{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T11:28:30Z","timestamp":1781177310543,"version":"3.54.1"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2021,12,21]],"date-time":"2021-12-21T00:00:00Z","timestamp":1640044800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81502321"],"award-info":[{"award-number":["81502321"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81870964"],"award-info":[{"award-number":["81870964"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Clinically, the low expression of wild-type aryl hydrocarbon receptor-interacting protein (AIP) in patients with sporadic growth hormone (GH)-secreting pituitary adenoma (GHPA) is associated with a more aggressive phenotype. However, the mechanism by which AIP expression is regulated in GHPA remains unclear. Herein, we investigated a transcription factor that regulates AIP expression and explored its role in tumor phenotypes.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>General transcription factor IIB (GTF2B) was predicted by several bioinformatic tools to regulate AIP expression transcriptionally. Regulation by GTF2B was evaluated using chromatin immunoprecipitation (ChIP), reverse transcription PCR, luciferase reporter, and western blot experiments in SH-SY5Y cells. Furthermore, the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay, transwell invasive assay, ELISA, western blot, immunohistochemical staining, and terminal deoxynucleotidyl transferase dUTP nick end labeling were performed to investigate the effects of GTF2B and AIP on tumor cell proliferation, apoptosis, growth hormone secretion, and invasiveness in GH3 cells and mouse xenograft models. Moreover, correlations between GTF2B and AIP expression were explored in GHPA cases.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>ChIP and luciferase reporter studies demonstrated that the regulation of AIP expression by GTF2B was dependent on the intergenic-5\u2032 untranslated region element of AIP and the initial residual S65 of GTF2B. In vitro and in vivo experiments indicated that GTF2B regulated AIP expression to impact the GHPA phenotype; this was confirmed by data from 33 GHPA cases.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>We determined the regulation by GTF2B of AIP transcription in GHPA and its impact on tumor phenotype. Our findings suggest that GTF2B may be a potential therapeutic target for GHPA with low AIP expression.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/neuonc\/noab291","type":"journal-article","created":{"date-parts":[[2021,12,20]],"date-time":"2021-12-20T12:27:30Z","timestamp":1640003250000},"page":"925-935","source":"Crossref","is-referenced-by-count":16,"title":["Transcription factor GTF2B regulates AIP protein expression in growth hormone-secreting pituitary adenomas and influences tumor phenotypes"],"prefix":"10.1093","volume":"24","author":[{"given":"Feng","family":"Cai","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine , Hangzhou, Zhejiang Province , P.R. 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weiwei","family":"Liang","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, The Second Affiliated Hospital of Zhejiang University School of Medicine , Hangzhou, Zhejiang Province , P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology, The Second Affiliated Hospital of Zhejiang University School of Medicine , Hangzhou, Zhejiang Province , P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yike","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine , Hangzhou, Zhejiang Province , P.R. 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