JPWO2021154791A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2021154791A5 JPWO2021154791A5 JP2022545826A JP2022545826A JPWO2021154791A5 JP WO2021154791 A5 JPWO2021154791 A5 JP WO2021154791A5 JP 2022545826 A JP2022545826 A JP 2022545826A JP 2022545826 A JP2022545826 A JP 2022545826A JP WO2021154791 A5 JPWO2021154791 A5 JP WO2021154791A5
- Authority
- JP
- Japan
- Prior art keywords
- pnpla3
- human
- locus
- human animal
- endogenous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 101001129184 Homo sapiens 1-acylglycerol-3-phosphate O-acyltransferase PNPLA3 Proteins 0.000 claims description 189
- 102000032222 human adiponutrin Human genes 0.000 claims description 116
- 102100031251 1-acylglycerol-3-phosphate O-acyltransferase PNPLA3 Human genes 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 55
- 230000008685 targeting Effects 0.000 claims description 46
- 239000003153 chemical reaction reagent Substances 0.000 claims description 32
- 230000035772 mutation Effects 0.000 claims description 16
- 210000001161 mammalian embryo Anatomy 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 14
- 210000004185 liver Anatomy 0.000 claims description 14
- 241001465754 Metazoa Species 0.000 claims description 12
- 108091026890 Coding region Proteins 0.000 claims description 11
- 108090000623 proteins and genes Proteins 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 108091032973 (ribonucleotides)n+m Proteins 0.000 claims description 9
- 108020004707 nucleic acids Proteins 0.000 claims description 8
- 102000039446 nucleic acids Human genes 0.000 claims description 8
- 150000007523 nucleic acids Chemical class 0.000 claims description 8
- 102000004169 proteins and genes Human genes 0.000 claims description 8
- 108020005004 Guide RNA Proteins 0.000 claims description 7
- 101710163270 Nuclease Proteins 0.000 claims description 6
- 230000001086 cytosolic effect Effects 0.000 claims description 6
- 210000004027 cell Anatomy 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 108020005345 3' Untranslated Regions Proteins 0.000 claims description 4
- 108020003589 5' Untranslated Regions Proteins 0.000 claims description 4
- 108020004705 Codon Proteins 0.000 claims description 4
- 108091092195 Intron Proteins 0.000 claims description 4
