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Freeze-drying in Mouse Spermatozoa OAK
川瀬, 洋介; 鈴木, 宏志; SUZUKI, Hiroshi.
現在,液体窒素を用いた精子の凍結保存法が積極的に利用されている.しかしながら,凍結精子の保存・輸送には様々な問題が存在し,これらの問題点を解決すべく,液体窒素を利用しない次世代の精子の保存・輸送方法として,凍結乾燥が注目されている.運動能をもたない凍結乾燥された精子においても,卵細胞質内精子注入法(ICSI)を利用することで凍結乾燥精子由来の産子を得ることが可能であることから,遺伝子資源の保存に凍結乾燥精子を利用することへの期待が高まっている.従って,凍結乾燥精子の数十年,数百年といった長期保存の可能性の保証や凍結乾燥精子を比較的高い温度で長期保存可能な凍結乾燥条件を見出すことが重要な課題である.最近,これらの課題を克服するために,医薬品の安定性を速度論的に考察するのに利用されている「アレニウスプロット」を用いた加速試験を応用することによって,凍結乾燥精子の長期保存性の予測が実現化された.
Palavras-chave: マウス; 凍結乾燥精子; ICSI; 加速試験; 真空度.
Ano: 2005 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4188
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Freeze-drying Spermatozoa in Mice OAK
鈴木, 宏志; 川瀬, 洋介.
Cryopreservation of mouse spermatozoa has been widely applied for maintenance of genetically modified mouse strains. Although cryopreservation of mouse spermatozoa is simpler, less time-consuming, and less costly than of embryos for preservation of the genetic materials, maintenance of cryopreserved spermatozoa still has a high running cost because of the need for a constant supply of liquid nitrogen. In 1998, it has been reported that freeze-dried mouse spermatozoa are capable of participating in normal embryonic development after injection into oocytes, and so they have attracted a great deal of attention as storable gene resources. However, attempts of freeze-dry spermatozoa are not new. Successful conception and full-term development using freeze-dried...
Palavras-chave: Mice; Freese-drying; Spermatozoa; マウス; 凍結乾燥; 精子.
Ano: 2008 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4510
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第15回国際獣医放射線学会(15th International Veterinary Radiology Association Meeting)での研究発表 OAK
三好, 雅史.
Palavras-chave: CT; 体表面積; マウス.
Ano: 2010 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2867
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