{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T02:43:06Z","timestamp":1790476986449,"version":"4.1.0"},"reference-count":66,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T00:00:00Z","timestamp":1769299200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Development Fund, Macau SAR","award":["0075\/2024\/RIB2"],"award-info":[{"award-number":["0075\/2024\/RIB2"]}]},{"name":"Science and Technology Development Fund, Macau SAR","award":["0105\/2022\/A2"],"award-info":[{"award-number":["0105\/2022\/A2"]}]},{"name":"Science and Technology Development Fund, Macau SAR","award":["006\/2023\/SKL"],"award-info":[{"award-number":["006\/2023\/SKL"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>The traditional Chinese medicinal herb Gynura segetum is increasingly recognized for its hepatotoxic potential, primarily attributed to its pyrrolizidine alkaloid (PA) content. PAs are a leading cause of herb-induced liver injury (HILI) in China and are strongly linked to hepatic sinusoidal obstruction syndrome (HSOS). This review systematically summarizes the pathogenesis, diagnostic advancements, and therapeutic strategies for PA-induced HSOS. Molecular mechanisms of PA metabolism are detailed, encompassing cytochrome P450-mediated bioactivation and the subsequent formation of pyrrole-protein adducts, which trigger sinusoidal endothelial cell injury and hepatocyte apoptosis. Advances in diagnostic criteria, including the Nanjing Criteria and the Roussel Uclaf Causality Assessment Method (RUCAM)-integrated Drum Tower Severity Scoring System, are discussed. Furthermore, emerging biomarkers, such as circulating microRNAs and pyrrole-protein adducts, are examined. Imaging modalities, such as contrast-enhanced computed tomography (CT) and gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid (Gd-EOB-DTPA) magnetic resonance imaging (MRI), have evolved from descriptive tools into quantitative and prognostic instruments. Therapeutic approaches have evolved from supportive care to precision interventions, including anticoagulation, transjugular intrahepatic portosystemic shunt (TIPS), and autophagy-modulating agents. A comprehensive literature review, utilizing databases such as PubMed and Web of Science, was conducted to summarize progress since the introduction of the \u201cNanjing Guidelines\u201d. Ultimately, this review underscores the critical need for integrated diagnostic and therapeutic frameworks, alongside enhanced public awareness and regulatory oversight, to effectively mitigate PA-related liver injury.<\/jats:p>","DOI":"10.3390\/molecules31030410","type":"journal-article","created":{"date-parts":[[2026,1,26]],"date-time":"2026-01-26T11:14:07Z","timestamp":1769426047000},"page":"410","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Hepatic Sinusoidal Obstruction Syndrome Induced by Pyrrolizidine Alkaloids from Gynura segetum: Mechanisms and Therapeutic Advances"],"prefix":"10.3390","volume":"31","author":[{"given":"Zheng","family":"Zhou","sequence":"first","affiliation":[{"name":"State Key Laboratory of Mechanism and Quality of Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau SAR 999078, China"},{"name":"Zhuhai MUST Science and Technology Research Institute, Macau University of Science and Technology, Hengqin Guangdong-Macao In-Depth Cooperation Zone, Zhuhai 519099, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongfan","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Mechanism and Quality of Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau SAR 999078, China"},{"name":"Zhuhai MUST Science and Technology Research Institute, Macau University of Science and Technology, Hengqin Guangdong-Macao In-Depth Cooperation Zone, Zhuhai 519099, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-3236-9345","authenticated-orcid":false,"given":"Tong","family":"Chu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Mechanism and Quality of Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau SAR 999078, 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Institute, Macau University of Science and Technology, Hengqin Guangdong-Macao In-Depth Cooperation Zone, Zhuhai 519099, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanchao","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Mechanism and Quality of Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau SAR 999078, China"},{"name":"Zhuhai MUST Science and Technology Research Institute, Macau University of Science and Technology, Hengqin Guangdong-Macao In-Depth Cooperation Zone, Zhuhai 519099, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9475-6981","authenticated-orcid":false,"given":"Wenzhe","family":"Ma","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Mechanism and Quality of Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau SAR 999078, 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