{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,22]],"date-time":"2025-11-22T03:33:42Z","timestamp":1763782422332,"version":"3.45.0"},"reference-count":44,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T00:00:00Z","timestamp":1759104000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01AA011591"],"award-info":[{"award-number":["R01AA011591"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Alcohol, Clinical and Experimental Research"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>We have recently shown that estrogen\u2010induced prolactin\u2010secreting pituitary tumors are aggressive in prenatal alcohol\u2010exposed female rats. In this study, we investigated whether similar tumor aggressiveness occurs in estrogen\u2010treated prenatal alcohol\u2010exposed male rats.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Pregnant Fischer 344 rats were fed from gestational days 7 and 21 with a liquid diet containing ethanol 6.7% v\/v (AF), pair\u2010fed with an isocaloric liquid diet (PF), or fed chow ad\u00a0libitum (AD). Alcohol\u2010fed dams exhibited a blood alcohol concentration of 120\u2013150\u2009mg\/dL 2\u2009h after the last feeding. Male offspring were orchiectomized at 60\u2009days of age and implanted subcutaneously with estradiol implants. Four months after the estradiol implants, rats were sacrificed, and pituitary tumor tissues were collected. Tumor cells were isolated and cultured for analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Pituitary tumor cells from AF males exhibited stem\u2010like cell properties and showed elevated expression of stem cell regulatory genes and proteins (SOX\u20102, OCT\u20104, KLF4, SNAIL\u20101, and Nestin), tumor aggressiveness markers (MMP\u20109, CD44, CD34, PTTG, FGFR4, Ki\u201067, N\u2010Cadherin), and prolactin compared to those from AD and PF controls. AF cells also had a higher cell proliferation rate, increased invasiveness, and colony formation compared to those in AD and PF cells, indicating more aggressive cancer cells than control cells. Notably, AF cells had a higher expression of developmental pluripotency\u2010associated 4 (Dppa4), a gene we recently identified as upregulated in aggressive tumors and in fetal alcohol\u2010exposed animals.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These findings are consistent with our previous observations in estrogen\u2010treated AF female rats. These results support the hypothesis that prenatal alcohol exposure programs the pituitary epithelium toward a mesenchymal stem cell\u2010like phenotype, contributing to the development of aggressive pituitary prolactinomas in both sexes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/acer.70169","type":"journal-article","created":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T07:38:36Z","timestamp":1759131516000},"page":"2461-2469","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prenatal alcohol exposure increases the aggressiveness of estrogen\u2010induced pituitary tumors in male rats"],"prefix":"10.1111","volume":"49","author":[{"given":"Shaista","family":"Chaudhary","sequence":"first","affiliation":[{"name":"Endocrinology Program Rutgers, The State University of New Jersey  New Brunswick New Jersey USA"},{"name":"Department of Animal Sciences Rutgers, The State University of New Jersey  New 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