JP7578490B2 - 拡張アンチコドンループを有する合成転移rna - Google Patents
拡張アンチコドンループを有する合成転移rna Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Description
Ala A GCU、GCC、GCA、GCG
Arg R CGU、CGC、CGA、CGG、AGA、AGG
Asn N AAU、AAC
Asp D GAU、GAC
Cys C UGU、UGC
Gln Q CAA、CAG
Glu E GAA、GAG
Gly G GGU、GGC、GGA、GGG
His H CAU、CAC
Ile I AUU、AUC、AUA
Leu L UUA、UUG、CUU、CUC、CUA、CUG
Lys K AAA、AAG
Met M AUG
Phe F UUU、UUC
Pro P CCU、CCC、CCA、CCG
Ser S UCU、UCC、UCA、UCG、AGU、AGC
Thr T ACU、ACC、ACA、ACG
Trp W UGG
Tyr Y UAU、UAC
Val V GUU、GUC、GUA、GUG
開始:AUG
終止:UAA、UGA、UAG、「X」と略す
別段の指示がない限り、配列はすべて5’-3’方向に記述する。すべての配列において、マイナス記号(ハイフン「-」)を使用する場合は明確性のみを目的としており、物理的なヌクレオチドを指してはいない。ページ上で配列を整える印刷の体裁上の慣例にすぎない。また、明示的に別段の定めをしない限り、塩基には、前述のtRNA規則に従わず、単に連続的に番号を付けている。
元のヒトtRNA-Leu(M2GAA)(GenBank受託番号:X04700.1;下線はアンチコドン)、SEQ ID番号:01:
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUNAAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
5’-CAGUUA-3’ 次のコドンに相補的な6ntアンチコドンペア:
3’-GUCAAU-5’ mRNA配列(5’-終止-leu-3’)が認識されることになる。
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUUAAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUCAGUUAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGAUCAGUUAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACCAGUUAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUCAGUUAUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUCAGUUAGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GCCGGGGUGGCGGAAUGGGUAGACGCGCAUGACUCAGGAUCAUGUGCGCAAGCGUGCGGGUUCAAGUCCCGCCCCCGGCACCA
GGCAGGCUGAGGGAGAUGGUCAACCUAGCCAGCUCAGUUAGCUGGCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGCCUGCCACCA
GACAGGCUGAGGGAGAUGGUCAACCUAGCAGCCUCAGUUAGGCUGCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGCCUGUCACCA
GCCAGCCUGAGGGAGAUGGUCAACCUAGCCAGCUCAGUUAGCUGGCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGGCACCA
GGCAGCCUGAGGGAGAUGGUCAACCUAGCAGCCUCAGUUAGGCUGCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGCCACCA
GCCAGCCUGAGGGAGAUGGUCAACCUAGGUGCCUCAGUUAGGCACCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGGCACCA
GCCAGCCUGAGGGAGAUGGUCAACCUACUGGACUCAGUUAGUCCAGUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGGCACCA
GCCAGCCUGAGGGAGAUGGUCAACCUACCGGACUCAGUUAGUCCGGUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGGCACCA
GCCAGCCUGAGGGAGAUGGUCAACCUACCUGCCUCAGUUAGGCAGGUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGGCUGGCACCA
GCCAGGCUGAGGGAGAUGGUCAACCUAGCUCACUCAGUUAGUGAGCUCUCCGGAUGGAGCGUGGCUUCGAAUGCCACGCCUGGCACCA
CAA CGA GCA (野生型ヌクレオチド配列)
Q R A (野生型アミノ酸配列)
CAA TGA GCA (変異ヌクレオチド配列)
Q X A (変異ヌクレオチド配列)
tRNAは、6ntアンチコドンペア(UGCUCA)を有し、アラニン(Ala、A)でアミノアシル化されるよう、すなわち、Ala-tRNAと同一性を持つよう設計した(mRNAの3’方向)。
5’-UGCUCA-3’ 以下の2つのコドンに相補的な6ntアンチコドンペア
3’-ACGAGU-5’ mRNA配列(5-終止-Ala-3’;XA)が認識される。
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUAGCAUGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCC
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUUGCUCAAUGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCCACCA
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUGCUCAAUGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCCACCA
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUUGCUCAUGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCCACCA
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUUGCUCAAGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCCACCA
GGGGAAUUAGCUCAAAUGGUAGAGCGCUCGCUUUGCUCAAGCGAGAGGUAGCGGGAUCGAUGCCCGCAUUCUCCACCA
GGGGNNNUAGCUCAGNNGGUAGAGCGNNNNNCUUGCUCAANNNNNANGNCNNNNGUUCGAUCCNNNNNNNCUCCACCA
天然ヒトtRNAAlaに基づく異なるtRNA(n1~n6、SEQ ID番号:33~38)をin vitroで合成した。すべてのtRNAが、アンチ終止コドン(すなわち、終止コドンに相補的なアンチコドン)を含む同じ非拡張アンチコドンループを有していた。このために、tRNA配列を有するオリゴヌクレオチドをT7プロモーター配列(SEQ ID番号:32)とライゲーションさせ、T7をベースとするin vitro転写系でtRNAを生成させた。次いで、ポリアクリルアミドゲル電気泳動(PAGE)を用いてtRNAを精製した。
GGGGCGGUAGCUCAGAAGGGAGAGCAGCGGCCUUCAGAGCCGCGAGACUGCCCUUCGAUUGGGCACCGCUCCACCA
GGGGCGGUAGCUCAGAAGGGAGAGCAGCGGCCUUCAGAGCCGCGAGACAGGGGUUCGAUUCCCCUCCGCUCCACCA
GGGGCGGUAGCGCAGCCUGGUAGCGCAGCGGCCUUCAGAGCCGCGAGACUGCCCUUCGAUUGGGCACCGCUCCACCA
GGGGCGGUAGCGCAGCCUGGUAGCGCAGCGGCCUUCAGAGCCGCGAGACAGGGGUUCGAUUCCCCUCCGCUCCACCA
3’-UCCCC-5’
5’-AGGGG-3’
を持つよう修飾したtRNA TS2(SEQ ID番号:43)は、読み飛ばしを示した(図4のTS2参照)。AGGGG配列の3’末端にあるGとUCCCC配列の5’末端にあるCとの間にTループが存在することになる点に注意する必要がある。したがって、対応するTアームは、構造5’-AGGGG-(Tループ)-CCCCU-3’を有することになる。
CFTR遺伝子の位置3276にあるCをAまたはGに変化させて得た、修飾したtRNALeuを使用して、CFTRにおけるY1092X変異を修正した。
天然CFTR配列:TTGTACCTG
変異配列(C3276A):TTGTAACTG
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCACCUCAGUUAGAGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCACCUCAGUUAAAGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUCAGUUAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCACCUCAGUUAGGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCACCUCAGUUAAGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCACCUCAGUUAUGUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGAUCAGUUAGUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
GUCAGGAUGGCCGAGUGGUCUAAGGCGCCAGACUCAGUUAUUCUGGUCUCCGGAUGGAGCGUGGGUUCGAAUCCCACUUCUGACACCA
Claims (14)
- mRNA上の2つの連続する3塩基コドンに塩基対合するよう構成された2つの連続する3塩基アンチコドンを含む拡張アンチコドンループを有する合成転移RNAであって、
2つの連続する3塩基アンチコドン塩基のうちの一方が、mRNA上の3塩基終止コドンに塩基対合するよう構成され、前記2つの連続する3塩基アンチコドンのうちの他方が、前記mRNA上の3塩基終止コドンに隣接する3塩基コドン塩基に塩基対合するよう構成され、
前記合成転移RNAは、翻訳系におけるmRNAの読み取りを変化させるサプレッサーtRNAであり、
前記アンチコドンループが9ヌクレオチドからなり、
前記アンチコドンループの3’末端の6塩基が2つの連続する3塩基アンチコドン塩基である
ことを特徴とする合成転移RNA。 - 前記転移RNAがアミノアシル化されている
請求項1に記載の合成転移RNA。 - 前記転移RNAがジペプチドでアミノアシル化されている
請求項2に記載の合成転移RNA。 - 前記転移RNAに関して5’-3’方向に、第1のTステム配列、Tループ、および第2のTステム配列からなるTアームを有し、前記第2のTステム配列が前記第1のTステム配列に相補的である合成転移RNAにおいて、前記第1のTステム配列がヌクレオチド配列AGGGGを有し、かつ第2のTステム配列がヌクレオチド配列CCCCUを有する
請求項1ないし3のいずれかに記載の合成転移RNA。 - 前記合成転移RNAは、SEQ ID番号:31の配列GCGCAGCCUGGUAGCGCを有するDアームを含む
請求項1ないし4のいずれかに記載の合成転移RNA。 - 前記合成転移RNAが、
a)SEQ ID番号:06、もしくは09~17に従った配列のうちの1つ、またはb)SEQ ID番号:06、もしくは09~17に従った配列のうちの1つと少なくとも90%の配列同一性を有する配列、またはc)上記a)もしくはb)の配列であって、前記ヌクレオチドの少なくとも1つが、対応する修飾ヌクレオチドに置き換えられている配列を有する、または含む
