JP6450683B2 - 治療用タンパク質の生産のための植物 - Google Patents
治療用タンパク質の生産のための植物 Download PDFInfo
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- JP6450683B2 JP6450683B2 JP2015540787A JP2015540787A JP6450683B2 JP 6450683 B2 JP6450683 B2 JP 6450683B2 JP 2015540787 A JP2015540787 A JP 2015540787A JP 2015540787 A JP2015540787 A JP 2015540787A JP 6450683 B2 JP6450683 B2 JP 6450683B2
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Description
本出願は、2013年3月15日に出願された米国仮出願第61/790,850号および2012年11月1日に出願された米国仮出願第61/721,194号からの優先権の利益を主張する。
本発明はその詳細な説明とともに記載されているが、前述の記載は説明目的であり、添付の特許請求の範囲により定義される本発明の範囲を限定しないことが理解されるべきである。他の態様、利益、および改変は、以下の特許請求の範囲の範囲内である。
Claims (38)
- タバコ属の植物または植物細胞であって、
複数のβ−1,2−キシロシルトランスフェラーゼ(XylT)対立遺伝子のそれぞれにおける欠失、および複数のα−1,3−フコシルトランスフェラーゼ(FucT)対立遺伝子のそれぞれにおける欠失を含み、
前記の植物または植物細胞は、前記の植物または植物細胞で生産される糖タンパク質のN−グリカン構造上に、β−1,2−キシロシル−またはコアα−1,3−フコシル糖を検出可能なレベルで生産せず、前記欠失は、内因性XylT配列を標的とする1つまたは複数の転写アクチベーター様の(TAL)エフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり、前記複数のXylT対立遺伝子のそれぞれにおける前記欠失は、配列番号1に記載の配列内にあり、前記複数のFucT対立遺伝子のそれぞれにおける前記欠失は、配列番号2または配列番号3に記載の配列内にある、
タバコ属の植物または植物細胞。 - 請求項1の植物または植物細胞であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
植物または植物細胞。 - 請求項1の植物または植物細胞であって、
前記の植物または植物細胞が、異種ポリペプチドをコードする核酸を含む、
植物または植物細胞。 - 請求項1の植物または植物細胞であって、
前記の複数のXylT対立遺伝子および前記の複数のFucT対立遺伝子のそれぞれが、内因性の核酸配列の欠失を有し、いかなる外因性の核酸も含まない、
植物または植物細胞。 - 請求項1の植物または植物細胞であって、
前記の植物または植物細胞が、ベンサミアナタバコ植物または植物細胞である、
植物または植物細胞。 - 異種ポリペプチドを生産する方法であって:
(a)タバコ属の植物または植物細胞を提供するステップ、
ここで、前記タバコ属の植物または植物細胞は、複数のXylT対立遺伝子のそれぞれにおける欠失および複数のFucT対立遺伝子のそれぞれにおける欠失を含み、前記欠失は、内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼ、および内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり、前記複数のXylT対立遺伝子のそれぞれにおける前記欠失は、配列番号1に記載の配列内にあり、前記複数のFucT対立遺伝子のそれぞれにおける前記欠失は、配列番号2または配列番号3に記載の配列内にあり、前記の植物または植物細胞は、前記の植物または植物細胞で生産される糖タンパク質のN−グリカン構造上に、β−1,2−キシロシル−またはコアα−1,3−フコシル糖を検出可能なレベルで生産せず、
前記の植物または植物細胞は、(i)ヌクレオチド配列((ii)植物を発現可能なプロモーターに作動可能に連結されたポリペプチドをコードする)、および、(iii)転写終結およびポリアデニル化に関与する配列、を含む核酸を含み、
前記ポリペプチドは前記植物にとって異種であり;および、
(b)前記異種ポリペプチドが生産される十分な条件下および時間で、前記の植物または植物細胞を生育するステップ、
を含む、
方法。 - 請求項6の方法であって、
前記異種ポリペプチドを前記の植物または植物細胞から分離するステップをさらに含む、
方法。 - 請求項6の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
方法。 - タバコ属の植物を作製するための方法であって、ここで、前記タバコ属植物は、複数のXylT対立遺伝子のそれぞれにおける欠失および複数のFucT対立遺伝子のそれぞれにおける欠失を含み、
前記方法が:
(a)機能性XylT対立遺伝子および機能性FucT対立遺伝子を含むタバコ属の植物細胞の集団を、内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼに接触させるステップ、
(b)前記集団から、複数のXylT対立遺伝子および複数のFucT対立遺伝子が不活化されている植物細胞を選択するステップ、ここで、前記複数のXylT対立遺伝子のそれぞれが配列番号1に記載の配列内に欠失を含み、かつ、前記複数のFucT対立遺伝子のそれぞれが配列番号2または配列番号3に記載の配列内に欠失を含む、および、
