{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T02:10:08Z","timestamp":1781230208277,"version":"3.54.1"},"reference-count":114,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2025,7,2]],"date-time":"2025-07-02T00:00:00Z","timestamp":1751414400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2024M760779"],"award-info":[{"award-number":["2024M760779"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cells"],"abstract":"<jats:p>Sepsis is a life-threatening condition characterized by a dysregulated host response to infection, with complex pathophysiological mechanisms. As an important post-translational modification, protein ubiquitination exhibits multiple non-traditional functions in sepsis beyond its conventional role in protein degradation. Regulating the network of inflammatory cytokines, the dynamic balance of immune cells and organ-specific protective pathways is deeply involved in the pathological process of sepsis. This review focuses on the unconventional roles of protein ubiquitination in sepsis, including its regulation of the inflammatory response, immune cell functions, and organ protection. It systematically summarizes the regulatory mechanisms of ubiquitination in the non-degradative activation of the nuclear factor kappa B (NF-\u03baB) signaling pathway, the dynamic assembly of the NLRP3 inflammasome, the reprogramming of macrophage polarization, and the injuries of organs such as the heart, liver, and lungs. These processes demonstrate that ubiquitination serves as a pivotal nexus between immunological dysregulation and multi-organ impairment in sepsis. This review suggests that targeting non-degradative ubiquitination alterations may provide viable therapeutic options to mitigate excessive inflammation and organ failure in sepsis.<\/jats:p>","DOI":"10.3390\/cells14131012","type":"journal-article","created":{"date-parts":[[2025,7,2]],"date-time":"2025-07-02T06:46:12Z","timestamp":1751438772000},"page":"1012","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["The Role of Protein Ubiquitination in the Onset and Progression of Sepsis"],"prefix":"10.3390","volume":"14","author":[{"given":"Meng-Yan","family":"Chen","sequence":"first","affiliation":[{"name":"School of Life Sciences, Henan University, Kaifeng 475004, China"},{"name":"Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng 475004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Life Sciences, Henan University, Kaifeng 475004, China"},{"name":"Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng 475004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Fang","sequence":"additional","affiliation":[{"name":"School of Life Sciences, Henan University, Kaifeng 475004, China"},{"name":"Henan Key Laboratory of Synthetic Biology and Biomanufacturing, Henan University, Kaifeng 475004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,2]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1444","DOI":"10.17305\/bb.2024.11738","article-title":"Pathological roles of ubiquitination and deubiquitination systems in sepsis-induced myocardial dysfunction","volume":"7","author":"Wang","year":"2025","journal-title":"Biomol. 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