{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T14:48:21Z","timestamp":1783694901845,"version":"3.55.0"},"reference-count":37,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T00:00:00Z","timestamp":1773792000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Program of Guangzhou","award":["2025A03J3937"],"award-info":[{"award-number":["2025A03J3937"]}]},{"name":"Science and Technology Program of Guangzhou","award":["2025A03J3852"],"award-info":[{"award-number":["2025A03J3852"]}]},{"name":"Science and Technology Program of Guangzhou","award":["2025A03J3851"],"award-info":[{"award-number":["2025A03J3851"]}]},{"name":"Guangzhou Health Science and Technology Young Talents Cultivation Program","award":["20261A031050"],"award-info":[{"award-number":["20261A031050"]}]},{"name":"Key-Area Research and Development Program of Guangdong Province","award":["2023B1111050012"],"award-info":[{"award-number":["2023B1111050012"]}]},{"name":"Research Foundation of Medical Science and Technology of Guangdong Province","award":["B2025255"],"award-info":[{"award-number":["B2025255"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Marine Drugs"],"abstract":"<jats:p>Mitochondrial dysfunction is a major contributor to skin photoaging. Activation of the Wnt\/\u03b2-catenin pathway, a key regulator of developmental processes, can improve mitochondrial abnormalities associated with pathology. Therefore, the Wnt\/\u03b2-catenin pathway emerges as a key therapeutic target in the context of photoaging. Isaridin E (ISE), a marine-derived natural product with a novel structure, exhibits potent antiplatelet and anti-inflammatory activities. We sought to examine the anti-senescence effects of ISE on fibroblasts in photoaged skin. In vitro, ISE improved UVB-induced fibroblast damage in a dose-dependent manner, restoring cell viability, reducing \u03b2-galactosidase accumulation, and suppressing SASP factor production. In a photoaging mouse model, ISE markedly decreased skin thickness, increased dermal collagen expression, and reduced SASP levels in skin tissues. ISE significantly improved fibroblast energy production deficits and mitochondrial dysfunction. RNA sequencing and Western blotting demonstrated that UVB irradiation significantly suppressed Wnt\/\u03b2-catenin signaling activity, whereas ISE dose-dependently restored pathway activation. Using GSK-3\u03b2-targeted siRNA, we showed that the anti-photoaging effects of ISE are mediated via the Wnt\/\u03b2-catenin pathway. ISE appears to counteract photoaging by enhancing Wnt\/\u03b2-catenin activity and improving mitochondrial function.<\/jats:p>","DOI":"10.3390\/md24030112","type":"journal-article","created":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T14:14:05Z","timestamp":1773843245000},"page":"112","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Isaridin E Protects Against UVB-Induced Photoaging by Activating Wnt\/\u03b2-Catenin Signaling Pathway and Alleviating Mitochondrial Dysfunction"],"prefix":"10.3390","volume":"24","author":[{"given":"Yaosheng","family":"Liu","sequence":"first","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"},{"name":"Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weizhen","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"},{"name":"School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeen","family":"Yang","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Long","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sufen","family":"Cai","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changjie","family":"Sun","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Xiong","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunqi","family":"Zhang","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yumei","family":"Liu","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangpu","family":"Luo","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Senhua","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519082, China"},{"name":"Southern Marine Sciences and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tie","family":"Zhao","sequence":"additional","affiliation":[{"name":"Institute of Dermatology, Guangzhou Medical University, Guangzhou 510095, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"817","DOI":"10.1007\/s00011-022-01598-8","article-title":"Photoaging: UV Radiation-Induced Inflammation and Immunosuppression Accelerate the Aging Process in the Skin","volume":"71","author":"Salminen","year":"2022","journal-title":"Inflamm. 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