{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T03:57:31Z","timestamp":1790740651682,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T00:00:00Z","timestamp":1672963200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Cosmetic Dermatology"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Hypertrophic scarring is a common skin fibro\u2010proliferative disease, but currently there has no satisfactory drugs for anti\u2010scar treatments. Previous study showed that epigallocatechin gallate (EGCG), the main catechin in green tea, improved wound healing and tissue fibrosis in both rats and mice. In the present study, the therapeutic effects of EGCG on hypertrophic scar were analyzed using a rabbit ear hypertrophic scar model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials<\/jats:title><jats:p>A rabbit ear model of hypertrophic scarring was used. DMSO, 0.5\u00a0mg EGCG\/wound, 1.0\u00a0mg EGCG\/wound or triamcinolone were injected subcutaneously once a week for 4\u2009weeks. The scar elevation index (SEI) was measured using HE staining images, the collagen fibers were examined by Masson\u2019 trichrome staining images, and the number of capillaries in hypertrophic scar were calculated by CD31 staining images. The mRNA levels in the scar tissues were detected by quantitative real\u2010time polymerase chain reaction (qRT\u2010PCR).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Gross observation and histological evaluation showed the inhibitory effects of EGCG on hypertrophic scar formation at both doses, and decreased scar height and SEI were detected. EGCG also attenuated the mean collagen area fraction and decreased the number of capillaries in scar tissues. qRT\u2010PCR revealed that EGCG significantly inhibited the mRNA expression of TGF\u2010\u03b21, Col I, Col III, \u03b1\u2010SMA, and eNOS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>EGCG may serve as a useful candidate therapeutic drug for hypertrophic scar via inhibiting fibrotic gene expression and suppressing angiogenesis.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jocd.15587","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T09:20:09Z","timestamp":1672996809000},"page":"1382-1391","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["<scp>EGCG<\/scp> inhibits hypertrophic scar formation in a rabbit ear 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