 in “Iranian journal of pharmaceutical research” This study suggests that geranyl acetate may offer protective, anti-inflammatory, and cytoprotective effects against PPD-induced toxicity in keratinocyte cells, indicating its potential as a plant-derived treatment.
61 citations
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September 1994 in “Journal of Medical Genetics” This study found strong evidence linking a keratin gene anomaly to pachyonychia congenita, supporting its role in affecting skin, nails, hair, and mucosa.
23 citations
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December 2013 in “British Journal of Dermatology” This study identified a new PNPLA1 mutation in a Spanish family with autosomal recessive congenital ichthyosis.
November 2024 in “Journal of Investigative Dermatology” Polygenic Score can help predict severe psoriasis and psoriatic arthritis.
151 citations
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August 2011 in “The EMBO Journal” The enzyme PA-PLA1α is important for proper hair follicle development.
December 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” In a mouse model study, researchers observed that the absence of MCPIP1 in myeloid cells decreased susceptibility to chemically induced skin papillomas but caused significant hair loss and skin pigmentation changes, suggesting a role for MCPIP1 in skin carcinogenesis and follicle integrity.
9 citations
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March 2015 in “Journal of Microbiology and Biotechnology” This study found that ultra-high molecular weight poly-γ-glutamic acid promoted hair growth in telogenic C57BL/6 mice by inhibiting 5-alpha reductase activity and inducing the anagen phase.
3 citations
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June 2022 in “European journal of human genetics” This study reports the first cases of recessive KRT17-related pachyonychia congenita involving all ectodermal derivatives in seven members of two consanguineous Pakistani families.
June 2025 in “Proceedings of the National Academy of Sciences” In this study, a mouse model with a PIK3CA gain-of-function mutation in Schwann cells revealed unique communication with neighboring cells and a glycolytic shift in peripheral nerves, and early alpelisib treatment significantly improved symptoms, though efficacy declined with delayed administration due to limited drug penetration.
14 citations
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May 2016 in “International Journal of Molecular Sciences” This study showed that knocking out the Ppp2ca gene in the epidermis of mice led to significant hair loss and disrupted hair follicle morphogenesis and regeneration.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” This study found that a unique transglutaminase in guinea pig hair-follicles, distinct from liver transglutaminase, likely plays a role in forming protein cross-links via ε(γ-glutamyl)lysine bonds.
14 citations
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March 2015 in “Stem Cell Research & Therapy” This study indicates that ABCG2 expression identifies interfollicular keratinocyte progenitor cells in human epidermis and suggests it could help enrich these stem cells for research and treatment.
91 citations
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May 1972 in “Journal of Biological Chemistry” This research found that the transfer reaction catalyzed by human plasma and guinea pig hair follicle transglutaminases aligns with a ping-pong mechanism involving peptide-bound glutamine.
11 citations
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June 2017 in “Journal of cell science” In this study, researchers found that AGD1 is crucial for membrane recruitment during root hair development in Arabidopsis thaliana, with its pleckstrin homology domain essential for targeting specific plasma membrane regions.
3 citations
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April 2022 in “Frontiers in Physiology” This study found that loss of the Ptch2 receptor in mice leads to increased incisor growth and enhanced mesenchymal stem cell differentiation, highlighting Ptch2's role in organ regenerative potential.
9 citations
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January 2021 in “Acta Cirúrgica Brasileira” This study found that DPG promoted wound healing in rat skin, with increased collagen I density, particularly evident within the first 14 days after injury.
April 2026 in “Frontiers in Cell and Developmental Biology” This review summarizes the role of G-protein-coupled receptors in wound healing and reports no new clinical results, highlighting their importance in signaling pathways and recent discoveries in their functions.
5 citations
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January 2015 in “Molecular Genetics and Metabolism” February 2023 in “International journal of molecular sciences” This study used infrared spectral imaging to show for the first time the distribution of glypican-4 and glypican-6 in hair follicles across different growth phases, highlighting the potential of this technique for studying alopecia.
This article explores the potential applications of polyglutamic acid in cosmetics, discussing its benefits for skincare and haircare, but reports no new experimental results.