JPH05504682A - 一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法 - Google Patents
一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法Info
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- JPH05504682A JPH05504682A JP3503312A JP50331291A JPH05504682A JP H05504682 A JPH05504682 A JP H05504682A JP 3503312 A JP3503312 A JP 3503312A JP 50331291 A JP50331291 A JP 50331291A JP H05504682 A JPH05504682 A JP H05504682A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.通常転写的に不活性な遺伝子を、その遺伝子の遺伝子生成物の細胞系又は微 生物内での発現を可能にするためにその細胞系又は微生物のゲノム内で活性化す るための方法であって、相同的組換えにより前記ゲノム中にDNA構造体を挿入 することを含んで成り、前記DNA構造体は、それに操作的に結合される場合、 前記遺伝子の発現を刺激することができるDNA調節セグメント及び前記遺伝子 内の又はそれに最つとも近い前記ゲノムの領域に相同のDNA標的決定セグメン トを含んで成り、ここで前記調節セグメントが対象の前記遺伝子に操作的に結合 されるように前記構造体が挿入されることを特徴とする方法。 2.前記DNA構造体が、前記遺伝子内の又はそれに最っとも近い前記ゲノムの 領域にそれぞれ相同の2種のDNA標的決定セグメントを含んで成り、前記標的 決定セグメントの1つは前記調節セグメントの上流に存在し、そして他は前記調 節セグメントの下流に存在する請求の範囲第1,21又は22項記載の方法。 3.前記DNA構造体が、前記調節セグメントと共に挿入されるように配置され た少なくとも1種の発現可能な選択可能マーカー遺伝子をさらに含んで成る請求 の範囲第1,2又は21項記載の方法。 4.前記DNA構造体が、前記構造体が相同的組換えにより正しく挿入される場 合、挿入されないように前記標的決定セグメントに関して配置される負の選択可 能マーカー遺伝子をさらに含んで成り、それによって前記負の選択可能マーカー は、前記DNA構造体が正しく挿入される細胞において発現されない請求の範囲 第1,2,3,21,22又は23項記載の方法。 5.前記DNA構造体が、前記調節セグメントと共に挿入されるように配置され た発現可能な増幅可能遺伝子をさらに含んで成る請求の範囲第1,2,3,4又 は21項記載の方法。 6.前記細胞系又は微生物が真核細胞系である請求の範囲第1,2,3,4,5 ,21,22又は23項記載の方法。 7.前記細胞系又は微生物が動物細胞系である請求の範囲第6項記載の方法。 8.前記細胞系又は微生物が哺乳類細胞系である請求の範囲第6項記載の方法。 9.前記細胞系又は微生物が植物細胞系である請求の範囲第6項記載の方法。 10.さらに前記遺伝子生成物の発現を引き起こすために、前記挿入段階に続い て下記段階; 前記選択可能マーカー遺伝子の生成物を発現する前記細胞系又は微生物のクロー ンを選択し; 前記遺伝子生成物の発現を可能にするのに十分な条件下で前記選択されたクロー ンを培養し;そして前記遺伝子生成物を集める段階をさらに含む請求の範囲第3 項記載の方法。 11.前記選択可能マーカー遺伝子がネオマイシン耐性遺伝子であり、そして前 記選択段階がネオマイシン耐性を有するそれらのクローンを選択することを含ん で成る請求の範囲第10項記載の方法。 12.前記DNA構造体が、前記構造体が相同的組換えにより正しく挿入される 場合、挿入されないように前記標的決定セグメントに関して配置される負の選択 可能マーカー遺伝子をさらに含んで成り、それによって前記負の選択可能マーカ ーは、前記DNA構造体が正しく挿入される細胞において発現されない請求の範 囲第10又は11項記載の方法。 13.前記負の選択可能マーカー遺伝子がヘルペス単純ウィルスのチミジンキナ ーゼ遺伝子であり、そして前記選択段階が前記遺伝子を発現する細胞を殺害する 培地への暴露に対して生存するそれらのクローンを選択することを包含する請求 の範囲第12項記載の方法。 14.予定されたDNA配列により特徴づけられる挿入部位で天然に存在する遺 伝子により操作的に結合されるDNA調節セグメントを有するゲノムであって、 前記DNA調節セグメントがゲノムにおける前記位置で天然に存在しないことを 特徴とするゲノム。 15.細胞系又は微生物のゲノム内で通常転写的に不活性な遺伝子により遺伝子 生成物を発現することができる細胞系又は微生物であって、前記ゲノムが前記の 通常転写的に不活性な遺伝子により操作的に結合されるDNA調節セグメントを そこに挿入しており、前記DNA調節セグメントが前記細胞系又は微生物により 遺伝子生成物の発現を促進することができることを特徴とする細胞系又は微生物 。 16.前記DNA調節セグメントが、前記細胞系又は微生物により通常発現され る遺伝子生成物の発現を促進することができるものである請求の範囲第15又は 25項記載の細胞系又は微生物。 17.前記挿入されたDNA調節セグメントが、前記DNA調節セグメント及び 少なくとも1つの選択可能マーカー遺伝子を含んで成るDNA構造体の一部であ る請求の範囲第16項記載の細胞系又は微生物。 18.前記DNA構造体が増幅可能な遺伝子をさらに含んで成る請求の範囲第1 7項記載の細胞系又は微生物。 19.細胞系又は微生物から遺伝子生成物を得るための方法であって、前記遺伝 子生成物の発現を可能にする条件下で請求の範囲第15〜18項又は第24〜2 6項の分化された細胞系又は微生物を培養し、そして前記遺伝子生成物を集める ことを含んで成る方法。 20.予定された宿主細胞系又は微生物中への挿入のためのDNA構造体であっ て、それに操作的に結合される場合、宿主細胞系又は微生物中における遺伝子の 発現特徴を変性することができるDNA調節セグメント及び宿主細胞系又は微生 物内の予備選択された遺伝子のゲノムの領域に相同のDNA標的決定セグメント を含んで成るDNA構造体。 21.細胞系又は微生物のゲノム内での遺伝子の発現特徴を変性するための方法 であって、 相同的組換えにより前記ゲノム中にDNA構造体を挿入することを含んで成り、 前記DNA構造体は、その存在するDNA調節セグメントに比較して、それに操 作的に結合される場合、前記遺伝子の発現特徴を変性することができるDNA調 節セグメント、及び前記遺伝子内の又はそれに最っとも近い前記ゲノムの領域に 相同のDNA標的決定セグメントを含んで成り、ここで前記調節セグメントが対 象の前記遺伝子に操作的に結合されるように前記構造体が挿入されることを特徴 とする方法。 22.細胞系又は微生物のゲノム内での遺伝子の発現特徴を変性するための方法 であって、 相同的組換えにより前記ゲノム中にDNA構造体を挿入することを含んで成り、 前記構造体は、それに十分に接近して挿入される場合、前記遺伝子を変性するこ とができる発現可能な増幅可能遺伝子、及び前記遺伝子内の又はそれに最つとも 近い前記ゲノムの領域に相同のDNA標的決定セグメントを含んで成り、ここで 前記増幅可能遺伝子が、その増幅可能な遺伝子が増幅される場合、増幅を引き起 こすために対象の前記遺伝子に十分に接近して存在するように前記構造体が挿入 されることを特徴とする方法。 