{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T05:33:30Z","timestamp":1761716010436,"version":"build-2065373602"},"reference-count":62,"publisher":"CSIRO Publishing","issue":"3","license":[{"start":{"date-parts":[[2025,5,27]],"date-time":"2025-05-27T00:00:00Z","timestamp":1748304000000},"content-version":"vor","delay-in-days":3975,"URL":"https:\/\/doi.org\/10.1071\/journalslicense"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,1,13]]},"abstract":"<jats:p>We compared the nuclear maturation status and gene-expression profiles of canine cumulus cells (CCs) derived from cumulus\u2013oocyte complexes (COCs) that were spontaneously ovulated versus those that were matured in vitro. Cumulus\u2013oocyte complexes were retrieved from uteri by surgical flushing (after spontaneous ovulation) or by ovariectomy follicle aspiration and in vitro maturation. The objective of Experiment 1 was to investigate the nuclear maturation status of in vivo- versus in vitro-matured oocytes. The objective of Experiment 2 was to compare gene-expression profiles of CCs derived from in vivo- versus in vitro-matured COCs. Genes analysed are related to cell maturation, development and apoptosis, including GDF9, MAPK1, PTX3, CX43, Bcl2 and BAX; mRNA expression for all of these genes, except for GDF9, differed (P &amp;lt; 0.05) between in vivo- and in vitro-matured CCs. In conclusion, we found that gene-expression profiles are related to the quality of CCs and therefore posit that monitoring gene expression could be a useful strategy to guide attempts to improve in vitro culture systems.<\/jats:p>","DOI":"10.1071\/rd14086","type":"journal-article","created":{"date-parts":[[2014,7,8]],"date-time":"2014-07-08T20:35:36Z","timestamp":1404851736000},"page":"278-285","source":"Crossref","is-referenced-by-count":6,"title":["Differential gene-expression profiles from canine cumulus cells of ovulated versus in vitro-matured oocytes"],"prefix":"10.1071","volume":"28","author":[{"given":"Su-Jin","family":"Cho","sequence":"first","affiliation":[{"name":"ADepartment of Animal Science, Division of Applied Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."},{"name":"BInstitute of Agriculture and Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."},{"name":"EPresent address: Department of Infertility Institute Clinical Laboratory, Saewha Hospital, Busan 607-843, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyeong-Lim","family":"Lee","sequence":"additional","affiliation":[{"name":"ADepartment of Animal Science, Division of Applied Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu-Gon","family":"Kim","sequence":"additional","affiliation":[{"name":"ADepartment of Animal Science, Division of Applied Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong-Hoon","family":"Kim","sequence":"additional","affiliation":[{"name":"CAnimal Biotechnology Division, National Institute of Animal Science, Suwon 441-706, Gyeonggi-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jae-Gyu","family":"Yoo","sequence":"additional","affiliation":[{"name":"DDairy Science Division, National Institute of Animal Science, Cheonan 331-801, Chungcheongnam-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byoung-Chul","family":"Yang","sequence":"additional","affiliation":[{"name":"CAnimal Biotechnology Division, National Institute of Animal Science, Suwon 441-706, Gyeonggi-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin-Ki","family":"Park","sequence":"additional","affiliation":[{"name":"CAnimal Biotechnology Division, National Institute of Animal Science, Suwon 441-706, Gyeonggi-Do, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Il-Keun","family":"Kong","sequence":"additional","affiliation":[{"name":"ADepartment of Animal Science, Division of Applied Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."},{"name":"BInstitute of Agriculture and Life Science, Gyeongsang National University, Jinju 660-701, Gyeongsangnam-Do, Republic of Korea."},{"name":"FCorresponding author. 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