(c)前記の選択された植物細胞をタバコ属の植物に再生するステップ、ここで前記タバコ属の植物は、複数のXylT対立遺伝子における欠失および複数のFucT対立遺伝子における欠失を含み、前記植物で生産される糖タンパク質のN−グリカン構造上に、β−1,2−キシロシル−またはコアα−1,3−フコシル糖を検出可能なレベルで生産しない、
を含む、
方法。 - 請求項9の方法であって、
前記タバコ属の植物細胞がプロトプラストである、
方法。 - 請求項10の方法であって、
前記1つまたは複数のTALエフェクターエンドヌクレアーゼをコードする1つまたは複数のベクターを用いて、前記プロトプラストを形質転換するステップを含む、
方法。 - 請求項9の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列を標的とする、
方法。 - 請求項10の方法であって、
前記プロトプラスト中に、TALエフェクターエンドヌクレアーゼタンパク質を導入するステップを含む、
方法。 - 請求項10の方法であって、
前記プロトプラストを培養して植物株を生産するステップをさらに含む、
方法。 - 請求項10の方法であって、
前記プロトプラストから、XylT遺伝子座の少なくとも一部分またはFucT遺伝子座の少なくとも一部分を含むゲノムDNAを分離するステップを含む、
方法。 - 請求項9の方法であって、
前記タバコ属の植物細胞がベンサミアナタバコ植物細胞である、
方法。 - タバコ属の植物を生産するための方法であって、ここで、前記タバコ属の植物は、複数のXylT対立遺伝子のそれぞれにおける欠失および複数のFucT対立遺伝子のそれぞれにおける欠失を含み、前記方法は:
(a)少なくとも1つのXylT対立遺伝子および少なくとも1つのFucT対立遺伝子における欠失を含む第一のタバコ属の植物を、少なくとも1つのXylT対立遺伝子および少なくとも1つのFucT対立遺伝子における欠失を含む第二のタバコ属の植物と交配して子孫を得るステップ、ここで、前記欠失は、内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼ、および内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり;および、
(b)前記子孫から、複数のXylT対立遺伝子における欠失および複数のFucT対立遺伝子における欠失を含むタバコ属の植物を選択するステップ、ここで、前記複数のXylT対立遺伝子のそれぞれが配列番号1に記載の配列内に欠失を含み、かつ、前記複数のFucT対立遺伝子のそれぞれが配列番号2または配列番号3に記載の配列内に欠失を含む、
を含む、
方法。 - 請求項17の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
方法。 - 請求項17の方法であって、
前記子孫が、前記対立遺伝子のそれぞれにおける前記欠失に関してホモ接合型である、
方法。 - タバコ属の植物または植物細胞であって、
前記タバコ属の植物または植物細胞は、1つまたは複数のXylT対立遺伝子および1つまたは複数のFucT対立遺伝子における欠失を含み、
前記の植物または植物細胞で生産される糖タンパク質のN−グリカン構造上のβ−1,2−キシロシル−およびコアα−1,3−フコシル糖のレベルが、前記欠失を含まない対応する植物または植物細胞と比較して低下しており、かつ、
前記欠失は内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり、
前記1つまたは複数のXylT対立遺伝子が配列番号1に記載の配列内に欠失を含み、かつ、前記1つまたは複数のFucT対立遺伝子が配列番号2または配列番号3に記載の配列内に欠失を含む
タバコ属の植物または植物細胞。 - 請求項20の植物または植物細胞であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
植物または植物細胞。 - 請求項20の植物または植物細胞であって、
前記の植物または植物細胞が、異種ポリペプチドをコードする核酸を含む、
植物または植物細胞。 - 請求項20の植物または植物細胞であって、
前記の1つまたは複数のXylT対立遺伝子および前記の1つまたは複数のFucT対立遺伝子のそれぞれが、内因性の核酸配列の欠失を有し、いかなる外因性の核酸も含まない、
植物または植物細胞。 - 請求項20の植物または植物細胞であって、
前記の植物または植物細胞が、ベンサミアナタバコ植物または植物細胞である、
植物または植物細胞。 - 異種ポリペプチドを生産するための方法であって:
(a)タバコ属の植物または植物細胞を提供するステップ、
ここで、前記タバコ属の植物または植物細胞は2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子における欠失を含み、前記欠失は内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり、前記1つまたは複数のXylT対立遺伝子が配列番号1に記載の配列内に欠失を含み、かつ、前記1つまたは複数のFucT対立遺伝子が配列番号2または配列番号3に記載の配列内に欠失を含み、前記の植物または植物細胞で生産される糖タンパク質のN−グリカン構造上のβ−1,2−キシロシル−およびコアα−1,3−フコシル糖のレベルは、前記欠失を含まない対応する植物または植物細胞と比較して低下していて、
前記の植物または植物細胞は、(i)ヌクレオチド配列((ii)植物を発現可能なプロモーターに作動可能に連結されたポリペプチドをコードする)、および、(iii)転写終結およびポリアデニル化に関与する配列、を含む組み換え核酸を含み、
前記ポリペプチドは前記植物にとって異種であり;および、
(b)前記異種ポリペプチドが生産される十分な条件下および時間で、前記の植物または植物細胞を生育するステップ、
を含む、