23.前記DNA構造体が、前記発現可能な増幅可能遺伝子により挿入されるよ うに配置された少なくとも1つの発現可能な選択可能マーカー遺伝子をさらに含 んで成る請求の範囲第22項記載の方法。 24.それが由来する細胞系又は微生物に比較して遺伝子生成物の発現を増強す ることができる細胞系又は微生物であって、前記遺伝子生成物が前記細胞のゲノ ム内の内因性遺伝子の発現生成物であり、前記ゲノムが、前記内因性遺伝子点で 又はその近くに、操作的態様で、前記細胞系又は微生物により前記遺伝子生成物 の発現を増強することができる外因性DNA調節セグメント及び/又は増幅可能 遺伝子をそこに挿入していることを特徴とする細胞系又は微生物。 25.前記外因性DNA調節セグメント及び/又は増幅可能遺伝子が外因性DN A調節セグメントである請求の範囲第24項記載の細胞系又は微生物。 26.前記外因性DNA調節セグメント及び/又は増幅可能遺伝子が外因性増幅 可能遺伝子である請求の範囲第24項記載の細胞系又は微生物。 27.予定された宿主細胞系又は微生物中への挿入のためのDNA構造体であっ て、それに十分に接近して挿入される場合、宿主細胞系又は微生物における遺伝 子を増幅することができる発現可能な増幅可能遺伝子、及び宿主細胞系又は微生 物内の予備選択された遺伝子のゲノムの領域に相同のDNA標的決定セグメント を含んで成るDNA構造体。 28.前記細胞系又は微生物が微生物である請求の範囲第1,2,3,4,5, 21.22又は23項記載の方法。
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| US45478389A | 1989-12-22 | 1989-12-22 | |
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| PCT/US1990/007642 WO1991009955A1 (en) | 1989-12-22 | 1990-12-21 | Endogenous gene expression modification with regulatory element |
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| JP2003162768A Division JP3740134B2 (ja) | 1989-12-22 | 2003-06-06 | 一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法 |
| JP2003375791A Division JP2004089200A (ja) | 1989-12-22 | 2003-11-05 | 一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法 |
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| JP2003162768A Expired - Lifetime JP3740134B2 (ja) | 1989-12-22 | 2003-06-06 | 一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法 |
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| JP2003375791A Pending JP2004089200A (ja) | 1989-12-22 | 2003-11-05 | 一定の細胞系又は微生物の内因性遺伝子の発現特徴の変性のための方法 |
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| JPH11225785A (ja) * | 1997-12-01 | 1999-08-24 | Roche Diagnostics Gmbh | 内在性遺伝子活性化のための細胞の最適化 |
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| US5643753A (en) | 1990-04-18 | 1997-07-01 | Connaught Laboratories Limited | Use of autologous promoters to express gene products in bordetella |
| GB9008746D0 (en) * | 1990-04-18 | 1990-06-13 | Connaught Lab | The use of autologous promoters to express gene products in bordetella |
| DE69233387T2 (de) * | 1991-05-06 | 2005-07-21 | Cell Genesys, Inc., Foster City | Genmanipulation und Expression mittels genomischer Elemente |
| US6270989B1 (en) * | 1991-11-05 | 2001-08-07 | Transkaryotic Therapies, Inc. | Protein production and delivery |
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| AU4401993A (en) * | 1992-06-04 | 1993-12-30 | Exemplar Corporation | Insertion of heterologous dna outside of known chromosomal genes |
| US6670178B1 (en) | 1992-07-10 | 2003-12-30 | Transkaryotic Therapies, Inc. | In Vivo production and delivery of insulinotropin for gene therapy |
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| US6124439A (en) * | 1994-08-17 | 2000-09-26 | The Rockefeller University | OB polypeptide antibodies and method of making |
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1993
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1997
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2003
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11225785A (ja) * | 1997-12-01 | 1999-08-24 | Roche Diagnostics Gmbh | 内在性遺伝子活性化のための細胞の最適化 |
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