JP2012519655A - シュピーゲルマーの投与による副作用に対処するための製薬組成物 - Google Patents
シュピーゲルマーの投与による副作用に対処するための製薬組成物 Download PDFInfo
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- JP2012519655A JP2012519655A JP2011548529A JP2011548529A JP2012519655A JP 2012519655 A JP2012519655 A JP 2012519655A JP 2011548529 A JP2011548529 A JP 2011548529A JP 2011548529 A JP2011548529 A JP 2011548529A JP 2012519655 A JP2012519655 A JP 2012519655A
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
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Abstract
【選択図】なし
Description
5’−CUGANGAGN’CN’NNNNNGNCGAAAC−3’、または
5’−CUGANGAGN’CN’NNNNNGNCGAAAN−3’
(N=任意の塩基。図1において、対置するNとN’は、強制的に同じ塩基対から形成されるか、または異なる塩基対から形成される)。
5’−CUGANGAGNUCGGAAACGACGAAAC−3’、または
5’−CUGANGAGNUCGGAAACGACGAAAN−3’
(N=任意の塩基。ここで、図1において、対置するNとN’は、強制的に同じ塩基対から形成されるか、または異なる塩基対から形成される)である。さらに、触媒ハンマーヘッド配列の5’末端に、配列
3’−(N)4〜6GGUAUAGAGUGCUGAAUCC−5’
を設けることができ、それにより比較的低いMgイオン濃度しか必要としないハンマーヘッド型リボザイムが得られる。
L−リボザイムとD−リボザイムの活性を様々な条件下で測定した。基本条件は以下のようにした。0.02μMの標的RNAを、10μlの反応混合物と共に、50mMのTris−HCL緩衝液(pH7.5)中で0.002μM、0.02μM、および2μMのリボザイムの存在下で、20℃で2時間培養した(したがってリボザイム/標的の比率は、10:1、1:1、および1:10)。反応前に、標的RNAとリボザイムを2分間70℃で変性させて、加熱ブロック内でゆっくりと(1℃/分)冷却した。0.1〜25mMの濃度でMg2+イオンの影響を調べた。切断生成物を、0.09MのTris−ホウ酸緩衝液(pH8.3)中で8Mの尿素の存在下で、20%のポリアクリルアミドゲル電気泳動で分離した。蛍光の分析を、ホスホイメージャFuji Film FLA 5100で行った。プログラムFuji Analysis Programを用いてデータを取得した。Excelでグラフを作成した。
標的配列として、カスタム合成の過程で、ChemGenes Corporation(米国Wilmington)によって以下のものが生成された。
配列ID1:5’−FAM−ACAGUCGGUCGCC−3’
(RNA、D−ヌクレオチドもL−ヌクレオチドも含む)、および
配列ID2:5’−FAM−ACAGTCGGTCGCC−3’
(RNA、D−ヌクレオチドもL−ヌクレオチドも含む)
配列ID3:5’−FAM−GGCGACCCUGAUGAGGCCGAAAGGCCGAAACUGU−3’
(RNA、D−ヌクレオチドもL−ヌクレオチドも含む)
図2に、L−リボザイムによるD−標的の切断、およびその逆の切断の濃度依存を示す。Cは対照標準(L−標的+L−リボザイム)であり、痕跡1〜5は、リボザイムなしでの標的に関する、グラフに示される様々なMgCl2濃度(0〜25mM)を表し、痕跡6〜9は、0.2μMの標的と2μMのリボザイムに関するものである。
図4〜図11のグラフから、L−リボザイムが、すべての一般的な条件下で、対応する標的配列を有するL−標的を効果的に切断することが見て取れ、すなわち代謝率は、D−リボザイムとD−標的での代謝率に少なくとも相当する。
Claims (13)
- 製薬組成物を製造するためのL−リボザイムの使用。
- 前記L−リボザイムが、L−RNAの標的配列の範囲内でL−RNAを切断することができる請求項1に記載の使用。
- L−RNAを含む治療分子の投与に基づく望ましくない生理学的副反応に対処するための製薬組成物を製造するための、前記L−RNAの標的配列の範囲内で前記L−RNAを切断することができるL−リボザイムの使用。
- 遺伝子をコード化する内在性標的D−RNAの標的配列をL−リボザイムが切断することができる、少なくとも1つの内在性遺伝子の過剰発現を伴う疾患の治療または予防のための製薬組成物を製造するためのL−リボザイムの使用。
- 前記治療分子が、L−RNA、特に二本鎖L−RNA、例えばシュピーゲルマーからなる請求項3に記載の使用。
- 前記治療分子が、L−RNAと共有結合されたアプタマーまたはL−RNAと共有結合された抗体を含有する請求項3に記載の使用。
- 前記製薬組成物が、少なくともL−RNAの投与量に相当する投与量、好ましくはL−RNAの投与量の2〜100倍、好ましくは2〜20倍に相当する投与量でL−リボザイムを含有する請求項3、5、または6に記載の使用。
- 前記L−リボザイムが、ハンマーヘッド型リボザイムである請求項3から7のいずれか一項に記載の使用。
- 前記製薬組成物が、さらに、標的配列の範囲内で二本鎖D−RNAまたはL−RNAを溶解することができる核酸、特に5〜20merを含有する請求項3から8のいずれか一項に記載の使用。
- L−RNAを含む治療分子の投与に基づく望ましくない生理学的副反応に対処するための、L−リボザイムを含む製薬組成物。
- 遺伝子をコード化する内在性標的D−RNAの標的配列をL−リボザイムが切断することができる、少なくとも1つの内在性遺伝子の過剰発現を伴う疾患を治療または予防するためのL−リボザイムを含む製薬組成物。
- 請求項10または11に記載の製薬組成物を製造するための方法であって、L−ヌクレオチドからなる配列が生成されて合成され、前記配列が、L−リボヌクレオチドからなる所定の配列またはD−リボヌクレオチドからなる所定の配列を切断することができ、前記L−リボザイムが、薬理学的に有効な量で、投与のために準備されている方法。
- 前記L−リボザイムが、生薬補助剤および/または担持剤と混合される請求項12に記載の方法。
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US20130237591A1 (en) | 2013-09-12 |
JP2015143263A (ja) | 2015-08-06 |
US20150140020A1 (en) | 2015-05-21 |
AU2010211370A1 (en) | 2011-09-29 |
ES2427244T3 (es) | 2013-10-29 |
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