JP2010045980A - 胚培養容器 - Google Patents
胚培養容器 Download PDFInfo
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- JP2010045980A JP2010045980A JP2008210756A JP2008210756A JP2010045980A JP 2010045980 A JP2010045980 A JP 2010045980A JP 2008210756 A JP2008210756 A JP 2008210756A JP 2008210756 A JP2008210756 A JP 2008210756A JP 2010045980 A JP2010045980 A JP 2010045980A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
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- C12M23/12—Well or multiwell plates
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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Abstract
【解決手段】胚を収容して培養するためのウェル2を有する胚培養容器1であって、ウェル内壁面の多孔度が低く、ウェル2の内外で実質的に物質交換できない容器。この胚培養容器1は、例えば、熱硬化性のポリジメチルシロキサンを減圧下で加熱・成形することによって製造できる。
【選択図】図1
Description
Nagao Y, Iijima R and Saeki K. Interaction between embryos and culture conditions during in vitro development of bovine early embryos. Zygote. 2008;16: 127-133. Vajta G, Peura TT, Holm P, Paldi A, Greve T, Trounson AO, Callesen H. New method for culture of zona-included or zona-free embryos: the Well of the Well (WOW) system. Mol Reprod Dev. 2000; 55: 256-264.
PDMSW-APとPDMSW-LPは母型を利用して作製した。母型は以下のようにして作製した。まず、片面研磨した3インチのシリコンウェハ上にネガ型厚膜フォトレジスト(SU-8 3050、化薬マイクロケム製)を1インチ角あたり1ml載せ、スピンコーター(1H-D7、MIKASA製)により2000rpmで5秒間コーティングした。定温乾燥炉(DO-300FPA、アズワン製)により90℃で40分間ソフトベーキングし、フォトレジストから溶媒を除去した。
体外受精及び体外受精胚の培養は、下記のSaekiらによる文献1及び2、Brackettらによる文献に従って、以下の(1)から(4)に記載の手順に沿って行った。
Saekiらによる文献1:Saeki K, Hoshi M, Leibfried-Rutledge ML, First NL. In vitro fertilization and development of bovine oocytes matured in serum-free medium. Biol Reprod. 1991; 44: 256-260.
Saekiらによる文献2:Saeki K, Nagao Y, Kishi M, Nagai M, Iritani A. Timing of completion of the first meiotic division in bovine oocytes after maintenance of meiotic arrest with cycloheximide and their subsequent development. J Vet Med Sci. 1998; 60: 523-526.
Brackettらによる文献:Brackett BG, and Oliphant G. Capacitation of rabbit spermatozoa in vitro. Biol Reprod. 1975; 12: 260-274
食肉処理場で採取したウシ卵巣を25℃の生理食塩水で保温しながら実験室に持ち帰った。持ち帰ったウシ卵巣から、21G注射針(テルモ製)を装着した10mlシリンジ(テルモ製)を使用して、直径2-8mmの卵胞内から卵丘卵子複合体(以下、COCsと省略する。)を吸引採取した。採取したCOCsから、緊密な卵丘細胞層が3層以上付着したCOCsのみを選別したのち、5%牛胎子血清(Bio West製。以下、FBSと省略する。)を含む199培地(Earle塩、GIBCO製)中で21時間体外成熟培養した(5%CO2、95%空気、39℃、飽和湿度)。
黒毛和種の凍結精液を融解し、この凍結精液融解液を45%及び90%パーコール溶液の入った遠心管に積層したのち、25℃、700xgで30分間遠心して、正常精子と不良精子を分離した(不連続密度勾配法)。上清を除去したのち、沈殿した正常精子を受精用培養液に浮遊させ、25℃、700xgで10分間遠心することにより精子を洗浄した。
21時間体外成熟培養したCOCsを、流動パラフィン下の10μg/mlへパリンを含む修正DMにより2×106精子/mlまで希釈した精子懸濁液に導入して18時間培養(39℃、5%CO2、95%空気、飽和湿度)することにより、受精させた。培養後、卵子に付着した精子および卵丘細胞を卵子直径に加工したパスツールピペットを使用して剥離除去した。
得られた胚を修正合成卵管液培養液(以下、mSOFMと省略する。)内に導入して、使用するマイクロプレートに応じて、以下に示す方法で受精後168時間まで培養した(39℃、5%CO2、5%O2、90%N2、飽和湿度)。
実体顕微鏡を使用して受精してから48時間後に胚を観察して卵割した胚の数を数えて卵割率を計算し、同様に受精168時間後に胚を観察して発生した胚盤胞期胚を数えて発生率を調べた。その結果を表1に示す。なお、表1は同一の実験を3回行った結果をまとめたものである。
Thouasらの文献:Thouas GA, Korfiatis NA, French AJ, Jones GM, Trounson AO. Simplified technique for differential staining of inner cell mass and trophectoderm cells of mouse and bovine blastocysts. Reprod Biomed Online. 2001; 3: 25-29.
