June 2010 in “European Journal of Cancer Supplements” Senescent fibroblasts can help start tumors in normal skin cells.
November 2022 in “Journal of Investigative Dermatology” This study found that different stressors causing premature senescence in fibroblasts resulted in distinct changes in lipid profiles, particularly sphingolipids, which may affect the behavior of senescent skin cells.
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November 2018 in “Aging” This study identified Azithromycin and Roxithromycin as novel senolytic antibiotics that effectively target and reduce senescent human fibroblast cells.
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March 2025 in “Free Radical Biology and Medicine” This study discusses how redox imbalance, specifically through reduced Insulin-like Growth Factor-1 mediated by the transcription factor JunB and sphingolipid metabolism changes, contributes to skin aging by depleting stem cell pools and altering the extracellular matrix, ultimately impacting skin integrity and function.
July 2024 in “Journal of Investigative Dermatology” Reactive lipids from aging cells change the extracellular matrix, affecting cell function and inflammation.