- 108091081024 Start codon Proteins 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 230000001404 mediated effect Effects 0.000 claims description 4
- 108091033409 CRISPR Proteins 0.000 claims description 3
- 235000019137 high fructose diet Nutrition 0.000 claims description 3
- 241000702421 Dependoparvovirus Species 0.000 claims description 2
- 101100244214 Mus musculus Pnpla3 gene Proteins 0.000 claims description 2
- 108091034117 Oligonucleotide Proteins 0.000 claims description 2
- 101150087356 Pnpla3 gene Proteins 0.000 claims description 2
- 108091030071 RNAI Proteins 0.000 claims description 2
- 108700008625 Reporter Genes Proteins 0.000 claims description 2
- 229930006000 Sucrose Natural products 0.000 claims description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 2
- 210000004102 animal cell Anatomy 0.000 claims description 2
- 102000025171 antigen binding proteins Human genes 0.000 claims description 2
- 108091000831 antigen binding proteins Proteins 0.000 claims description 2
- 239000000074 antisense oligonucleotide Substances 0.000 claims description 2
- 238000012230 antisense oligonucleotides Methods 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims description 2
- 238000012217 deletion Methods 0.000 claims description 2
- 238000002716 delivery method Methods 0.000 claims description 2
- 235000005911 diet Nutrition 0.000 claims description 2
- 230000037213 diet Effects 0.000 claims description 2
- 230000009368 gene silencing by RNA Effects 0.000 claims description 2
- 238000010362 genome editing Methods 0.000 claims description 2
- 210000004602 germ cell Anatomy 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 150000002632 lipids Chemical class 0.000 claims description 2
- 108020004999 messenger RNA Proteins 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 150000003384 small molecules Chemical class 0.000 claims description 2
- 239000005720 sucrose Substances 0.000 claims description 2
- 230000002068 genetic effect Effects 0.000 claims 1
- 108700024394 Exon Proteins 0.000 description 1
- 101100244213 Homo sapiens PNPLA3 gene Proteins 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
Description
いくつかのそのような方法において、非ヒト動物は、マウスまたはラットである。任意選択的に、非ヒト動物は、マウスである。
