{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T00:47:04Z","timestamp":1768265224365,"version":"3.49.0"},"reference-count":48,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2025,5,1]],"date-time":"2025-05-01T00:00:00Z","timestamp":1746057600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Ministry of Education","award":["RS-2022-NR075631"],"award-info":[{"award-number":["RS-2022-NR075631"]}]},{"name":"Ministry of Education","award":["RS-2024-00403488"],"award-info":[{"award-number":["RS-2024-00403488"]}]},{"name":"Korea government (MSIT)","award":["RS-2022-NR075631"],"award-info":[{"award-number":["RS-2022-NR075631"]}]},{"name":"Korea government (MSIT)","award":["RS-2024-00403488"],"award-info":[{"award-number":["RS-2024-00403488"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>(1) Background: Rheumatoid arthritis (RA) is a chronic inflammatory condition known for its symptoms of joint damage and cartilage breakdown. Current treatments frequently result in adverse effects and show restricted efficacy in the long term. Dendropanax morbiferus, a plant recognized for its bioactive properties, demonstrates promise in the treatment of inflammatory conditions. The objective of this study was to examine the therapeutic properties of Dendropanax morbiferus\u00a0L\u00e9v. water extract (DMWE) in RA through the utilization of in vitro and in vivo models. (2) Methods: Ultra-high-performance liquid chromatography (UPLC) analysis was used to identify bioactive compounds in DMWE. Antioxidant activity was evaluated using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radical-scavenging assays. The in vitro experiments involved the treatment of CHON-001 cells with DMWE in order to assess its impacts on inflammation and matrix metalloproteinase (MMP) expression. The impact of DMWE on the Janus Kinase 2 (JAK2) and Signal Transducer and Activator of Transcription (STAT) signaling pathways was also assessed. RA was induced in Balb\/c mice who were subsequently treated with varying doses of DMWE to assess its impact on joint morphology, edema, and body weight. (3) Results: DMWE demonstrated substantial antioxidant activity and hindered the expression of MMP-2 and MMP-8 in chondrocytes treated with IL-1\u03b2. It additionally inhibited the JAK2\/STAT pathway and diminished inflammatory responses. Treatment with DMWE in living organisms led to a decrease in joint swelling, improved weight regains, and maintained joint structure, with higher doses exhibiting effects similar to those of the positive control, dexamethasone (Dexa). (4) Conclusions: DMWE was found to have excellent in vitro antioxidant and anti-inflammatory activities. In an RA-induced mouse model, DMWE-3 (500 mg\/kg BW) was found to effectively treat RA by reducing the concentration of pro-inflammatory factors and preventing joint deformation.<\/jats:p>","DOI":"10.3390\/antiox14050548","type":"journal-article","created":{"date-parts":[[2025,5,2]],"date-time":"2025-05-02T08:28:11Z","timestamp":1746174491000},"page":"548","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Therapeutic Effects of Dendropanax morbiferus L\u00e9v. Water Leaf Extracts in a Rheumatoid Arthritis Animal Model"],"prefix":"10.3390","volume":"14","author":[{"given":"Dongho","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Anesthesiology and Pain Medicine, College of Medicine, Inje University, Gimhae 47392, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Min Jung","family":"Kim","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang-Soo","family":"Cho","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ye Jin","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin-Kyung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Dental Hygiene, Daegu Health College, Daegu 41453, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryounghoon","family":"Jeon","sequence":"additional","affiliation":[{"name":"Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI hub), Daegu 41061, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang-Hyun","family":"An","sequence":"additional","affiliation":[{"name":"Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI hub), Daegu 41061, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0199-8090","authenticated-orcid":false,"given":"Kwang Il","family":"Park","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kwangrae","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Pain Medicine, College of Medicine, Inje University, Gimhae 47392, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Radu, A.-F., and Bungau, S.G. 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