{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T23:04:07Z","timestamp":1762211047082,"version":"3.41.2"},"reference-count":27,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T00:00:00Z","timestamp":1698364800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82170902"],"award-info":[{"award-number":["82170902"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Eur J Clin Investigation"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Growth hormone\u2010secreted pituitary adenoma (GHPA) is a prominent subtype of pituitary adenoma (PA) associated with progressive somatic disfigurement, various complications, and elevated mortality rates. Existing treatment options have limited efficacy, highlighting the urgent need for novel pharmacological interventions. Previous studies have revealed that sphingosine kinase 1 (SphK1)\/sphingosine\u20101\u2010phosphate (S1P)\/S1P receptors (S1PRs) signalling have critical roles in the tumour microenvironment, but their role in GHPA remains unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed integrative analyses including bioinformatics analyses, functional studies, and clinical validation to investigate the pathological roles of SPHK1\/S1P and evaluated the effectiveness of the S1P receptor 2 (S1PR2) inhibitor JTE\u2010013 in GHPA treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>SPHK1\/S1P signalling is abnormally expressed in patients with GHPA. Knockdown of SPHK1 suppresses S1P\u2010mediated cell proliferation in GH3 Cells. Mechanistically, S1P inhibits apoptosis and autophagy while promoting the secretion of Growth Hormone (GH) by binding to the S1P receptor subtype 2 (S1PR2) in GH3 cells. Moreover, the function of S1PR2 in GH3 cells is mediated by the downstream Akt\u2010Creb pathway. We then identify the S1PR2 as a novel target for therapeutic intervention in GHPA. Systemic administration of the potent and selective S1PR2 antagonist, JTE\u2010013, significantly reduces both tumour size and GH secretion. Importantly, we identify preoperative serum S1P levels as a biomarker predicting poor prognosis in GHPA patients at follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our study shows that blocking SPHK1\/S1P\/S1PR2 axis can ameliorate the progression of GHPA, providing evidence of a promising therapeutic target for GHPA.<\/jats:p><\/jats:sec>","DOI":"10.1111\/eci.14117","type":"journal-article","created":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T12:10:34Z","timestamp":1698408634000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Targeting the SPHK1\/S1P\/S1PR2 axis ameliorates GH\u2010secreted pituitary adenoma progression"],"prefix":"10.1111","volume":"54","author":[{"given":"Heng","family":"Sun","sequence":"first","affiliation":[{"name":"Department of Endocrinology, Endocrinology Research Center Xiangya Hospital of Central South University  Hunan Changsha China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Biao","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, Endocrinology Research Center Xiangya Hospital of Central South University  Hunan Changsha China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chunli","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, Endocrinology Research Center Xiangya Hospital of Central South University  Hunan Changsha China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-3580-1200","authenticated-orcid":false,"given":"Tiejian","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, Endocrinology Research Center Xiangya Hospital of Central South University  Hunan Changsha China"},{"name":"National Clinical Research Center for Geriatric Disorders Xiangya Hospital of Central South University  Hunan Changsha 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