本発明の実施形態において、例えば以下の項目が提供される。
(項目1)
ヒト化内因性Pnpla3遺伝子座をゲノムに含む非ヒト動物であって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、非ヒト動物。
(項目2)
前記ヒト化内因性Pnpla3遺伝子座が、ヒトPNPLA3内腔ドメインを含むPNPLA3タンパク質をコードする、項目1に記載の非ヒト動物。
(項目3)
前記ヒトPNPLA3内腔ドメインが、配列番号5の148位に対応する位置で野生型である、項目2に記載の非ヒト動物。
(項目4)
前記ヒトPNPLA3内腔ドメインが、I148M突然変異および/またはK434E突然変異を含む、項目2に記載の非ヒト動物。
(項目5)
前記ヒトPNPLA3内腔ドメインが、前記I148M突然変異および前記K434E突然変異を含む、項目4に記載の非ヒト動物。
(項目6)
前記ヒトPNPLA3内腔ドメインが、配列番号10に記載の配列を含み、任意選択的に前記ヒトPNPLA3内腔ドメインが、配列番号20に記載のコード配列によってコードされる、項目5に記載の非ヒト動物。
(項目7)
前記ヒトPNPLA3内腔ドメインが、前記K434E突然変異を含むが、前記I148M突然変異を含まない、項目4に記載の非ヒト動物。
(項目8)
前記ヒトPNPLA3内腔ドメインが、配列番号65に記載の配列を含み、任意選択的に前記ヒトPNPLA3内腔ドメインが、配列番号66に記載のコード配列によってコードされる、項目7に記載の非ヒト動物。
(項目9)
前記ヒトPNPLA3内腔ドメインが、野生型ヒトPNPLA3内腔ドメインである、項目2に記載の非ヒト動物。
(項目10)
前記ヒトPNPLA3内腔ドメインが、配列番号8に記載の配列を含み、任意選択的に前記ヒトPNPLA3内腔ドメインが、配列番号18に記載のコード配列によってコードされる、項目9に記載の非ヒト動物。
(項目11)
前記ヒト化内因性Pnpla3遺伝子座が、ヒトPNPLA3膜貫通ドメインを含むPNPLA3タンパク質をコードする、先行項目のいずれか一項に記載の非ヒト動物。
(項目12)
前記ヒトPNPLA3膜貫通ドメインが、配列番号7に記載の配列を含み、任意選択的に前記ヒトPNPLA3膜貫通ドメインが、配列番号17に記載のコード配列によってコードされる、項目11に記載の非ヒト動物。
(項目13)
前記ヒト化内因性Pnpla3遺伝子座が、ヒトPNPLA3細胞質ドメインを含むPNPLA3タンパク質をコードする、先行項目のいずれか一項に記載の非ヒト動物。
(項目14)
前記ヒトPNPLA3細胞質ドメインが、配列番号6に記載の配列を含み、任意選択的に前記ヒトPNPLA3細胞質ドメインが、配列番号16に記載のコード配列によってコードされる、項目13に記載の非ヒト動物。
(項目15)
コード配列および非コード配列の両方を含む前記内因性Pnpla3遺伝子座の領域が削除され、コード配列および非コード配列の両方を含む対応するヒトPNPLA3配列で置き換えられている、先行項目のいずれか一項に記載の非ヒト動物。
(項目16)
前記ヒト化内因性Pnpla3遺伝子座が、内因性Pnpla3プロモーターを含み、前記ヒトPNPLA3配列が、前記内因性Pnpla3プロモーターに作動可能に連結されている、先行項目のいずれか一項に記載の非ヒト動物。
(項目17)
前記内因性Pnpla3遺伝子座の少なくとも1つのイントロンおよび少なくとも1つのエキソンが削除され、対応するヒトPNPLA3配列で置き換えられている、先行項目のいずれか一項に記載の非ヒト動物。
(項目18)
ヒトPNPLA3コード配列全体が、前記内因性Pnpla3遺伝子座に挿入されている、先行項目のいずれか一項に記載の非ヒト動物。
(項目19)
前記ヒトPNPLA3開始コドンと前記ヒトPNPLA3終止コドンとの間に前記配列を含む前記ヒトPNPLA3遺伝子座の領域が、前記内因性Pnpla3遺伝子座に挿入されている、項目18に記載の非ヒト動物。
(項目20)
前記ヒトPNPLA3遺伝子座の5’UTRが、前記内因性Pnpla3遺伝子座に挿入されており、ヒトPNPLA3遺伝子座の3’UTRが、前記内因性Pnpla3遺伝子座に挿入されているか、または前記ヒトPNPLA3遺伝子座の前記5’UTRおよびヒトPNPLA3遺伝子座の前記3’UTRの両方が、前記内因性Pnpla3遺伝子座に挿入されている、先行項目のいずれか一項に記載の非ヒト動物。
(項目21)
最後のエキソンを除く前記内因性Pnpla3エキソンのすべてが、前記ヒト化内因性Pnpla3遺伝子座において削除されている、先行項目のいずれか一項に記載の非ヒト動物。
(項目22)
介在するすべてのイントロンを含む、第1のエキソンから最後から2番目のエキソンまでの前記内因性Pnpla3遺伝子座の領域が、前記ヒト化内因性Pnpla3遺伝子座において削除されている、項目21に記載の非ヒト動物。
(項目23)
前記内因性Pnpla3遺伝子座の最後のイントロンの全部または一部が、前記ヒト化内因性Pnpla3遺伝子座において削除されていない、先行項目のいずれか一項に記載の非ヒト動物。
(項目24)
