{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T08:45:45Z","timestamp":1781945145724,"version":"3.54.5"},"reference-count":52,"publisher":"Frontiers Media SA","issue":"2","license":[{"start":{"date-parts":[[2012,2,1]],"date-time":"2012-02-01T00:00:00Z","timestamp":1328054400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Exp Biol Med (Maywood)"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:p>As serine and cysteine proteinase inhibitors, serpins, such as SERPINB5, cause ovarian, colorectal and pancreatic adenocarcinomas. We identified SERPINB11 as a novel estrogen-induced gene in chickens during oviduct development. The chicken is a unique animal model for research on human ovarian cancer, because it spontaneously develops epithelial cell-derived ovarian cancer as in women. Therefore, this study investigated the expression pattern, CpG methylation status, and miRNA regulation of the SERPINB11 gene in normal and cancerous ovaries from chickens. Our results indicate that SERPINB11 is most abundant in the glandular epithelium of endometrioid adenocarcinoma of cancerous, but not normal, ovaries of hens. In addition, bisulfite sequencing revealed that about 30% of \u2212110 CpG sites are methylated in ovarian cancer cells, whereas \u2212110 CpG sites are demethylated in normal ovarian cells. Next, we determined whether miR-1582 influences SERPINB11 expression via its 3\u2032UTR and found that it does not directly target the 3\u2032UTR of SERPINB11 mRNA. Therefore, it is unlikely that post-transcriptional regulation influences SERPINB11 expression in the chicken ovary. On the other hand, in human ovarian cancer cells such as OVCAR-3, SKOV-3 and PA-1 cells, immunoreactive SERPINB11 protein was predominant in the cytoplasm and had a similar expression pattern to that in chicken ovarian cancer cells. Collectively, these results suggest that SERPINB11 is a biomarker for chicken ovarian endometrioid carcinoma that could be used for diagnosis and monitoring effects of therapies for the disease in women.<\/jats:p>","DOI":"10.1258\/ebm.2011.011250","type":"journal-article","created":{"date-parts":[[2012,1,31]],"date-time":"2012-01-31T02:04:51Z","timestamp":1327975491000},"page":"150-159","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":26,"title":["Avian\n                    <i>SERPINB11<\/i>\n                    gene: a marker for ovarian endometrioid cancer in chickens"],"prefix":"10.3389","volume":"237","author":[{"given":"Whasun","family":"Lim","sequence":"first","affiliation":[{"name":"WCU Biomodulation Major, Department of Agricultural Biotechnology, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-921, 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