{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,13]],"date-time":"2026-11-13T21:37:51Z","timestamp":1794605871526,"version":"4.9.1"},"reference-count":54,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,12,12]],"date-time":"2023-12-12T00:00:00Z","timestamp":1702339200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["faseb.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The FASEB Journal"],"published-print":{"date-parts":[[2024,1,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Oocyte meiotic prophase I (MI) is an important event in female reproduction. Breast cancer amplified sequence 2 (BCAS2) is a component of the spliceosome. Previous reports have shown that BCAS2 is critical in male germ cell meiosis, oocyte development, and early embryo genome integrity. However, the role of BCAS2 in oocyte meiosis has not been reported. We used\n                    <jats:italic>Stra8\u2010GFPCre<\/jats:italic>\n                    mice to knock out\n                    <jats:italic>Bcas2<\/jats:italic>\n                    in oocytes during the pachytene phase. The results of fertility tests showed that\n                    <jats:italic>Bcas2<\/jats:italic>\n                    conditional knockout (cKO) in oocytes results in infertility in female mice. Morphological analysis showed that the number of primordial follicles in the ovaries of 2\u2010month\u2010old (M) mice was significantly reduced and that follicle development was blocked. Further analysis showed that the number of primordial follicles decreased and that follicle development was slowed in 7\u2010day postpartum (dpp) ovaries. Moreover, primordial follicles undergo apoptosis, and DNA damage cannot be repaired in primary follicle oocytes. Meiosis was abnormal; some oocytes could not reach the diplotene stage, and more oocytes could not develop to the dictyotene stage. Alternative splicing (AS) analysis revealed abnormal AS of deleted in azoospermia like (\n                    <jats:italic>Dazl<\/jats:italic>\n                    ) and diaphanous related formin 2 (\n                    <jats:italic>Diaph2<\/jats:italic>\n                    ) oogenesis\u2010related genes in cKO mouse ovaries, and the process of AS was involved by CDC5L and PRP19.\n                  <\/jats:p>","DOI":"10.1096\/fj.202301234rr","type":"journal-article","created":{"date-parts":[[2023,12,12]],"date-time":"2023-12-12T19:38:59Z","timestamp":1702409939000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["<scp>BCAS2<\/scp>\n                    regulates oocyte meiotic prophase I by participating in\n                    <scp>mRNA<\/scp>\n                    alternative splicing"],"prefix":"10.1096","volume":"38","author":[{"given":"Xiaohong","family":"Yao","sequence":"first","affiliation":[{"name":"State 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