JP7390290B2 - 霊長類網膜色素上皮細胞特異的プロモーターSynP61 - Google Patents
霊長類網膜色素上皮細胞特異的プロモーターSynP61 Download PDFInfo
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Description
本試験で使用した合成プロモーター(配列番号1)は、網膜Gタンパク質共役受容体(Rgr)をコードするマウス遺伝子の翻訳開始コドンの前の2000bpから成る。ChR2-eGFPコーディング配列は、このプロモーター及び最適化コザック配列(GCCACC)の直後に挿入され、それにウッドチャック肝炎ウイルス転写後制御エレメント(WPRE)及びSV40ポリアデニル化部位が続いた。1.56E+13GC/mLの力価を有するAAV血清型BP2を使用して、非ヒト霊長類網膜ニューロンを標的化した。
AAV投与は、Kunming,Chinaにおいて眼科医及び外部委託先と連携して実施した。アカゲザルは、ケタミン及びフェノバルビタールナトリウムにより麻酔した。2本の穿刺トンネルは、それぞれ鼻腔及び側頭胸膜領域に配置された25ゲージの穿刺針を使用して作成した。1本のトンネルを通して照明用ファイバーを硝子体腔内に注入し、50μLのAAVは、第2トンネルを通してハミルトンシリンジ上に取り付けた30ゲージ針を使用して網膜下に注射した。3カ月後、単離網膜を30分間に渡りPBS中の4%のPFA中で固定し、次いでPBS中で4℃において洗浄ステップを行った。全網膜は、室温で1時間に渡り10%の標準ロバ血清(NDS)、1%のBSA、PBS中の0.5%のTriton X-100により処理した。PBS中3%のNDS、1%のBSA、0.5%のTriton X-100中のモノクローナルラット抗GFP Ab(Molecular Probes Inc.;1:500)による処理を室温で5日間実施した。二次ロバ抗ラットAlexa Fluor-488Ab(Molecular Probes Inc.;1:200)による処理を2時間に渡り実施した。切片を洗浄し、スライドガラス上にProLong Gold褪色防止用試薬(Molecular Probes Inc.)と共に載せ、Zeiss LSM 700 Axio Imager Z2レーザー走査型共焦点顕微鏡(Carl Zeiss Inc.)を使用してイメージングした。
本発明は、以下の態様を含み得る。
[1]
霊長類の網膜色素上皮の細胞中で外生遺伝子を特異的に発現させるための方法であって、配列番号1の核酸配列を含む、若しくはそれから成る、又は配列番号1の前記配列と、前記霊長類の前記網膜色素上皮の細胞と少なくとも80%の全体的な同一性を有する少なくとも1500bpの核酸配列から成る単離核酸分子を送達するステップを含み、前記単離核酸分子は、外生遺伝子をコードする核酸配列が前記単離核酸分子に作動可能に結合している場合、霊長類の前記網膜色素上皮の細胞中での前記外生遺伝子の発現を特異的にもたらす方法。
[2]
前記単離核酸分子は、最小プロモーター、例えば、配列番号2の前記最小プロモーターを更に含む、[1]に記載の方法。
[3]
前記単離核酸分子は、発現カセットの一部である、[1]又は[2]に記載の方法。
[4]
前記発現カセットは、ベクターの一部である、[3]に記載の方法。
[5]
前記ベクターは、ウイルスベクターである、[4]に記載の方法。
[6]
配列番号1の核酸配列を含み、若しくはそれから成り、又は配列番号1の前記配列と少なくとも80%の全体的な同一性を有する少なくとも1500bpの核酸配列から成る単離核酸分子の使用であって、前記単離核酸分子は、霊長類の前記網膜色素上皮の細胞中で外生遺伝子を特異的に発現させるために、前記外生遺伝子をコードする核酸配列が前記単離核酸分子に作動可能に結合している場合、霊長類の前記網膜色素上皮の細胞中での前記外生遺伝子の発現を特異的にもたらす使用。
[7]
前記単離核酸分子は、最小プロモーター、例えば、配列番号2の前記最小プロモーターを更に含む、[6]に記載の使用。
[8]
前記単離核酸分子は、発現カセットの一部である、[6]又は[7]に記載の使用。
[9]
前記発現カセットは、ベクターの一部である、[8]に記載の使用。
[10]
前記ベクターは、ウイルスベクターである、[9]に記載の使用。
[11]
網膜色素上皮に関連する疾患を治療する際に使用するための、配列番号1の核酸配列を含み、若しくはそれから成る、又は配列番号1の前記配列と少なくとも80%の全体的な同一性を有する少なくとも1500bpの核酸配列から成る単離核酸分子であって、前記単離核酸分子は、外生遺伝子をコードする核酸配列が前記単離核酸分子に作動可能に結合している場合、霊長類の前記網膜色素上皮の細胞中での前記外生遺伝子の発現を特異的にもたらす単離核酸分子。
[12]
網膜色素上皮に関連する前記疾患は、加齢性黄斑変性症、網膜色素変性症、糖尿病性網膜症及び網膜色素上皮肥大症から成る群から選択される、[11]に記載の単離核酸分子の使用。
Claims (14)
- 霊長類の網膜色素上皮の細胞中で外生遺伝子を発現させるための医薬組成物であって、配列番号1の核酸配列を含む、又はそれから成る単離核酸分子を含み、前記単離核酸分子は、前記外生遺伝子をコードする核酸配列が前記単離核酸分子に作動可能に結合している場合、前記霊長類の網膜色素上皮の細胞中での前記外生遺伝子の発現を駆動するのに有効である、医薬組成物。
- 前記単離核酸分子は、前記外生遺伝子をコードする前記核酸配列に作動可能に結合している、請求項1に記載の医薬組成物。
- 前記単離核酸分子は、最小プロモーターを更に含む、請求項1または2に記載の医薬組成物。
- 前記最小プロモーターは、配列番号2の核酸配列を含む、請求項3に記載の医薬組成物。
- 前記単離核酸分子は、発現カセットの一部である、請求項1~4のいずれか一項に記載の医薬組成物。
- 前記発現カセットは、ベクターの一部である、請求項5に記載の医薬組成物。