方法。 - 請求項25の方法であって、
前記の植物または植物細胞から、前記異種ポリペプチドを分離するステップをさらに含む、
方法。 - 請求項25の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
方法。 - タバコ属の植物を作製するための方法であって、前記タバコ属の植物は、2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子における欠失を含み、
前記方法が:
(a)機能性XylT対立遺伝子および機能性FucT対立遺伝子を含むタバコ属の植物細胞の集団を、内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼに接触させるステップ、
(b)前記集団から、2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子が不活化されている植物細胞を選択するステップ、ここで、前記2つ以上のXylT対立遺伝子のそれぞれが配列番号1に記載の配列内に欠失を含み、かつ、前記2つ以上のFucT対立遺伝子のそれぞれが配列番号2または配列番号3に記載の配列内に欠失を含む、および、
(c)前記の選択された植物細胞をタバコ属の植物に再生するステップ、ここで前記タバコ属の植物は、2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子における欠失を含み、前記植物で生産される糖タンパク質のN−グリカン構造上のβ−1,2−キシロシル−およびコアα−1,3−フコシル糖のレベルが、前記欠失を含まない対応する植物と比較して低下している、
を含む、
方法。 - 請求項28の方法であって、
前記タバコ属の植物細胞がプロトプラストである、
方法。 - 請求項29の方法であって、
1つまたは複数のTALエフェクターエンドヌクレアーゼをコードする1つまたは複数のベクターを用いて、前記プロトプラストを形質転換するステップを含む、
方法。 - 請求項28の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列を標的とする、
方法。 - 請求項29の方法であって、
前記プロトプラスト中に、TALエフェクターエンドヌクレアーゼタンパク質を導入するステップを含む、
方法。 - 請求項29の方法であって、
前記プロトプラストを培養して植物株を生産するステップをさらに含む、
方法。 - 請求項29の方法であって、
前記プロトプラストから、XylT遺伝子座の少なくとも一部分またはFucT遺伝子座の少なくとも一部分を含むゲノムDNAを分離するステップを含む、
方法。 - 請求項28の方法であって、
前記タバコ属の植物細胞がベンサミアナタバコ植物細胞である、
方法。 - タバコ属の植物を生産するための方法であって、前記タバコ属の植物は2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子における欠失を含み、前記方法は:
(a)少なくとも1つのXylT対立遺伝子および少なくとも1つのFucT対立遺伝子における欠失を含む第一のタバコ属の植物を、少なくとも1つのXylT対立遺伝子および少なくとも1つのFucT対立遺伝子における欠失を含む第二のタバコ属の植物と交配して子孫を得るステップ、ここで、前記欠失は、内因性XylT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼおよび内因性FucT配列を標的とする1つまたは複数のTALエフェクターエンドヌクレアーゼにより、かつ、その切断部位で誘導されたものであり;および、
(b)前記子孫から、2つ以上のXylT対立遺伝子および2つ以上のFucT対立遺伝子における欠失を含むタバコ属の植物を選択するステップ、ここで、前記2つ以上のXylT対立遺伝子のそれぞれは、配列番号1に記載の配列内に欠失を含み、かつ、前記2つ以上のFucT対立遺伝子のそれぞれが配列番号2または配列番号3に記載の配列内に欠失を含む
を含む、
方法。 - 請求項36の方法であって、
前記TALエフェクターエンドヌクレアーゼのそれぞれが、配列番号45〜63のいずれかに記載の配列に結合する、
方法。 - 請求項36の方法であって、
前記子孫が、前記対立遺伝子のそれぞれにおける前記欠失に関してホモ接合型である、
方法。
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CN104968193A (zh) | 2015-10-07 |
US20140120578A1 (en) | 2014-05-01 |
EP2914094A1 (en) | 2015-09-09 |
WO2014071039A1 (en) | 2014-05-08 |
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MX367031B (es) | 2019-08-02 |
MX2015005453A (es) | 2016-02-18 |
IL238545A0 (en) | 2015-06-30 |
CN104968193B (zh) | 2021-02-09 |
BR112015009967B1 (pt) | 2022-07-12 |
HK1211789A1 (en) | 2016-06-03 |
AU2013337832A1 (en) | 2015-05-21 |
NZ707560A (en) | 2019-10-25 |
US11576317B2 (en) | 2023-02-14 |
AU2013337832B2 (en) | 2019-04-04 |
ES2894832T3 (es) | 2022-02-16 |
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