JP2019514397A - 血友病aの治療に有用な操作されたヌクレアーゼ - Google Patents
血友病aの治療に有用な操作されたヌクレアーゼ Download PDFInfo
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Abstract
Description
本出願は、2016年5月3日に出願された、「血友病Aの治療に有用な操作されたヌクレアーゼ(ENGINEERED NUCLEASES USEFUL FOR TREATMENT OF HEMOPHILIA A)」と題される米国特許仮出願第62/33 1,335号の優先権を主張し、その開示内容全体が参照により本明細書に組み込まれる。
本出願には、EFS−Webを介してASCIIフォーマットで提出された配列表が含まれており、参照によりその全体が本明細書に組み込まれる。2017年5月2日に作成されたこのASCIIコピーは、182W01_Sequence_Listing_Finalという名称でサイズは172,847バイトである。
F8R認識配列を認識し切断するメガヌクレアーゼの特徴付け
ヒト第VIII因子遺伝子におけるエクソン1−22の逆位
293細胞中のF8Rヌクレアーゼによる第VIII因子遺伝子の逆位及び逆デジタルPCRによる効率の決定
D1:[5’−ACATACGGTTTAGTCACAAGT−3’](配列番号89)
U3:[5’−TCCAGTCACTTAGGCTCAG−3’](配列番号90)
初代ヒトT細胞におけるF8Rヌクレアーゼによる第VIII因子遺伝子の逆位及び長距離PCRによる編集の決定
REV1:[5’−CCCCGGCACTTGAAAGTAGCAGATGCAAGAAGGGCACA−3’](配列番号92)
FWD3:[5’−ACTATAACCAGCACCTTGAACTTCCCCTCTCATA−3’](配列番号93)
初代ヒト患者T細胞におけるF8Rヌクレアーゼによる第VIII因子遺伝子の復帰と長距離PCRによる編集の決定
HID:[5’−GGCCCTACAACCATTCTGCCTTTCACTTTCAGTGCAATA−3’](配列番号95)
H3D:[5’−CACAAGGGGGAAGAGTGTGAGGGTGTGGGATAAGAA−3’](配列番号96)
Claims (46)
- 第VIII因子遺伝子のint22h−1配列内の認識配列を認識し切断する操作されたメガヌクレアーゼであって、
前記操作されたメガヌクレアーゼは、第1のサブユニットと第2のサブユニットとを含み、前記第1のサブユニットは、前記認識配列の第1の認識ハーフサイトに結合し、第1の超可変領域(HVR1)を含み、前記第2のサブユニットは、前記認識配列の第2の認識ハーフサイトに結合し、第2の超可変領域(HVR2)を含む、操作されたメガヌクレアーゼ。 - 前記認識配列が前記第VIII因子遺伝子のF8A1コード配列内にある、請求項1に記載の操作されたメガヌクレアーゼ。
- 前記F8A1コード配列が、配列番号5又は配列番号6と少なくとも95%の配列同一性を有する、請求項2に記載の操作されたメガヌクレアーゼ。
- 前記認識配列が配列番号9を含む、請求項1〜3のいずれか一項に記載の操作されたメガヌクレアーゼ。
- 前記HVR1領域が、配列番号28〜31のいずれか1つの残基215〜270に対応するアミノ酸配列と少なくとも80%の配列同一性を有するアミノ酸配列を含む、請求項4に記載の操作されたメガヌクレアーゼ。
- 前記HVR1領域が、配列番号28〜31のいずれか1つの残基215,217,219,221,223,224,231,233,235,237,261,266,及び268に対応する残基を含む、請求項4又は5に記載の操作されたメガヌクレアーゼ。
- 前記HVR1領域が、配列番号28〜31のいずれか1つの残基215〜270を含む、請求項4〜6のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記HVR2領域が、配列番号28〜31のいずれか1つの残基24〜79に対応するアミノ酸配列に対して少なくとも80%の配列同一性を有するアミノ酸配列を含む、請求項4〜7のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記HVR2領域が、配列番号28〜31のいずれか1つの残基24,26,28,32,33,38,40,42,44,46,68,70,75,及び77に対応する残基を含む、請求項4〜8のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記HVR2領域が、配列番号30の残基73に対応する残基を更に含む、請求項4〜9のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記HVR2領域が、配列番号28〜31のいずれか1つの残基24〜79を含む、請求項4〜10のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記第1のサブユニットが、配列番号28〜31のいずれか1つの残基198〜344に対して少なくとも80%の配列同一性を有するアミノ酸配列を含み、前記第2のサブユニットが、配列番号28〜31のいずれか1つの残基7〜153に対して少なくとも80%の配列同一性を有するアミノ酸配列を含む、請求項4〜11のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記第1のサブユニットが、配列番号28〜31のいずれか1つの残基198〜344を含む、請求項4〜12のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記第2のサブユニットが、配列番号28〜31のいずれか1つの残基7〜153を含む、請求項4〜13のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記操作されたメガヌクレアーゼがリンカーを含む一本鎖メガヌクレアーゼであり、前記リンカーが前記第1のサブユニットと前記第2のサブユニットとを共有結合する、請求項4〜14のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 前記操作されたメガヌクレアーゼが、配列番号28〜31のいずれか1つのアミノ酸配列を含む、請求項4〜15のいずれか1項に記載の操作されたメガヌクレアーゼ。