前記ヒト化内因性Pnpla3遺伝子座において削除されていない前記内因性Pnpla3遺伝子座の前記最後のイントロンの前記一部が、前記内因性Pnpla3遺伝子座の下流の遺伝子の発現に影響を与える調節エレメントを含む、項目23に記載の非ヒト動物。
(項目25)
介在するすべてのイントロンを含む、前記第1のエキソンから前記最後から2番目のエキソンまでの前記内因性Pnpla3遺伝子座の領域が、前記ヒト化内因性Pnpla3遺伝子座において削除されており、前記ヒトPNPLA3開始コドンと前記ヒトPNPLA3終止コドンとの間に前記配列を含む前記ヒトPNPLA3遺伝子座の領域で置き換えられており、
前記ヒト化内因性Pnpla3遺伝子座が、内因性Pnpla3プロモーターを含み、前記ヒトPNPLA3配列が、前記内因性Pnpla3プロモーターに作動可能に連結されている、先行項目のいずれか一項に記載の非ヒト動物。
(項目26)
前記ヒト化PNPLA3遺伝子座によってコードされる前記PNPLA3タンパク質が、I148M突然変異および/またはK434E突然変異を含む、項目25に記載の非ヒト動物。
(項目27)
ヒト化PINPLA3遺伝子座によってコードされる前記PNPLA3タンパク質が、野生型ヒトPNPLA3タンパク質である、項目25に記載の非ヒト動物。
(項目28)
(i)前記ヒト化内因性PNPLA3遺伝子座における前記ヒトPNPLA3配列が、配列番号62もしくは69に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含み、かつ/または
(ii)前記ヒト化内因性PNPLA3遺伝子座が、配列番号5、9、もしくは63に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含むタンパク質をコードし、かつ/または
(iii)前記ヒト化内因性PNPLA3遺伝子座が、配列番号15、19、もしくは64に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含むコード配列を含み、かつ/または
(iv)前記ヒト化内因性PNPLA3遺伝子座が、配列番号21、22、67、もしくは68に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含む、先行項目のいずれか一項に記載の非ヒト動物。
(項目29)
前記ヒト化内因性PNPLA3遺伝子座が、選択カセットまたはレポーター遺伝子を含まない、先行項目のいずれか一項に記載の非ヒト動物。
(項目30)
前記非ヒト動物が、前記ヒト化内因性PNPLA3遺伝子座に対してホモ接合である、先行項目のいずれか一項に記載の非ヒト動物。
(項目31)
前記非ヒト動物が、その生殖系列に前記ヒト化内因性PNPLA3遺伝子座を含む、先行項目のいずれか一項に記載の非ヒト動物。
(項目32)
前記非ヒト動物が、哺乳動物である、先行項目のいずれか一項に記載の非ヒト動物。
(項目33)
前記非ヒト動物が、ラットまたはマウスである、項目32に記載の非ヒト動物。
(項目34)
前記非ヒト動物が、マウスである、項目33に記載の非ヒト動物。
(項目35)
固形飼料を与えられた条件下での前記非ヒト動物の肝臓における前記ヒト化内因性PNPLA3遺伝子座からのRNA発現が、固形飼料を与えられた条件下での対照の非ヒト動物の肝臓における非ヒト化内因性Pnpla3遺伝子座からのRNA発現よりも高く、
任意選択的に、固形飼料を与えられた条件下での前記非ヒト動物の前記肝臓における前記ヒト化内因性PNPLA3遺伝子座からの前記RNA発現が、高ショ糖食(HSD)または高フルクトース食(HFD)条件下での前記非ヒト動物の前記肝臓における前記ヒト化内因性PNPLA3遺伝子座からの前記RNA発現の少なくとも5%、少なくとも10%、少なくとも15%、少なくとも20%、または少なくとも25%である、先行項目のいずれか一項に記載の非ヒト動物。
(項目36)
ヒト化内因性PNPLA3遺伝子座をゲノムに含む非ヒト動物細胞であって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、非ヒト動物細胞。
(項目37)
ヒト化内因性PNPLA3遺伝子座を含む非ヒト動物ゲノムであって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、非ヒト動物ゲノム。
(項目38)
ヒト化内因性PNPLA3遺伝子座を生成するための標的化ベクターであって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられており、前記標的化ベクターが、前記内因性Pnpla3遺伝子座の5’標的配列を標的とする5’相同性アームと前記内因性Pnpla3遺伝子座の3’標的配列を標的とする3’相同性アームとが隣接する前記対応するヒトPNPLA3配列を含む挿入核酸を含む、標的化ベクター。
(項目39)
ヒト化非ヒト動物PNPLA3遺伝子であって、前記非ヒト動物Pnpla3遺伝子のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、ヒト化非ヒト動物PNPLA3遺伝子。
(項目40)
インビボでヒトPNPLA3標的化試薬の活性を評価する方法であって、