Claims (5)
- 胚を収容して培養するためのウェルを有する胚培養容器であって、ウェル内壁面の多孔度が低く、ウェルの内外で実質的に物質交換ができない胚培養容器。
- 請求項1に記載の胚培養容器であって、合成樹脂を減圧下で成形してなる胚培養容器。
- 合成樹脂が熱硬化性樹脂である請求項2に記載の胚培養容器。
- 熱硬化性樹脂がシリコーン樹脂である請求項3に記載の胚培養容器。
- シリコーン樹脂が、ポリジメチルシロキサンである請求項4に記載の胚培養容器。
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| JP2008210756A JP5406481B2 (ja) | 2008-08-19 | 2008-08-19 | 胚培養容器 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966581A (zh) * | 2017-11-03 | 2018-04-27 | 同济大学 | 一种斑马鱼胚胎微孔板排列添加装置 |
| CN110042057A (zh) * | 2019-05-07 | 2019-07-23 | 遵义医学院附属医院 | 一种用于体外精液收集及胚胎培养的装置 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63233777A (ja) * | 1987-03-24 | 1988-09-29 | Sumitomo Electric Ind Ltd | 細胞培養器 |
| JPH01264948A (ja) * | 1988-04-15 | 1989-10-23 | Mitsubishi Kasei Corp | ケイ酸カルシウム成形体 |
| JPH10100168A (ja) * | 1996-10-02 | 1998-04-21 | Tokai Denka Kogyo Kk | 半導電性ポリエステル樹脂製シームレスベルト |
| JP2002528302A (ja) * | 1998-10-30 | 2002-09-03 | ザ、プロクター、エンド、ギャンブル、カンパニー | 改善された親水性勾配を示す吸収製品のためのトップシートシステム |
| JP2005536214A (ja) * | 2002-08-22 | 2005-12-02 | セルトラン リミテッド | 細胞培養表面 |
| JP2006098337A (ja) * | 2004-09-30 | 2006-04-13 | Shin Etsu Polymer Co Ltd | マルチウェルプレート及びその製造方法 |
| JP2007051233A (ja) * | 2005-08-19 | 2007-03-01 | Daicel Polymer Ltd | 帯電防止性及び透明性を有する熱可塑性樹脂組成物 |
| WO2007047825A2 (en) * | 2005-10-18 | 2007-04-26 | The Regents Of The University Of Michigan | Microfluidic cell culture device and method for using same |
-
2008
- 2008-08-19 JP JP2008210756A patent/JP5406481B2/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63233777A (ja) * | 1987-03-24 | 1988-09-29 | Sumitomo Electric Ind Ltd | 細胞培養器 |
| JPH01264948A (ja) * | 1988-04-15 | 1989-10-23 | Mitsubishi Kasei Corp | ケイ酸カルシウム成形体 |
| JPH10100168A (ja) * | 1996-10-02 | 1998-04-21 | Tokai Denka Kogyo Kk | 半導電性ポリエステル樹脂製シームレスベルト |
| JP2002528302A (ja) * | 1998-10-30 | 2002-09-03 | ザ、プロクター、エンド、ギャンブル、カンパニー | 改善された親水性勾配を示す吸収製品のためのトップシートシステム |
| JP2005536214A (ja) * | 2002-08-22 | 2005-12-02 | セルトラン リミテッド | 細胞培養表面 |
| JP2006098337A (ja) * | 2004-09-30 | 2006-04-13 | Shin Etsu Polymer Co Ltd | マルチウェルプレート及びその製造方法 |
| JP2007051233A (ja) * | 2005-08-19 | 2007-03-01 | Daicel Polymer Ltd | 帯電防止性及び透明性を有する熱可塑性樹脂組成物 |
| WO2007047825A2 (en) * | 2005-10-18 | 2007-04-26 | The Regents Of The University Of Michigan | Microfluidic cell culture device and method for using same |
Non-Patent Citations (2)
| Title |
|---|
| J. BIOTECHNOL., vol. 133, JPN6013022526, January 2008 (2008-01-01), pages 231 - 238, ISSN: 0002528716 * |
| MICRO ELECTRO MECHANICAL SYSTEMS, 2008 (MEMS 2008), IEEE 21ST INTERNATIONAL CONFERENCE, TUCSON, AZ,, JPN6013022529, January 2008 (2008-01-01), pages 419 - 422, ISSN: 0002528717 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966581A (zh) * | 2017-11-03 | 2018-04-27 | 同济大学 | 一种斑马鱼胚胎微孔板排列添加装置 |
| CN107966581B (zh) * | 2017-11-03 | 2023-08-29 | 同济大学 | 一种斑马鱼胚胎微孔板排列添加装置 |
| CN110042057A (zh) * | 2019-05-07 | 2019-07-23 | 遵义医学院附属医院 | 一种用于体外精液收集及胚胎培养的装置 |
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