JP2020510702A - 選択的細胞死誘導酵素系 - Google Patents
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Abstract
Description
TEVの認識部位(下線)を有する改変カスパーゼ3(配列番号5):
MENTENSVDS KSIKNLEPKI IHGSESMDSG ISLDNSYKMD YPEMGLCIII MTSRSGTDVD AANLRETFRN LKYEVRNKND LTREEIVELM RDVSKEDHSK RSSFVCVLLS HGEEGIIFGT NGPVDLKKIT NFFRGDRCRS LTGKPKLFII QACRCTELDC GIETENLYFQ SGVDDDMACH KIPVEADFLY AYSTAPGYYS WRNSKDGSWF IQSLCAMLKQ YADKLEFMHI LTRVNRKVAT EFESFSFDAT FHAKKQIPCI VSMLTKELYF YH
TEVの認識部位(下線)を有する改変カスパーゼ7(配列番号6):
ADDQGCIEEQGVEDSANEDSVDAKPDRSSFVPSLFSKKKKNVTMRSIKTTRDRVPTYQYNMNFEKLGKCIIINNKNFDKVTGMGVRNGTDKDAEALFKCFRSLGFDVIVYNDCSCAKMQDLLKKASEEDHTNAACFACILLSHGEENVIYGKDGVTPIKDLTAHFRGDRCKTLLEKPKLFFIQACRGTELDDGIQAENLYFQSGPINDTDANPRYKIPVEADFLFAYSTVPGYYSWRSPGRGSWFVQALCSILEEHGKDLEIMQILTRVNDRVARHFESQSDDPHFHEKKQIPCVVSMLTKELYGFSQ
TEVの認識部位(下線)を有する改変カスパーゼ8(配列番号7):
MDSESQTLDKVYQMKSKPRGYCLIINNHNFAKAREKVPKLHSIRDRNGTHLDAGALTTTFEELHFEIKPHDDCTVEQIYEILKIYQLMDHSNMDCFICCILSHGDKGIIYGTDGQEAPIYELTSQFTGLKCPSLAGKPKVFFIQACQGDNYQKGIPVETDSENLYFQGMDLSSPQTRYIPDEADFLLGMATVNNCVSYRNPAEGTWYIQSLCQSLRERCPRGDDILTILTEVNYEVSNKDDKKNMGKQMPQPTFTLRKKLVFPSD
TEVの認識部位(下線)を有する改変カスパーゼ10(配列番号8):
MDVKTFLEALPQESWQNKHAGSNGNRATNGAPSLVSRGMQGASANTLNSETSTKRAAVYRMNRNHRGLCVIVNNHSFTSLKDRQGTHKDAEILSHVFQWLGFTVHIHNNVTKVEMEMVLQKQKCNPAHADGDCFVFCILTHGRFGAVYSSDEALIPIREIMSHFTALQCPRLAEKPKLFFIQACQGEEIQPSVSIEAENLYFQGQAPTSLQDSIPAEADFLLGLATVPGYVSFRHVEEGSWYIQSLCNHLKKLVPRMLKFLEKTMEIRGRKRTVWGAKQISATSLPTAISAQTPRPPMRRWSSVS
したがって、本目標は、作成された特許請求の範囲によって全面的に達成される。
i.)少なくとも1つのビヒクルに導入され、
ii.)腫瘍細胞に導入されてそこで発現され、
iii.)カスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の活性型を生成し、腫瘍細胞の細胞死を誘導すること
を特徴とする、本発明の薬物または融合タンパク質を導入するためのプロセスにも関する。
図面および説明:
これらの実施例は、本発明を説明するためだけのものであって、本発明をこれらの実施例に限定するものではない。
実施例:
実施例1
実験データ
カスパーゼ3、カスパーゼ7、カスパーゼ8、カスパーゼ10、Smac/DIABOLOおよびXAF1をコードする遺伝子を市販のEGFPプラスミド(pEGFP−N1)にクローニングした。蛍光タンパク質EGFPは、蛍光顕微鏡法によるタンパク質の可視化を可能にする。異なるタンパク質間にTEV認識部位(ENLYFQ/SまたはENLYFQ/A)を挿入した。構造的柔軟性を提供し、それによって切断効率を高めるために、TEV認識部位はグリシン/アラニンリンカー配列に隣接している。たとえば配列番号5〜8に示されるように、カスパーゼの天然の切断部位がTEV認識部位に交換された。
HEK細胞:
アポトーシスは、Cas3−TEV−EGFP、Cas7−TEV−EGFP、Cas3−Cas7−TEV−EGFP、XAF1−Smac−TEV−EGFPおよびCas3−Cas7−Smac−TEV−EGFPによって誘導される。
WM35細胞:
単一のタンパク質TEV構築物は部分的にアポトーシスを誘導することができる。
Claims (12)
- がんまたは腫瘍性疾患の治療に使用するための薬物であって、
カスパーゼ3由来の配列番号9、10および/または
カスパーゼ7由来の配列番号11、12および/または
カスパーゼ8由来の配列番号13、14および/または
カスパーゼ10由来の配列番号15、16および/または
の群から選択される少なくとも1つの配列を含む融合タンパク質もしくはそれをコードする核酸またはいずれかの機能的バリアントと、