(a)項目1~35のいずれか一項に記載の非ヒト動物に前記ヒトPNPLA3標的化試薬を投与することと、
(b)前記非ヒト動物における前記ヒトPNPLA3標的化試薬の前記活性を評価することと、を含む、方法。
(項目41)
前記投与することが、アデノ随伴ウイルス(AAV)媒介送達、脂質ナノ粒子(LNP)媒介送達、流体力学的送達(HDD)、または注射を含む、項目40に記載の方法。
(項目42)
ステップ(b)が、前記非ヒト動物の前記肝臓における前記ヒトPNPLA3標的化試薬の前記活性を評価することを含む、項目40または41に記載の方法。
(項目43)
ステップ(b)が、肝脂肪含有量を測定すること、および/または前記非ヒト動物における肝脂肪滴中のPNPLA3レベルを測定することを含む、項目40~42のいずれか一項に記載の方法。
(項目44)
ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座によってコードされるPNPLA3メッセンジャーRNAの発現を測定することを含む、項目40~43のいずれか一項に記載の方法。
(項目45)
ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座によってコードされるPNPLA3タンパク質の発現を測定することを含む、項目40~44のいずれか一項に記載の方法。
(項目46)
前記ヒトPNPLA3標的化試薬が、ゲノム編集剤であり、ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座の改変を評価することを含む、項目40~45のいずれか一項に記載の方法。
(項目47)
ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座内の挿入または欠失の頻度を測定することを含む、項目46に記載の方法。
(項目48)
前記ヒトPNPLA3標的化試薬が、ヒトPNPLA3遺伝子の領域を標的化するように設計されたヌクレアーゼ剤を含む、項目40~47のいずれか一項に記載の方法。
(項目49)
前記ヌクレアーゼ剤が、Casタンパク質および前記ヒトPNPLA3遺伝子のガイドRNA標的配列を標的化するように設計されたガイドRNAを含む、項目48に記載の方法。
(項目50)
前記Casタンパク質が、Cas9タンパク質である、項目49に記載の方法。
(項目51)
前記ヒトPNPLA3標的化試薬が、外因性ドナー核酸を含み、前記外因性ドナー核酸が、前記ヒトPNPLA3遺伝子を標的化するように設計されており、任意選択的に、前記外因性ドナー核酸が、AAVを介して送達される、項目40~50のいずれか一項に記載の方法。
(項目52)
前記ヒトPNPLA3標的化試薬が、RNAi剤またはアンチセンスオリゴヌクレオチドである、項目40~45のいずれか一項に記載の方法。
(項目53)
前記ヒトPNPLA3標的化試薬が、抗原結合タンパク質である、項目40~45のいずれか一項に記載の方法。
(項目54)
前記ヒトPNPLA3標的化試薬が、小分子である、項目40~45のいずれか一項に記載の方法。
(項目55)
インビボでヒトPNPLA3標的化試薬の活性を最適化する方法であって、
(I)ゲノムにヒト化内因性PNPLA3遺伝子座を含む第1の非ヒト動物において、項目40~54のいずれか一項に記載の方法を1回目に実施することと、
(II)可変要素を変更し、ゲノムにヒト化内因性PNPLA3遺伝子座を含む第2の非ヒト動物において、前記変更された可変要素を用いてステップ(I)の方法を2回目に実施することと、
(III)ステップ(I)の前記ヒトPNPLA3標的化試薬の前記活性を、ステップ(II)の前記ヒトPNPLA3標的化試薬の前記活性と比較し、より高い活性をもたらす方法を選択することとを含む、方法。
(項目56)
ステップ(II)における前記変更された可変要素が、前記ヒトPNPLA3標的化試薬を前記非ヒト動物に導入する送達方法である、項目55に記載の方法。
(項目57)
ステップ(II)における前記変更された可変要素が、前記ヒトPNPLA3標的化試薬を前記非ヒト動物に導入する投与経路である、項目55に記載の方法。
(項目58)
ステップ(II)における前記変更された可変要素が、前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬の濃度または量である、項目55に記載の方法。
(項目59)
ステップ(II)における前記変更された可変要素が、前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬の形態である、項目55に記載の方法。
(項目60)
ステップ(II)における前記変更された可変要素が、前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬である、項目55に記載の方法。
(項目61)
項目1~35のいずれか一項に記載の非ヒト動物を作製する方法であって、
(a)非ヒト動物宿主胚に、ヒト化内因性Pnpla3遺伝子座をゲノムに含む遺伝子
