{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T11:45:25Z","timestamp":1777895125261,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T00:00:00Z","timestamp":1722816000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["Research on Development of New Drugs [Project ID:"],"award-info":[{"award-number":["Research on Development of New Drugs [Project ID:"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Lab Anim"],"abstract":"<jats:p>\n                    Niemann\u2013Pick disease type C (NPC) is a lethal genetic disease with mutations in NPC1 or NPC2 gene. Npc1-deficient ( Npc1\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    ) mice have been used as a model for NPC pathogenesis to develop novel therapies for NPC. However, Npc1\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    mice are infertile; thus, securing sufficient numbers for translational research is difficult. Hence, we attempted reproductive engineering techniques such as in vitro fertilization (IVF) and sperm cryopreservation. For the first time, we succeeded in producing fertilized oocytes via IVF using male and female Npc1\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    mice. Fertilized oocytes were also obtained via IVF using cryopreserved sperm from Npc1\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    mice. The obtained fertilized oocytes normally developed into live pups via embryo transfer, and they eventually exhibited NPC pathogenesis. These findings are useful for generating an efficient breeding system that overcomes the reproductive challenges of Npc1\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    mice and will contribute to developing novel therapeutic methods using NPC model mice.\n                  <\/jats:p>","DOI":"10.1177\/00236772231194112","type":"journal-article","created":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T14:55:18Z","timestamp":1722869718000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Efficient breeding system of infertile Niemann\u2013Pick disease type C model mice by in vitro fertilization and embryo transfer"],"prefix":"10.1177","author":[{"given":"Serina","family":"Kuroshima","sequence":"first","affiliation":[{"name":"Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University, Japan"},{"name":"Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satohiro","family":"Nakao","sequence":"additional","affiliation":[{"name":"Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuka","family":"Horikoshi","sequence":"additional","affiliation":[{"name":"Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kotono","family":"Ito","sequence":"additional","affiliation":[{"name":"Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akira","family":"Ishii","sequence":"additional","affiliation":[{"name":"Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aina","family":"Shirakawa","sequence":"additional","affiliation":[{"name":"Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuki","family":"Kondo","sequence":"additional","affiliation":[{"name":"Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tetsumi","family":"Irie","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Packaging Technology, Faculty of Life Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoichi","family":"Ishitsuka","sequence":"additional","affiliation":[{"name":"Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naomi","family":"Nakagata","sequence":"additional","affiliation":[{"name":"Division of Reproductive Biotechnology and Innovation, Center for Animal Resources and Development, Kumamoto University, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8103-651X","authenticated-orcid":false,"given":"Toru","family":"Takeo","sequence":"additional","affiliation":[{"name":"Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University, 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