少なくとも1つのタバコエッチウイルスプロテアーゼもしくはそれをコードする核酸またはいずれかの機能的バリアントと、
少なくとも1つの認識部位ENLYFQS(配列番号3)もしくはENLYFQG(配列番号4)またはそれをコードする核酸と、を含む前記薬物において、
前記配列番号9、10、11、12、13、14、15もしくは16またはその機能的バリアントが、タバコエッチウイルスプロテアーゼによる切断で放出されることを特徴とする、薬物。 - 前記融合タンパク質が、配列番号5、6、7もしくは8またはそれをコードする核酸またはいずれかの機能的バリアントを含むことを特徴とする、請求項1に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 前記融合タンパク質が、配列番号1もしくは2またはそれをコードする核酸またはいずれかの機能的バリアントを含むことを特徴とする、請求項1に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 前記タバコエッチウイルスプロテアーゼが、カスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の改変体における前記認識部位ENLYFQS(配列番号3)またはENLYFQG(配列番号4)を認識し、前記認識部位が、カスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の大サブユニットと小サブユニットとの間に連結されている(ライゲーションされている)ことを特徴とする、請求項1に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 前記融合タンパク質が、抗アポトーシスタンパク質、特にSmac/DIABLO(配列番号17)またはXAF1(配列番号18)を含むことを特徴とする、請求項1〜3のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 請求項1〜5のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物、ならびに場合により賦形剤および添加剤。
- ヒトおよび動物の治療に使用するための、請求項6に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 遺伝子治療プロセスによって投与されることを特徴とする、請求項1〜7のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- この遺伝子治療プロセスが、ビヒクルによって実施されることを特徴とする、請求項1〜8のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- このビヒクルが、リポソーム、ナノ粒子またはマイクロ粒子、ウイルスおよびリポプレックスの群から選択されることを特徴とする、請求項1〜9のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- これらのビヒクルが、腫瘍マーカを認識するリガンドを含むことを特徴とする、請求項1〜10のいずれか一項に記載のがんまたは腫瘍性疾患の治療に使用するための薬物。
- 配列番号5、6、7または8をコードする核酸を含むカスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の不活性型ならびにタバコエッチウイルスプロテアーゼ(たとえば配列番号1または配列番号2)をコードする核酸、特に配列番号9、10、11、12、13、14、15または16およびENLYFQS(配列番号3)またはENLYFQG(配列番号4)から選択される少なくとも1つの配列を含む融合タンパク質をコードする核酸を含むカスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の不活性型ならびにタバコエッチウイルスプロテアーゼをコードする核酸が、
i.)少なくとも1つのビヒクルに導入され、
ii.)腫瘍細胞に導入されてそこで発現され、
iii.)カスパーゼ3および/またはカスパーゼ7および/またはカスパーゼ8および/またはカスパーゼ10の活性型を生成し、前記腫瘍細胞の細胞死を誘導すること
を特徴とする、請求項1〜11のいずれか一項に記載の薬物を導入するためのプロセス。
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JP2006518737A (ja) * | 2003-01-31 | 2006-08-17 | イミューノメディクス、インコーポレイテッド | 治療薬および診断薬を投与するための方法および組成物 |
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EP1873251A1 (en) * | 2006-06-29 | 2008-01-02 | Chemotherapeutisches Forschungsinstitut Georg-Speyer-Haus | Expression vector(s) for enhanced expression of a protein of interest in eukaryotic or prokaryotic host cells |
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