- 前記ベクターは、ウイルスベクターである、請求項6に記載の医薬組成物。
- 前記ベクターは、アデノ随伴ウイルス(AAV)ベクターである、請求項6又は7に記載の医薬組成物。
- 前記外生遺伝子をコードする前記核酸配列は、チャネルロドプシン又はハロロドプシンをコードする、請求項1~8のいずれか一項に記載の医薬組成物。
- 前記霊長類は、ヒトである、請求項1~9に記載の医薬組成物。
- 前記霊長類は、非ヒト霊長類である、請求項1~9に記載の医薬組成物。
- 霊長類の網膜色素上皮に関連する疾患を治療する際に使用するための、請求項1~11のいずれか一項に記載の医薬組成物。
- 網膜色素上皮に関連する前記疾患は、加齢性黄斑変性症、網膜色素変性症、糖尿病性網膜症及び網膜色素上皮肥大症から成る群から選択される、請求項12に記載の医薬組成物。
- 前記疾患は、加齢性黄斑変性症である、請求項13に記載の医薬組成物。
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PCT/EP2018/082872 WO2019106027A1 (en) | 2017-11-30 | 2018-11-28 | SynP61, A PRIMATE RETINAL PIGMENT EPITHELIUM CELL-SPECIFIC PROMOTER |
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JP2011516091A (ja) | 2008-04-18 | 2011-05-26 | ノバルティス・フォルシュングスシュティフトゥング・ツヴァイクニーダーラッスング・フリードリッヒ・ミーシェー・インスティトゥート・フォー・バイオメディカル・リサーチ | 失明の治療のための新規な治療用ツールおよび方法 |
ES2747433T3 (es) | 2015-04-30 | 2020-03-10 | Friedrich Miescher Institute For Biomedical Res | Promotor para la expresión específica de genes en células de Müller |
CN108350463B (zh) | 2015-09-15 | 2022-06-24 | 弗里德里克·米谢尔生物医学研究所 | 通过靶向光受体治疗失明的新型治疗工具和方法 |
US11254934B2 (en) | 2015-10-14 | 2022-02-22 | Friedrich Miescher Institute For Biomedical Research | Promoter for the specific expression of genes in retinal endothelial cells |
KR20180084136A (ko) | 2015-12-03 | 2018-07-24 | 프리드리히 미셔 인스티튜트 포 바이오메디칼 리서치 | 간상 광수용체에서의 유전자의 특이적 발현을 위한 프로모터 SynP161 |
ES2900486T3 (es) | 2015-12-03 | 2022-03-17 | Friedrich Miescher Institute For Biomedical Res | SynP160, un promotor para la expresión específica de genes en los fotorreceptores de los bastones |
ES2886664T3 (es) | 2015-12-03 | 2021-12-20 | Friedrich Miescher Institute For Biomedical Res | SynP162, un promotor para la expresión específica de genes en fotorreceptores de bastón |
JP7058220B2 (ja) | 2015-12-03 | 2022-04-21 | フリードリッヒ ミーシェー インスティトゥート フォー バイオメディカル リサーチ | SynP159、桿体光受容器における遺伝子の特異的発現のためのプロモーター |
WO2018083607A1 (en) | 2016-11-02 | 2018-05-11 | Friedrich Miescher Institute For Biomedical Research | Synp198, a promoter for the specific expression of genes in direction selective retinal ganglion cells |
CN110392582A (zh) | 2017-02-08 | 2019-10-29 | 弗里德里克·米谢尔生物医学研究所 | 用于使基因在视网膜神经节细胞中特异性表达的启动子SynP88 |
AU2018369975B2 (en) | 2017-11-15 | 2022-05-19 | Friedrich Miescher Institute For Biomedical Research | Primate retinal pigment epithelium cell-specific promoter |
JP2021503934A (ja) | 2017-11-30 | 2021-02-15 | フリードリッヒ ミーシェー インスティトゥート フォー バイオメディカル リサーチ | 網膜色素上皮中の遺伝子の特異的発現のためのプロモーターSynPIII |
WO2020174369A2 (en) * | 2019-02-25 | 2020-09-03 | Novartis Ag | Compositions and methods to treat bietti crystalline dystrophy |
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