April 2019 in “Journal of Investigative Dermatology” This study found that DPP4 is significantly involved in matrix deposition and fibrosis in human skin fibroblasts, although the exact functions of DPP4 remain unclear.
September 2023 in “Medicine” This study found increased infiltration of specific immune cells, such as γδ T cells and CD8+ T cells, in the bald scalp of male androgenetic alopecia patients, and identified four key immune-related genes potentially involved in hair loss development through interferon-γ signaling pathways.
October 2025 in “Clinical Cosmetic and Investigational Dermatology” This study synthesizes knowledge of how dendritic cell signals, epithelial integrins, and fibroblast activity converge on TGF-β1 to maintain or disrupt skin healing, contrasting normal and fibrotic scar formation and suggesting possible integrin and immune-targeted treatments for skin fibrosis.
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January 2015 in “European journal of pharmacology” In this animal study, ginsenoside Rb1 demonstrated therapeutic effects on hypertrophic scar remodeling, with the highest efficacy observed at a dose of 0.56 mg.
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November 2020 in “American Journal Of Pathology” The study suggests that integrin β1 is crucial for maintaining liver microstructure and its absence may promote fibrosis by disrupting hepatocyte-extracellular matrix interactions and increasing TGF-β secretion.