{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T03:58:22Z","timestamp":1793246302888,"version":"4.5.0"},"reference-count":73,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:00:00Z","timestamp":1773014400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pharmacol."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Curcumin has been demonstrated to possess promising neuroprotective potential in Parkinson\u2019s disease; however, its overall effects remain inconclusive, and its multiple mechanisms of action have not been systematically summarized.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This systematic review and meta-analysis aimed to evaluate the pharmacological effects of curcumin in animal models of Parkinson\u2019s disease and to investigate its potential mechanisms involving antioxidant, anti-inflammatory, and neuroprotective effects, thereby providing a theoretical basis for its potential clinical application in Parkinson\u2019s disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A comprehensive search of four databases (EMBASE, PubMed, Web of Science, and the Cochrane Library) up to August 2025 identified 31 eligible studies involving a total of 552 animals. Methodological quality was assessed using the SYRCLE risk of bias tool. Standardized mean differences (SMDs) were calculated to evaluate the effects of curcumin on motor function, neurochemistry, inflammation, and oxidative stress in animal models of Parkinson\u2019s disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The results demonstrated that curcumin intervention improved motor function in animal models of Parkinson\u2019s disease, as evidenced by increased locomotor distance in the open field test (SMD = 1.25) and elevated mean velocity (SMD = 1.42), prolonged latency to fall in the rotarod test (SMD = 2.49), shortened descent time in the pole test (SMD = \u22121.16), and reduced traversal time on the balance beam (SMD = \u22122.27). Curcumin exhibited neuroprotective effects through increasing the number of tyrosine hydroxylase-positive cells (SMD = 2.12), maintaining dopamine levels (SMD = 4.11), and elevating 3,4-dihydroxyphenylacetic acid concentrations (SMD = 3.15). Regarding anti-inflammatory effects, curcumin significantly reduced multiple inflammatory markers, including interleukin-6 (SMD = \u22124.73), interleukin-1\u03b2 (SMD = \u22123.30), tumor necrosis factor-\u03b1 (SMD = \u22123.19), and nitric oxide (SMD = \u22124.91). With respect to antioxidant activity, curcumin significantly reduced malondialdehyde levels (SMD = \u22124.69) while increasing the activities of superoxide dismutase (SMD = 3.90), glutathione (SMD = 2.08), and catalase (SMD = 2.00).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Curcumin demonstrates significant neuroprotective effects in Parkinson\u2019s disease animal models, improving motor deficits and neuronal integrity likely through multi-target mechanisms involving anti-inflammatory and antioxidant pathways.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Systematic Review Register<\/jats:title>\n                    <jats:p>\n                      <jats:ext-link>https:\/\/www.crd.york.ac.uk\/PROSPERO\/view\/CRD420251131257<\/jats:ext-link>\n                      , identifier CRD420251131257\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fphar.2026.1779921","type":"journal-article","created":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T06:48:14Z","timestamp":1773038894000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Pharmacological effects and mechanisms of curcumin in animal models of Parkinson\u2019s disease: a systematic review and meta-analysis"],"prefix":"10.3389","volume":"17","author":[{"given":"Bowen","family":"Pang","sequence":"first","affiliation":[{"name":"College of Traditional Chinese Medicine, Changchun University of Chinese Medicine","place":["Changchun, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Fu","sequence":"additional","affiliation":[{"name":"College of Traditional Chinese Medicine, Changchun University of Chinese Medicine","place":["Changchun, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huihan","family":"He","sequence":"additional","affiliation":[{"name":"College of Traditional Chinese Medicine, Changchun University of Chinese Medicine","place":["Changchun, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiangyu","family":"Guo","sequence":"additional","affiliation":[{"name":"College of Traditional Chinese Medicine, Changchun University of Chinese Medicine","place":["Changchun, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ge","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Traditional Chinese Medicine, Changchun University of Chinese Medicine","place":["Changchun, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,3,9]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"5747","DOI":"10.1002\/jsfa.11372","article-title":"Curcumin, the active substance of turmeric: its effects on health and ways to improve its bioavailability","volume":"101","author":"Abd El-Hack","year":"2021","journal-title":"J. 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