改変された非ヒト動物胚性幹(ES)細胞を導入することであって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、導入することと、
(b)前記非ヒト動物宿主胚を代理母において妊娠させることであって、前記代理母が、前記ヒト化内因性Pnpla3遺伝子座を含むF0子孫遺伝子改変非ヒト動物を産生する、妊娠させることと、を含む、方法。
(項目62)
項目1~35のいずれか一項に記載の非ヒト動物を作製する方法であって、
(a)非ヒト動物1細胞期胚のゲノムを改変して、そのゲノムに、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられたヒト化内因性Pnpla3遺伝子座を含み、それにより、非ヒト動物の遺伝子改変胚を生成することと、
(b)前記非ヒト動物の遺伝子改変胚を代理母において妊娠させることであって、前記代理母が、前記ヒト化内因性Pnpla3遺伝子座を含むF0子孫遺伝子改変非ヒト動物を産生する、妊娠させることと、を含む、方法。
(項目63)
項目1~35のいずれか一項に記載の非ヒト動物を作製する方法であって、
(a)非ヒト動物胚性幹(ES)細胞に、前記内因性Pnpla3遺伝子座の5’標的配列に対応する5’相同性アームと前記内因性Pnpla3遺伝子座の3’標的配列に対応する3’相同性アームとが隣接する前記ヒトPNPLA3配列を含む核酸インサートを含む標的化ベクターを導入することであって、
前記標的化ベクターが、前記内因性Pnpla3遺伝子座を組換えて、前記ヒトPNPLA3配列を含む前記ヒト化内因性PNPLA3遺伝子座をゲノムに含む遺伝子改変された非ヒトES細胞を産生する、導入することと、
(b)前記遺伝子改変された非ヒトES細胞を非ヒト動物宿主胚に導入することと、
(c)前記非ヒト動物宿主胚を代理母において妊娠させることであって、前記代理母が、前記ヒトPNPLA3配列を含む前記ヒト化内因性PNPLA3遺伝子座をゲノムに含むF0子孫遺伝子改変非ヒト動物を産生する、妊娠させることと、を含む、方法。
(項目64)
前記標的化ベクターが、少なくとも10kbの長さの大きな標的化ベクターであるか、または前記5’および3’相同性アームの合計が、少なくとも10kbの長さである、項目63に記載の方法。
(項目65)
項目1~35のいずれか一項に記載の非ヒト動物を作製する方法であって、
(a)非ヒト動物1細胞期胚に、前記内因性Pnpla3遺伝子座の5’標的配列に対応する5’相同性アームと前記内因性Pnpla3遺伝子座の3’標的配列に対応する3’相同性アームとが隣接する前記ヒトPNPLA3配列を含む核酸インサートを含む標的化ベクターを導入することであって、
前記標的化ベクターが、前記内因性Pnpla3遺伝子座を組換えて、前記ヒトPNPLA3配列を含む前記ヒト化内因性PNPLA3遺伝子座をゲノムに含む遺伝子改変された非ヒト1細胞期胚を産生する、導入することと、
(b)前記遺伝子改変された非ヒト動物1細胞期胚を代理母において妊娠させて、前記ヒトPNPLA3配列を含む前記ヒト化内因性PNPLA3遺伝子座をゲノムに含む遺伝子改変されたF0世代非ヒト動物を産生することと、を含む、方法。
(項目66)
ステップ(a)が、前記内因性Pnpla3遺伝子座内の標的配列を標的化するヌクレアーゼ剤を導入することをさらに含む、項目63~65のいずれか一項に記載の方法。
(項目67)
前記ヌクレアーゼ剤が、Casタンパク質およびガイドRNAを含む、項目66に記載の方法。
(項目68)
前記Casタンパク質が、Cas9タンパク質である、項目67に記載の方法。
(項目69)
ステップ(a)が、前記内因性Pnpla3遺伝子座内の第2の標的配列を標的化する第2のガイドRNAを導入することをさらに含む、項目67または68に記載の方法。
(項目70)
ステップ(a)が、前記内因性Pnpla3遺伝子座内の第3の標的配列を標的とする第3のガイドRNAおよび前記内因性Pnpla3遺伝子座内の第4の標的配列を標的とする第4のガイドRNAを導入することをさらに含む、項目69に記載の方法。
(項目71)
前記非ヒト動物が、マウスまたはラットである、項目61~70のいずれか一項に記載の方法。
(項目72)
前記非ヒト動物が、マウスである、項目71に記載の方法。
In some such methods, the non-human animal is a mouse or rat. Optionally, the non-human animal is a mouse.
In the embodiment of the present invention, the following items are provided, for example.
(Item 1)
A non-human animal comprising a humanized endogenous Pnpla3 locus in its genome, wherein a segment of said endogenous Pnpla3 locus has been deleted and replaced with a corresponding human PNPLA3 sequence.