請求項1ないし5のいずれかに記載の合成転移RNA。 - 前記転移RNAが、a)ACUCAGUUAからなる配列、またはb)上記a)の配列であって、前記ヌクレオチドの少なくとも1つが、対応する修飾ヌクレオチドに置き換えられている配列を含むアンチコドンループを有する
請求項1ないし6のいずれかに記載の合成転移RNA。 - 前記アンチコドンループに隣接するアンチコドンステムのヌクレオチドが、G-CまたはC-G対を形成する
請求項1ないし7のいずれかに記載の合成転移RNA。 - 薬剤として使用するための
請求項1ないし8のいずれかに記載の合成転移RNA。 - mRNAの翻訳を早期停止させるナンセンス変異に少なくとも部分的に起因する疾患における薬剤として使用するための
請求項1ないし8のいずれかに記載の合成転移RNA。 - 嚢胞性線維症、デュシェンヌ型筋ジストロフィー、神経線維腫症1型、またはハーラー症候群を治療する薬剤として使用するための
請求項1ないし8のいずれかに記載の合成転移RNA。 - 嚢胞性線維症を治療する薬剤として使用するための、請求項11に記載の合成転移RNAであって、前記拡張アンチコドンループの前記2つの連続する3塩基アンチコドンが配列CAGUUAを有する
ことを特徴とする合成転移RNA。 - 前記転移RNAが、a)ACUCAGUUAからなる配列を含むアンチコドンループ、またはb)上記a)の配列のうちの1つを含むアンチコドンループであって、前記ヌクレオチドの少なくとも1つが、対応する修飾ヌクレオチドに置き換えられているアンチコドンループを有する
請求項12に記載の合成転移RNA。 - 前記転移RNAが、a)SEQ ID番号:6の配列、またはb)SEQ ID番号:6の配列であって、前記ヌクレオチドの少なくとも1つが、対応する修飾ヌクレオチドに置き換えられている配列を含む
請求項13に記載の合成転移RNA。
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| DE102018106080.7 | 2018-03-15 | ||
| LULU100734 | 2018-03-15 | ||
| LU100734A LU100734B1 (en) | 2018-03-15 | 2018-03-15 | Synthetic transfer RNA with extended anticodon loop |
| DE102018106080 | 2018-03-15 | ||
| PCT/EP2019/056429 WO2019175316A1 (en) | 2018-03-15 | 2019-03-14 | Synthetic transfer rna with extended anticodon loop |
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| JP7578490B2 (ja) | 2018-03-15 | 2024-11-06 | アークタラス テラピュウティクス、インク | 拡張アンチコドンループを有する合成転移rna |
| EP4041317A4 (en) * | 2019-10-11 | 2024-05-22 | University of Massachusetts | RAAV-MEDIATED IN VIVO ADMINISTRATION OF ARNT SUPPRESSANTS |
| WO2021142343A1 (en) * | 2020-01-09 | 2021-07-15 | The Regents Of The University Of California | Targeting transfer rna for the suppression of nonsense mutations in messenger rna |
| AU2021255583A1 (en) | 2020-04-14 | 2022-11-10 | Flagship Pioneering Innovations Vi, Llc | Trem compositions and uses thereof |
| EP4202045A1 (en) | 2021-12-22 | 2023-06-28 | Universität Hamburg | Synthetic transfer rna with modified nucleotides |
| EP4442826A1 (en) | 2023-04-06 | 2024-10-09 | Universität Hamburg | Synthetic dna construct encoding transfer rna |
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| US6964859B2 (en) | 2001-10-16 | 2005-11-15 | Massachusetts Institute Of Technology | Suppressor tRNA system |
| PT1914314E (pt) | 2003-07-07 | 2010-09-08 | Scripps Research Inst | Composições de pares ortogonais de lisil-arnt e aminoacil-arnt-sintetase e suas utilizações |
| EP1704242A4 (en) | 2003-07-07 | 2008-06-18 | Scripps Research Inst | COMPOSITIONS WITH PAIRS OF ORTHOGONAL LEUCYL-TRNA AND AMINOACYL-TRNA-SYNTHETASE AND USES THEREOF |
| JP5232138B2 (ja) * | 2006-04-22 | 2013-07-10 | スカラブ ゲノミクス, エルエルシー | tRNA遺伝子をしようする、組み換えタンパク質産生のための方法および組成物 |
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| WO2019175316A1 (en) | 2019-09-19 |
| US12077754B2 (en) | 2024-09-03 |
| EP3765609A1 (en) | 2021-01-20 |
| US11434485B2 (en) | 2022-09-06 |
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| AU2019233673A1 (en) | 2020-11-12 |
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