JP7498499B2 - 心臓、骨格筋、及び筋幹細胞におけるインビボ相同組換え修復 - Google Patents
心臓、骨格筋、及び筋幹細胞におけるインビボ相同組換え修復 Download PDFInfo
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Description
本出願は、2018年5月3日出願の米国仮特許出願第62/666,685号の利益を主張し、その内容全体が参照によって本明細書に組み込まれる。
特定の実施形態では、例えば以下の項目が提供される。
(項目1)
対象におけるインビボでの筋前駆細胞のゲノム改変方法であって、前記筋細胞を1つ以上のウイルスと接触させることを含み、前記1つ以上のウイルスが、
a.前記筋前駆細胞中で配列標的化ヌクレアーゼをコードする核酸配列を形質導入し、
b.前記筋前駆細胞中でドナー鋳型を形質導入し、
前記改変が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含む、前記方法。
(項目2)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列及びドナー鋳型を形質導入する第1ウイルスを含む、項目1に記載の方法。
(項目3)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1ウイルスと、ドナー鋳型を形質導入する第2ウイルスとを含む、項目1に記載の方法。
(項目4)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1ウイルスと、ドナー鋳型及び1つ以上のgRNAを形質導入する第2ウイルスとを含む、項目1に記載の方法。
(項目5)
前記配列標的化ヌクレアーゼが、ジンクフィンガーヌクレアーゼ(ZFN)、転写活性化因子様エフェクターヌクレアーゼ(TALEN)、Casヌクレアーゼ、またはそれらの機能的断片もしくは機能的バリアントである、項目1~4に記載の方法。
(項目6)
前記CasヌクレアーゼがCas9ヌクレアーゼである、項目5に記載の方法。
(項目7)
配列標的化ヌクレアーゼをコードする前記核酸配列が、筋前駆細胞特異的プロモーター、構成的プロモーター、またはユビキタスプロモーターで形質導入される、項目1~6に記載の方法。
(項目8)
ドナー鋳型、及び場合により、1つ以上のgRNAをコードする前記核酸配列が、U6またはH1プロモーターで形質導入される、項目1~7に記載の方法。
(項目9)
前記筋前駆細胞が筋幹細胞である、項目1~8に記載の方法。
(項目10)
前記対象における筋前駆細胞の少なくとも1%が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含むように改変される、項目1~9に記載の方法。
(項目11)
前記対象における筋前駆細胞の少なくとも40%が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含むように改変される、項目1~9に記載の方法。
(項目12)
前記ウイルスが、AAV血清型6、8、9、10またはAnc80である、項目1~11に記載の方法。
(項目13)
前記対象が若年者である、項目1~12に記載の方法。
(項目14)
前記ウイルスが前記対象に全身投与される、項目1~13に記載の方法。
(項目15)
項目1~14に記載の方法によって改変されたゲノムを有する筋核を含む、筋線維。
(項目16)
対象におけるインビボでの心臓細胞のゲノム改変方法であって、前記心臓細胞を1つ以上のウイルスと接触させることを含み、前記1つ以上のウイルスが、
a.前記心臓細胞中で配列標的化ヌクレアーゼをコードする核酸配列を形質導入し、
b.前記心臓細胞中でドナー鋳型を形質導入し、
前記改変が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含み、前記心臓細胞が、DNA合成心臓細胞または複製心臓細胞である、前記方法。
(項目17)
前記心臓細胞が、分裂/増殖せずにDNA合成が可能な哺乳動物の有糸分裂後心筋細胞、分裂/増殖せずにDNA合成が可能なヒト有糸分裂後心筋細胞、心筋細胞前駆細胞、増殖間葉系心臓細胞、増殖内皮心臓細胞、及び心筋前駆細胞からなる群から選択される、項目14に記載の方法。
(項目18)
前記対象が、乳児、若年者、または30歳未満である、項目16~17に記載の方法。
(項目19)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列及びドナー鋳型を形質導入する第1ウイルスを含む、項目16~18に記載の方法。
(項目20)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1ウイルスと、ドナー鋳型を形質導入する第2ウイルスとを含む、項目16~19に記載の方法。
(項目21)
前記1つ以上のウイルスが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1ウイルスと、ドナー鋳型及び1つ以上のgRNAを形質導入する第2ウイルスとを含む、項目16~19に記載の方法。
(項目22)
前記配列標的化ヌクレアーゼが、ジンクフィンガーヌクレアーゼ(ZFN)、転写活性化因子様エフェクターヌクレアーゼ(TALEN)、Casヌクレアーゼ、またはそれらの機能的断片である、項目16~21に記載の方法。
(項目23)
前記CasヌクレアーゼがCas9ヌクレアーゼである、項目22に記載の方法。
(項目24)
配列標的化ヌクレアーゼをコードする前記核酸配列が、心臓特異的プロモーター、ユビキタスプロモーター、または非特異的プロモーターで形質導入される、項目16~23に記載の方法。
(項目25)
前記ウイルスが、AAV血清型6、8、9、10またはAnc80である、項目16~24に記載の方法。
(項目26)
前記対象における前記心筋細胞の少なくとも1.6%が改変される、項目16~25に記載の方法。
(項目27)
項目16~26に記載の方法によって改変された心筋細胞を含む、心臓組織。
(項目28)
相同組換え修復による対象におけるインビボでのゲノム改変を目的とした特定の横紋筋タイプの標的化方法であって、1つ以上のウイルスを全身投与することを含み、前記1つ以上のウイルスが、