(Item 2)
2. The non-human animal of item 1, wherein the humanized endogenous Pnpla3 locus encodes a PNPLA3 protein comprising a human PNPLA3 luminal domain.
(Item 3)
The non-human animal according to item 2, wherein the human PNPLA3 luminal domain is wild type at a position corresponding to position 148 of SEQ ID NO: 5.
(Item 4)
The non-human animal according to item 2, wherein the human PNPLA3 luminal domain comprises an I148M mutation and/or a K434E mutation.
(Item 5)
5. The non-human animal of item 4, wherein said human PNPLA3 luminal domain comprises said I148M mutation and said K434E mutation.
(Item 6)
The non-human according to item 5, wherein said human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 10, and optionally said human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 20. animal.
(Item 7)
5. The non-human animal of item 4, wherein the human PNPLA3 luminal domain comprises the K434E mutation but not the I148M mutation.
(Item 8)
Non-human according to item 7, wherein said human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 65, and optionally said human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 66. animal.
(Item 9)
The non-human animal according to item 2, wherein the human PNPLA3 luminal domain is a wild type human PNPLA3 luminal domain.
(Item 10)
The non-human according to item 9, wherein said human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 8, and optionally said human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 18. animal.
(Item 11)
A non-human animal according to any of the preceding items, wherein said humanized endogenous Pnpla3 locus encodes a PNPLA3 protein comprising a human PNPLA3 transmembrane domain.
(Item 12)
12. The non-human according to item 11, wherein said human PNPLA3 transmembrane domain comprises the sequence set forth in SEQ ID NO: 7, and optionally said human PNPLA3 transmembrane domain is encoded by the coding sequence set forth in SEQ ID NO: 17. animal.
(Item 13)
The non-human animal according to any of the preceding items, wherein said humanized endogenous Pnpla3 locus encodes a PNPLA3 protein comprising a human PNPLA3 cytoplasmic domain.
(Item 14)
14. The non-human animal of item 13, wherein said human PNPLA3 cytoplasmic domain comprises the sequence set forth in SEQ ID NO: 6, and optionally said human PNPLA3 cytoplasmic domain is encoded by the coding sequence set forth in SEQ ID NO: 16.
(Item 15)
Any one of the preceding items, wherein a region of said endogenous Pnpla3 locus containing both coding and non-coding sequences is deleted and replaced with a corresponding human PNPLA3 sequence containing both coding and non-coding sequences. Non-human animals described in.
(Item 16)
The non-human animal of any of the preceding items, wherein the humanized endogenous Pnpla3 locus comprises an endogenous Pnpla3 promoter, and the human PNPLA3 sequence is operably linked to the endogenous Pnpla3 promoter. .
(Item 17)
Non-human animal according to any of the preceding items, wherein at least one intron and at least one exon of the endogenous Pnpla3 locus have been deleted and replaced with the corresponding human PNPLA3 sequence.
(Item 18)
A non-human animal according to any one of the preceding items, wherein the entire human PNPLA3 coding sequence is inserted into said endogenous Pnpla3 locus.
(Item 19)
19. The non-human animal according to item 18, wherein a region of the human PNPLA3 locus that includes the sequence between the human PNPLA3 start codon and the human PNPLA3 stop codon is inserted into the endogenous PNPLA3 locus.
(Item 20)
the 5'UTR of the human PNPLA3 locus is inserted into the endogenous Pnpla3 locus, and the 3'UTR of the human PNPLA3 locus is inserted into the endogenous Pnpla3 locus, or The non-human animal according to any one of the preceding items, wherein both the 5'UTR of the human PNPLA3 locus and the 3'UTR of the human PNPLA3 locus are inserted into the endogenous PNPLA3 locus.
(Item 21)
A non-human animal according to any of the preceding items, wherein all of said endogenous Pnpla3 exons except the last exon are deleted in said humanized endogenous Pnpla3 locus.
(Item 22)
22. The region of the endogenous Pnpla3 locus from the first exon to the penultimate exon, including all intervening introns, has been deleted in the humanized endogenous Pnpla3 locus. Non-human animals.
