{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T06:22:17Z","timestamp":1787898137019,"version":"build-2784847793"},"reference-count":28,"publisher":"The Endocrine Society","issue":"8","license":[{"start":{"date-parts":[[2022,4,29]],"date-time":"2022-04-29T00:00:00Z","timestamp":1651190400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"name":"Swedish government and the County Councils","award":["ALFGBG-719531"],"award-info":[{"award-number":["ALFGBG-719531"]}]},{"name":"Swedish government and the County Councils","award":["ALFGBG-772591"],"award-info":[{"award-number":["ALFGBG-772591"]}]},{"name":"Swedish government and the County Councils","award":["ALFGBG-966066"],"award-info":[{"award-number":["ALFGBG-966066"]}]},{"DOI":"10.13039\/501100002794","name":"Swedish Cancer Society","doi-asserted-by":"publisher","award":["21 1774 Pj"],"award-info":[{"award-number":["21 1774 Pj"]}],"id":[{"id":"10.13039\/501100002794","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007687","name":"Swedish Society of Medicine","doi-asserted-by":"publisher","award":["SLS-884901"],"award-info":[{"award-number":["SLS-884901"]}],"id":[{"id":"10.13039\/501100007687","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,7,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Context<\/jats:title>\n                    <jats:p>Tumor progression in surgically treated patients with nonfunctioning pituitary adenomas (NFPAs) is associated with excess mortality. Reliable biomarkers allowing early identification of tumor progression are missing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To explore DNA methylation patterns associated with tumor progression in NFPA patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This case-controlled exploratory trial at a university hospital studied patients who underwent surgery for NFPA that had immunohistochemical characteristics of a gonadotropinoma. Cases included patients requiring reintervention due to tumor progression (reintervention group, n\u2005=\u200526) and controls who had a postoperative residual tumor without tumor progression for at least 5 years (radiologically stable group, n\u2005=\u200517). Genome-wide methylation data from each tumor sample were analyzed using the Infinium MethylationEPIC BeadChip platform.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The analysis showed that 605 CpG positions were significantly differently methylated (differently methylated positions, DMPs) between the patient groups (false discovery rate adjusted P value\u2005&amp;lt;\u20050.05, beta value\u2005&amp;gt;\u20050.2), mapping to 389 genes. The largest number of DMPs were detected in the genes NUP93 and LGALS1. The 3 hypomethylated DMPs and the 3 hypermethylated DMPs with the lowest P values were all significantly (P\u2005&amp;lt;\u20050.05) and individually associated with reintervention-free survival. One of the hypermethylated DMPs with the lowest P value was located in the gene GABRA1.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In this exploratory study, DNA methylation patterns in NFPA patients were associated with postoperative tumor progression requiring reintervention. The DMPs included genes that have been previously associated with tumor development. Our study is a step toward finding epigenetic signatures to predict tumor progression in patients with NFPA.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1210\/clinem\/dgac266","type":"journal-article","created":{"date-parts":[[2022,4,29]],"date-time":"2022-04-29T08:19:39Z","timestamp":1651220379000},"page":"2318-2328","source":"Crossref","is-referenced-by-count":19,"title":["Genome-wide DNA Methylation Differences in Nonfunctioning Pituitary Adenomas With and Without Postsurgical Progression"],"prefix":"10.1210","volume":"107","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3628-7686","authenticated-orcid":false,"given":"Tobias","family":"Hall\u00e9n","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Sahlgrenska University Hospital , 413 45 Gothenburg , Sweden"},{"name":"Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg , 405 30 Gothenburg , 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