{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T11:12:20Z","timestamp":1790507540218,"version":"4.1.0"},"reference-count":41,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2014,7,26]],"date-time":"2014-07-26T00:00:00Z","timestamp":1406332800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Indoleamine 2,3-dioxygenase (IDO) suppresses adaptive immunity by inhibiting T-cell proliferation and altering glucose metabolism. The tumor suppressor p53 also alters these cellular processes with similar results. The effect of IDO on p53 and on glucose metabolism was evaluated in alloreactive T cells. Mixed-lymphocyte reactions (MLRs) were performed in the presence or not of the IDO inhibitor, 1-dl-methyl-tryptophan (1-MT) and\/or the p53 inhibitor, pifithrin-\u03b1 (PFT). Cell proliferation, glucose consumption and lactate production were assessed. 1-MT increased cell proliferation, glucose influx and lactate production, whereas PFT enhanced cell proliferation and glucose influx, leaving lactate production unaffected. In MLR-derived T cells, protein analysis revealed that IDO activated general control non-derepressible 2 kinase and induced p53, p-p53 (p53 phosphorylated at serine 15) and p21. In addition, both IDO and p53 decreased glucose transporter 1 and TP53-induced glycolysis and apoptosis regulator and increased synthesis of cytochrome c oxidase 2. IDO also reduced lactate dehydrogenase-A and glutaminase 2 levels, whereas p53 left them unaffected. Neither 1-MT nor PFT affected glucose-6-phosphate dehydrogenase. In conclusion, in alloreactive T cells, IDO increases p53 levels, and both IDO and p53 inhibit cell proliferation, glucose consumption and glycolysis. Lactate production and glutaminolysis are also suppressed by IDO, but not by p53.<\/jats:p>","DOI":"10.1093\/intimm\/dxu077","type":"journal-article","created":{"date-parts":[[2014,7,27]],"date-time":"2014-07-27T00:59:38Z","timestamp":1406422778000},"page":"673-684","source":"Crossref","is-referenced-by-count":46,"title":["Indoleamine 2,3-dioxygenase increases p53 levels in alloreactive human T cells, and both indoleamine 2,3-dioxygenase and p53 suppress glucose uptake, glycolysis and proliferation"],"prefix":"10.1093","volume":"26","author":[{"given":"Theodoros","family":"Eleftheriadis","sequence":"first","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georgios","family":"Pissas","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georgia","family":"Antoniadi","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aginor","family":"Spanoulis","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vassilios","family":"Liakopoulos","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioannis","family":"Stefanidis","sequence":"additional","affiliation":[{"name":"Department of Nephrology, Medical School, University of Thessaly , Neo Ktirio, Mezourlo Hill, 41110 Larissa , Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2014,7,26]]},"reference":[{"key":"2022073002595732800_CIT0001","doi-asserted-by":"crossref","first-page":"2167","DOI":"10.1016\/j.biocel.2007.01.004","article-title":"Molecules in focus: indoleamine 2,3-dioxygenase","volume":"39","author":"King","year":"2007","journal-title":"Int. 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