{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T13:41:35Z","timestamp":1783690895128,"version":"3.55.0"},"reference-count":31,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2024,10,8]],"date-time":"2024-10-08T00:00:00Z","timestamp":1728345600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["81972750"],"award-info":[{"award-number":["81972750"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["82373069"],"award-info":[{"award-number":["82373069"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"name":"The Guangdong Basic and Applied Basic Research Foundation","award":["2024A1515011089"],"award-info":[{"award-number":["2024A1515011089"]}]},{"name":"The Guangdong Basic and Applied Basic Research Foundation","award":["2022A1515220130"],"award-info":[{"award-number":["2022A1515220130"]}]},{"name":"Guangzhou Science and Technology Plan Project","award":["2024A04J6489"],"award-info":[{"award-number":["2024A04J6489"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n               <jats:title>Background<\/jats:title>\n               <jats:p>Hepatocellular carcinoma (HCC) is a common malignant tumor with high morbidity and mortality. Alpha-fetoprotein (AFP) is the most widely used diagnostic serum biomarker, but it still has limited accuracy in detecting HCC, suggesting the necessity of seeking more ideal biomarkers with high sensitivity and specificity. Soluble growth stimulation gene 2 (sST2) form of growth stimulating expression gene 2 (ST2), is expressed in various organs and can bind competitively to interleukin 33 (IL-33). Whether sST2 can serve as a serum biomarker for HCC is largely unknown.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Objective<\/jats:title>\n               <jats:p>To investigate the value of sST2 as a serum diagnostic marker for HCC.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Methods<\/jats:title>\n               <jats:p>This study included 93 newly diagnosed HCC patients (HCC group), 90 chronic hepatitis B patients (CHB group), and 90 healthy individuals (HCs group). Spearman correlation analysis was used to explore the relationships between sST2 and the experimental indicators in HCC group. The receiver operating characteristic (ROC) curve evaluated the efficacy of sST2 alone or in combination with AFP in the diagnosis of HCC.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Result<\/jats:title>\n               <jats:p>The median level of sST2 was significantly higher in HCC group (24.00 [15.20-49.90] ng\/mL) compared to CHB group (19.55 [15.23-24.95] ng\/mL) and HCs group (7.65 [5.20-10.53] ng\/mL). No significant correlations were found between sST2 and other clinical indicators in HCC group. The Area Under Curve (AUC) of ROC curve to distinguish HCC patients from healthy controls and CHB group was 0.861 (sensitivity 82.80%, specificity 72.10%) and 0.709 (sensitivity 80.60%, specificity 52.50%), respectively. When combined with AFP, the AUC increased to 0.963 (sensitivity 82.90%, specificity 94.20%), and 0.895 (sensitivity 72.0%, specificity 100%), respectively.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Conclusions<\/jats:title>\n               <jats:p>The serum level of sST2 increased in HCC and its diagnostic performance is comparable to that of AFP, supporting its potential as a promising biomarker for detection of HCC. The combined use of sST2 and AFP enhances diagnostic efficacy for HCC.<\/jats:p>\n            <\/jats:sec>","DOI":"10.7717\/peerj.18142","type":"journal-article","created":{"date-parts":[[2024,10,8]],"date-time":"2024-10-08T07:59:02Z","timestamp":1728374342000},"page":"e18142","source":"Crossref","is-referenced-by-count":4,"title":["Assessment of combined serum sST2 and AFP levels in the diagnosis of hepatocellular carcinoma"],"prefix":"10.7717","volume":"12","author":[{"given":"Xiuxin","family":"Tang","sequence":"first","affiliation":[{"name":"Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University,  Guangzhou, Guangdong, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University,  Guangzhou, Guangdong, China"},{"name":"Department of Laboratory Medicine, Guangxi Hospital Division 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