{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T23:20:37Z","timestamp":1782948037398,"version":"3.54.5"},"reference-count":31,"publisher":"World Scientific Pub Co Pte Ltd","issue":"06","funder":[{"name":"the National Key R&D Program of China","award":["2018YFC1704500"],"award-info":[{"award-number":["2018YFC1704500"]}]},{"DOI":"10.13039\/501100013314","name":"111 Project","doi-asserted-by":"crossref","award":["B16046"],"award-info":[{"award-number":["B16046"]}],"id":[{"id":"10.13039\/501100013314","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am. J. Chin. Med."],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:p> Uric acid nephropathy (UAN) is caused by excessive uric acid, which results in the damage of renal tissue via urate crystals deposition in the kidneys. The roots and rhizomes of Salvia miltiorrhiza Bunge (S. miltiorrhiza) have been clinically used in many prescriptions to treat uric acid-induced renal damage. This study investigates the uricosuric and nephroprotective effects of the ethyl acetate extract of S. miltiorrhiza (EASM) and tanshinone IIA (a major component of S. miltiorrhiza, Tan-IIA) on UAN and explores the underlying molecular mechanism. Both EASM and Tan-IIA significantly decreased serum uric acid (SUA), serum creatinine (SCR), urine uric acid (UUA), and increased urine creatinine (UCR), and blood urea nitrogen (BUN) levels in experimental UAN mice. In adenine and potassium oxonate-induced mice, EASM and Tan-IIA treatment alleviated renal dysfunction and downregulated the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS). Moreover, EASM treatment significantly prevented excessive reactive oxygen species (ROS) production in uric acid-induced HK-2 cells and suppressed the expression of nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4). EASM also suppressed ROS-activated mitogen-activated protein kinases (MAPKs) in vivo and in vitro. These results suggest that both EASM and Tan-IIA demonstrated inhibitory effects on UAN through relieving NOX4-mediated oxidative stress and suppressing MAPK pathways activation. <\/jats:p>","DOI":"10.1142\/s0192415x20500718","type":"journal-article","created":{"date-parts":[[2020,9,16]],"date-time":"2020-09-16T07:07:38Z","timestamp":1600240058000},"page":"1455-1473","source":"Crossref","is-referenced-by-count":25,"title":["Lipophilic Extract\u00a0and Tanshinone IIA Derived from <i>Salvia miltiorrhiza<\/i> Attenuate Uric Acid Nephropathy through Suppressing Oxidative Stress-Activated MAPK Pathways"],"prefix":"10.1142","volume":"48","author":[{"given":"Xiao-Wei","family":"Zhang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P.\u00a0R.\u00a0China"},{"name":"Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, 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