JP6200414B2 - pAVEC - Google Patents
pAVEC Download PDFInfo
- Publication number
- JP6200414B2 JP6200414B2 JP2014503706A JP2014503706A JP6200414B2 JP 6200414 B2 JP6200414 B2 JP 6200414B2 JP 2014503706 A JP2014503706 A JP 2014503706A JP 2014503706 A JP2014503706 A JP 2014503706A JP 6200414 B2 JP6200414 B2 JP 6200414B2
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- JP
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- Prior art keywords
- plasmid
- cells
- antigen
- host cell
- polynucleotide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
本発明の分野は、例えば、関心のあるポリペプチドを発現させるために使用されうるプラスミドに関する。
本発明においては、当技術分野の技量の範囲内の通常の分子生物学、微生物学および組換えDNA技術が用いられうる。そのような技術は文献中に十分に説明されている。例えば、Sambrook,Fritsch & Maniatis,Molecular Cloning:A Laboratory Manual,Second Edition(1989) Cold Spring Harbor Laboratory Press,Cold Spring Harbor,New York(本明細書中では「Sambrookら,1989」);DNA Cloning:A Practical Approach,Volumes IおよびIl(D.N.Glover編,1985);Oligonucleotide Synthesis(MJ.Gaitら,1984);Nucleic Acid Hybridization(B.D.Hames & SJ.Higgins編(1985));Transcription And Translation(B.D.Hames & SJ.Higgins編,(1984));Animal Cell Culture(R.I.Freshney編,(1986));Immobilized Cells And Enzymes(IRL Press,(1986));B.Perbal,A Practical Guide To Molecular Cloning(1984);F.M.Ausubelら,(編),Current Protocols in Molecular Biology,John Wiley & Sons,Inc.(1994)を参照されたい。
本発明は、以下のマルチクローニングサイト:EcoRI、XhoI、PaeR7I、Bsp120I、ApaI、BstZ17I、Bst1107I、PstI、BamHIを含むプラスミドを提供し、これは、例えば、図1に示されているとおり、これらの制限部位間の相対的配置を含み、例えば、該マルチクローニングサイトの重複制限部位は以下のとおりに特徴づけられる。
幾つかの遺伝子のいずれか(例えば、免疫グロブリン)が本発明のプラスミド内に挿入されうる。以下の標的免疫グロブリンアミノ酸配列のいずれかをコードする本発明のプラスミドは本発明の一部を構成する。本発明は、ポリヌクレオチドまたは遺伝子(例えば、免疫グロブリンをコードするもの)をpAVEC内に挿入するための、該過程において或るpAVECポリヌクレオチド配列の喪失(例えば、ベクター内への導入遺伝子の連結に適合性である制限酵素切断部位を生成するマルチクローニングサイトの一部の切り出しによるもの)を招くいずれかの方法の産物を含む。そのような方法の産物は、本明細書においては、特定の遺伝子またはポリヌクレオチドを含むpAVECベクターと称されうる。
本発明のもう1つの態様は、pAVECを使用する組換えタンパク質の製造方法および/または特定のポリヌクレオチドの増幅方法に関する。例えば、本発明の実施形態においては、タンパク質の発現方法は、(例えば、pAVECのhCMVプロモーターのようなプロモーターに機能的に連結された)ポリペプチドをコードするポリヌクレオチドを有するpAVECプラスミドを含む宿主細胞(例えば、CHO細胞)を、該プラスミドを含む宿主細胞の増殖および該組換えタンパク質の発現を可能にする適当な条件下で培養することを含む。例えば、該方法は以下の工程を含む。
本発明のpAVECプラスミドベクターはキットにおいて提供されうる。本発明のキットは、該プラスミドベクターに加えて、該プラスミドベクターの利用において使用されうるいずれかの試薬を含みうる。1つの実施形態においては、該キットは、細菌および/または哺乳類宿主細胞内への該ベクターの形質転換に必要な試薬を含む。例えば、該キットは、リン酸カルシウム形質転換法のための試薬、すなわち、塩化カルシウム、バッファー(例えば、2×HEPES緩衝食塩水)および無菌蒸留水を含みうる。もう1つの実施形態においては、該キットは、DEAE−エキストラン形質転換のための試薬、すなわち、PBS中のクロロキン、PBS中のDEAE−デキストランおよびリン酸緩衝食塩水を含む。更にもう1つの実施形態においては、該キットには、リポソーム形質転換のための試薬、すなわち、DOTAP/コレステロール押出し(extruded)リポソームから押出されたリポソームが含まれる。例えば、該キットはカチオン性脂質系トランスフェクション試薬Lipofectamine(リポフェクタミン)(商標)(Invitrogen Life Technologies;Carlsbad,CA)を含みうる。