a.横紋筋細胞中で配列標的化ヌクレアーゼをコードする核酸配列を形質導入し、
b.横紋筋細胞中でドナー鋳型を形質導入し、
前記改変が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含み、前記対象の年齢ゆえに、ゲノム改変が少なくとも1つの横紋筋タイプに選択的に生じる、前記方法。
(項目29)
筋細胞または筋前駆細胞の前記ゲノムが選択的に改変される、項目28に記載の方法。
(項目30)
心臓細胞または心臓前駆細胞の前記ゲノムが選択的に改変される、項目28に記載の方法。
(項目31)
前記対象が、乳児、若年者、または成人である、項目28~30に記載の方法。
Claims (26)
- 対象におけるインビボでの出生後筋前駆細胞の相同組換え修復によるゲノム改変方法において使用するための、血清型8、10またはAnc80の1つ以上のアデノ随伴ウイルス(AAV)を含む組成物であって、前記1つ以上のAAVが、
a.前記出生後筋前駆細胞中で配列標的化ヌクレアーゼをコードする核酸配列を形質導入し、
b.前記出生後筋前駆細胞中でドナー鋳型を形質導入し、
前記方法が、出生後筋細胞を前記組成物と接触させることを含み、
前記改変が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含む、前記組成物。 - 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列及びドナー鋳型を形質導入する第1AAVを含む、請求項1に記載の組成物。
- 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1AAVと、ドナー鋳型を形質導入する第2AAVとを含む、請求項1に記載の組成物。
- 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1AAVと、ドナー鋳型及び1つ以上のgRNAを形質導入する第2AAVとを含む、請求項1に記載の組成物。
- 前記配列標的化ヌクレアーゼが、ジンクフィンガーヌクレアーゼ(ZFN)、転写活性化因子様エフェクターヌクレアーゼ(TALEN)、Casヌクレアーゼ、またはそれらの機能的断片もしくは機能的バリアントである、請求項1~4に記載の組成物。
- 前記CasヌクレアーゼがCas9ヌクレアーゼである、請求項5に記載の組成物。
- 配列標的化ヌクレアーゼをコードする前記核酸配列が、筋前駆細胞特異的プロモーター、構成的プロモーター、またはユビキタスプロモーターで形質導入される、請求項1~6に記載の組成物。
- ドナー鋳型、及び場合により、1つ以上のgRNAをコードする前記核酸配列が、U6またはH1プロモーターで形質導入される、請求項1~7に記載の組成物。
- 前記出生後筋前駆細胞が筋幹細胞である、請求項1~8に記載の組成物。
- 前記対象における出生後筋前駆細胞の少なくとも1%が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含むように改変される、請求項1~9に記載の組成物。
- 前記対象における出生後筋前駆細胞の少なくとも40%が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含むように改変される、請求項1~9に記載の組成物。
- 前記ウイルスが、AAV血清型8である、請求項1~11に記載の組成物。
- 前記対象が若年者である、請求項1~12に記載の組成物。
- 前記対象に全身投与されるものである、請求項1~13に記載の組成物。
- 請求項1~14に記載の組成物によって改変されたゲノムを有する筋核を含む、筋線維。
- 対象におけるインビボでの出生後心臓細胞の相同組換え修復によるゲノム改変方法において使用するための、血清型8の1つ以上のアデノ随伴ウイルス(AAV)を含む組成物であって、前記1つ以上のAAVが、
a.前記出生後心臓細胞中で配列標的化ヌクレアーゼをコードする核酸配列を形質導入し、
b.前記出生後心臓細胞中でドナー鋳型を形質導入し、
前記方法が、前記出生後心臓細胞を前記組成物と接触させることを含み、
前記改変が、前記ドナー鋳型のヌクレオチド配列に対応するヌクレオチド配列の挿入を含み、前記出生後心臓細胞が、DNAを合成または複製することのできる出生後心臓細胞である、前記組成物。 - 前記出生後心臓細胞が、分裂/増殖せずにDNA合成が可能な哺乳動物の有糸分裂後心筋細胞、分裂/増殖せずにDNA合成が可能なヒト有糸分裂後心筋細胞、心筋細胞前駆細胞、増殖間葉系心臓細胞、増殖内皮心臓細胞、及び心筋前駆細胞からなる群から選択される、請求項16に記載の組成物。
- 前記対象が、乳児、若年者、または30歳未満である、請求項16~17に記載の組成物。
- 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列及びドナー鋳型を形質導入する第1AAVを含む、請求項16~18に記載の組成物。
- 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1AAVと、ドナー鋳型を形質導入する第2AAVとを含む、請求項16~19に記載の組成物。
- 前記1つ以上のAAVが、配列標的化ヌクレアーゼをコードする核酸配列を形質導入する第1AAVと、ドナー鋳型及び1つ以上のgRNAを形質導入する第2AAVとを含む、請求項16~19に記載の組成物。
- 前記配列標的化ヌクレアーゼが、ジンクフィンガーヌクレアーゼ(ZFN)、転写活性化因子様エフェクターヌクレアーゼ(TALEN)、Casヌクレアーゼ、またはそれらの機能的断片である、請求項16~21に記載の組成物。
- 前記CasヌクレアーゼがCas9ヌクレアーゼである、請求項22に記載の組成物。
- 配列標的化ヌクレアーゼをコードする前記核酸配列が、心臓特異的プロモーター、ユビキタスプロモーター、または非特異的プロモーターで形質導入される、請求項16~23に記載の組成物。
- 前記対象における前記心筋細胞の少なくとも1.6%が改変される、請求項17、および、請求項17を直接または間接的に引用する場合の請求項18~24に記載の組成物。
- 請求項16~25に記載の組成物によって改変された心筋細胞を含む、出生後心臓組織。
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