- 請求項1〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする核酸配列を含む、単離されたポリヌクレオチド。
- 前記単離されたポリヌクレオチドがmRNAである、請求項17に記載の単離されたポリヌクレオチド。
- 請求項1〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする核酸配列を含む、組換えDNA構築物。
- 前記組換えDNA構築物が、請求項1〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする前記核酸配列を含むウイルスベクターをコードする、請求項19に記載の組換えDNA構築物。
- 前記ウイルスベクターが、組換えアデノ随伴ウイルス(AAV)ベクターである、請求項19又は20に記載の組換えDNA構築物。
- 請求項1〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする核酸配列を含む、ウイルスベクター。
- 前記ウイルスベクターが組換えAAVベクターである、請求項22に記載のウイルスベクター。
- 第VIII因子遺伝子のエクソン1−22の逆位を特徴とする血友病Aを有する被験体を治療するための医薬組成物であって、
前記医薬組成物は、薬学的に許容される担体と、
(a)操作されたヌクレアーゼをコードする核酸であって、前記操作されたヌクレアーゼがインビボで発現する、核酸、又は
(b)操作されたヌクレアーゼタンパク質
と、を含み、
前記操作されたヌクレアーゼは、前記第VIII因子遺伝子のint22h−1配列内に位置する第1の認識配列に対する特異性を有する、医薬組成物。 - 前記第1の認識配列がF8A1コード配列内にある、請求項24に記載の医薬組成物。
- 前記F8A1コード配列が、配列番号5又は配列番号6と少なくとも95%の配列同一性を有する、請求項25に記載の医薬組成物。
- 前記操作されたヌクレアーゼが、前記第1の認識配列と同一である第2の認識配列に対して特異性を有し、前記第2の認識配列が、X染色体の前記第VIII因子遺伝子のテロメアの反復配列に位置し、前記反復配列は、前記反復配列が前記int22h−1配列に対して逆向きであることを除いて、前記int22h−1配列と同一である、請求項24〜26のいずれか1項に記載の医薬組成物。
- 前記核酸がmRNAである、請求項24〜27のいずれか1項に記載の医薬組成物。
- 前記医薬組成物が、前記核酸を含む組換えDNA構築物を含む、請求項24〜27のいずれか1項に記載の医薬組成物。
- 前記医薬組成物が、前記核酸を含むウイルスベクターを含む、請求項24〜27のいずれか1項に記載の医薬組成物。
- 前記ウイルスベクターが組換えAAVベクターである、請求項30に記載の医薬組成物。
- 前記操作されたヌクレアーゼが、操作されたメガヌクレアーゼ、TALEN、ジンクフィンガーヌクレアーゼ、コンパクトTALEN、CRISPR、又はmegaTALである、請求項24〜31のいずれか1項に記載の医薬組成物。
- 前記操作されたヌクレアーゼが操作されたメガヌクレアーゼである、請求項24〜32のいずれか1項に記載の医薬組成物。
- 前記第1の認識配列が配列番号9を含む、請求項33に記載の医薬組成物。
- 前記核酸が、請求項4〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする、請求項34に記載の医薬組成物。
- 前記操作されたメガヌクレアーゼが、配列番号28〜31のいずれか1つのアミノ酸配列を含む、請求項35に記載の医薬組成物。
- 第VIII因子遺伝子のエクソン1−22の逆位を特徴とする血友病Aを有する被験体を治療する方法であって、前記方法が、前記被験体に請求項24〜36のいずれか1項に記載の前記医薬組成物を投与することを含む、方法。
- 前記操作されたヌクレアーゼ又は前記操作されたヌクレアーゼをコードする前記核酸が、野生型被験体において第VIII因子を発現する細胞又は野生型被験体において第VIII因子を発現する細胞に分化する前駆細胞に送達される、請求項37に記載の方法。
- 前記細胞が肝類洞内皮細胞である、請求項37又は38に記載の方法。
- 前記細胞が、肝類洞内皮細胞に分化する前駆細胞である、請求項37又は38に記載の方法。
- 前記操作されたヌクレアーゼが、前記int22h−1配列と前記反復配列との間の組換えを促進するために前記第1の認識配列を認識し切断し、野生型第VIII因子遺伝子を生成させるためにエクソン1−22を復帰させる、請求項37〜40のいずれか1項に記載の方法。
- 前記操作されたヌクレアーゼが、前記反復配列中の前記第2の認識配列を更に認識し切断する、請求項41に記載の方法。
- 前記操作されたヌクレアーゼが操作されたメガヌクレアーゼである、請求項37〜42のいずれか1項に記載の方法。
- 前記医薬組成物が、請求項1〜16のいずれか1項に記載の前記操作されたメガヌクレアーゼをコードする核酸を含む、請求項43に記載の方法。
- 前記被験体がヒトである、請求項37〜44のいずれか1項に記載の方法。
- 前記被験体がイヌである、請求項37〜44のいずれか1項に記載の方法。
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US11142750B2 (en) | 2018-04-12 | 2021-10-12 | Precision Biosciences, Inc. | Optimized engineered meganucleases having specificity for a recognition sequence in the Hepatitis B virus genome |
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US20160045575A1 (en) * | 2012-12-07 | 2016-02-18 | Tom E. HOWARD | FACTOR VIII MUTATION REPAIR AND TOLERANCE INDUCTION AND RELATED cDNAs, COMPOSITIONS, METHODS AND SYSTEMS |
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