マルチクローニングサイト(MCS)の配列:
Claims (10)
- 配列番号2に記載されているポリヌクレオチド配列を含む、線状または環状である単離されたプラスミド。
- 請求項1記載のプラスミドを切断し、該切断プラスミドの末端を、導入されるポリヌクレオチドの適合性末端に連結して、閉環状プラスミドを得ることを含む、組換えプラスミドベクターの製造方法。
- 該導入ポリヌクレオチドが免疫グロブリン鎖をコードしている、請求項2記載の製造方法。
- 該免疫グロブリン鎖が、アブシキシマブ(Abciximab)、アダリムマブ(Adalimumab)、アレムツズマブ(Alemtuzumab)、バシリキシマブ(Basiliximab)、ベバシズマブ(Bevacizumab)、セツキシマブ(Cetuximab)、セルトリズマブ・ペゴール(Certolizumab pegol)、ダロツズマブ(Dalotuzumab)、ダクリズマブ(Daclizumab)、デノスマブ(Denosumab)、エクリズマブ(Eculizumab)、エファリズマブ(Efalizumab)、ゲムツズマブ(Gemtuzumab)、イブリツモマブ・チウキセタン(Ibritumomab tiuxetan)、インフリキシマブ(Infliximab)、ムロモナブ(Muromonab)−CD3、ナタリズマブ(Natalizumab)、オマリズマブ(Omalizumab)、パリビズマブ(Palivizumab)、パニツムマブ(Panitumumab)、ラニビズマブ(Ranibizumab)、リツキシマブ(Rituximab)、ロバツムマブ(Robatumumab)、トシツモマブ(Tositumomab)、ALD518およびトラスツズマブ(Trastuzumab)からなる群から選択されるメンバーの重鎖または軽鎖であり、あるいは該免疫グロブリン鎖が、VEGF、VEGFR、EGF、EGFR、PD−1、TNFアルファ、TGFベータ、TRAIL−R1、TSLP、Nav1.7、Nav1.8、ERK、MEK、TRAIL−R2、IL−10、IL−6、IL−6R、IGF1R、IL−23p19、IL23R、PCSK9、CD20、RANKL、RANK、CD33、CD11a、ErbB2、IgE、Gタンパク質共役受容体(GPCR)、HIV抗原、HCV抗原および呼吸器性シンシチウムウイルス(RSV)抗原からなる群から選択される抗原に特異的に結合する抗体またはその抗原結合性フラグメントの重鎖または軽鎖である、請求項3記載の製造方法。
- 請求項2記載の製造方法の産物である組換えプラスミドベクター。
- 請求項1記載のプラスミドを含む単離された宿主細胞。
- 細菌細胞または哺乳類細胞である、請求項6記載の宿主細胞。
- 単離された宿主細胞における組換えポリペプチドの製造方法であって、該ポリペプチドの発現を可能にする条件下、請求項5記載の組換えベクターを該宿主細胞内に導入することを含む製造方法。
- 該ポリペプチドを精製することを更に含む、請求項8記載の方法。
- 請求項1記載のプラスミドと1以上の追加的成分とを含むキット。
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TWI684683B (zh) | 2016-12-19 | 2020-02-11 | 財團法人紡織產業綜合研究所 | 改質聚醯胺的製作方法 |
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US10277519B2 (en) * | 2006-01-31 | 2019-04-30 | Silicon Laboratories Inc. | Response time for a gateway connecting a lower bandwidth network with a higher speed network |
US9255154B2 (en) | 2012-05-08 | 2016-02-09 | Alderbio Holdings, Llc | Anti-PCSK9 antibodies and use thereof |
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ATE481493T1 (de) * | 2003-06-02 | 2010-10-15 | B R A I N Biotechnology Res An | Archäen-expressionssystem |
JP2007510434A (ja) * | 2003-11-12 | 2007-04-26 | シェーリング コーポレイション | 多重遺伝子発現のためのプラスミドシステム |
MX2011004998A (es) * | 2008-11-12 | 2011-05-25 | Schering Corp | Intron de beta-globina-inmunoglobina gamma para la expresion mejorada del anti-factor de crecimiento similar a la insulina 1r. |
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JP2017184752A (ja) | 2017-10-12 |
CN103717743A (zh) | 2014-04-09 |
US9080177B2 (en) | 2015-07-14 |
WO2012138591A1 (en) | 2012-10-11 |
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