Phloroglucinol Enhances Anagen Signaling and Alleviates H2O2-Induced Oxidative Stress in Human Dermal Papilla Cells

    S.H. Park, Ye Jin Lim, Hee Su Kim, H. S. Shin, Ji-Seon Kim, Jae Nam Lee, Jae Ho Lee, Seunghee Bae
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    TLDR Phloroglucinol may help improve hair loss by promoting hair growth and reducing oxidative stress.
    Phloroglucinol (PG), a compound found in brown algae, has been shown to enhance anagen signaling and alleviate oxidative stress in human dermal papilla cells (HDPCs). The study found that PG increased anagen-inductive genes and β-Catenin transcriptional activities without affecting Wnt expression. PG also elevated AKT phosphorylation, leading to increased inhibitory phosphorylation of GSK3β. The use of an AKT inhibitor reversed these effects, confirming the role of the AKT/GSK3β/β-Catenin pathway. Additionally, PG-treated HDPCs promoted keratinocyte proliferation and migration via AKT signaling. PG also reduced oxidative stress markers and mitigated H₂O₂-induced cellular senescence. These findings suggest that PG could be a novel therapeutic agent for improving hair loss symptoms.
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