(Item 23)
Non-human animal according to any of the preceding items, wherein all or part of the last intron of the endogenous Pnpla3 locus has not been deleted in the humanized endogenous Pnpla3 locus.
(Item 24)
said portion of said last intron of said endogenous Pnpla3 locus that is not deleted in said humanized endogenous Pnpla3 locus comprises regulatory elements that influence the expression of genes downstream of said endogenous Pnpla3 locus. , the non-human animal according to item 23.
(Item 25)
The region of the endogenous Pnpla3 locus from the first exon to the penultimate exon, including all intervening introns, has been deleted in the humanized endogenous Pnpla3 locus, and the human PNPLA3 replaced with a region of the human PNPLA3 locus that includes the sequence between the start codon and the human PNPLA3 stop codon,
The non-human animal of any of the preceding items, wherein the humanized endogenous Pnpla3 locus comprises an endogenous Pnpla3 promoter, and the human PNPLA3 sequence is operably linked to the endogenous Pnpla3 promoter. .
(Item 26)
26. The non-human animal according to item 25, wherein the PNPLA3 protein encoded by the humanized PNPLA3 locus comprises an I148M mutation and/or a K434E mutation.
(Item 27)
26. The non-human animal of item 25, wherein the PNPLA3 protein encoded by the humanized PINPLA3 locus is a wild-type human PNPLA3 protein.
(Item 28)
(i) the human PNPLA3 sequence in the humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% the sequence set forth in SEQ ID NO: 62 or 69; % or 100% identical sequences, and/or
(ii) said humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% of the sequence set forth in SEQ ID NO: 5, 9, or 63; or encodes a protein containing a 100% identical sequence, and/or
(iii) the humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% of the sequence set forth in SEQ ID NO: 15, 19, or 64; or contains coding sequences that contain 100% identical sequences, and/or
(iv) said humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% of the sequence set forth in SEQ ID NO: 21, 22, 67, or 68; % or 100% identical sequences.
(Item 29)
Non-human animal according to any of the preceding items, wherein said humanized endogenous PNPLA3 locus does not include a selection cassette or a reporter gene.
(Item 30)
The non-human animal according to any of the preceding items, wherein the non-human animal is homozygous for the humanized endogenous PNPLA3 locus.
(Item 31)
The non-human animal according to any one of the preceding items, wherein the non-human animal comprises in its germline the humanized endogenous PNPLA3 locus.
(Item 32)
Non-human animal according to any one of the preceding items, wherein said non-human animal is a mammal.
(Item 33)
33. The non-human animal according to item 32, wherein the non-human animal is a rat or a mouse.
(Item 34)
The non-human animal according to item 33, wherein the non-human animal is a mouse.
(Item 35)
RNA expression from the humanized endogenous PNPLA3 locus in the liver of the non-human animal under chow-fed conditions was significantly higher than that in the liver of the control non-human animal under chow-fed conditions. higher than RNA expression from the humanized endogenous Pnpla3 locus;
Optionally, said RNA expression from said humanized endogenous PNPLA3 locus in said liver of said non-human animal under chow-fed conditions is determined by a high sucrose diet (HSD) or a high fructose diet ( at least 5%, at least 10%, at least 15%, at least 20%, or at least 25% of the RNA expression from the humanized endogenous PNPLA3 locus in the liver of the non-human animal under HFD) conditions. , a non-human animal according to any one of the preceding items.
(Item 36)
A non-human animal cell comprising a humanized endogenous PNPLA3 locus in its genome, wherein a segment of the endogenous PNPLA3 locus has been deleted and replaced with a corresponding human PNPLA3 sequence.
(Item 37)
A non-human animal genome comprising a humanized endogenous PNPLA3 locus, wherein a segment of the endogenous PNPLA3 locus has been deleted and replaced with a corresponding human PNPLA3 sequence.
(Item 38)
A targeting vector for generating a humanized endogenous PNPLA3 locus, wherein a segment of the endogenous PNPLA3 locus is deleted and replaced with a corresponding human PNPLA3 sequence, the targeting vector the corresponding human PNPLA3 sequence flanked by a 5' homology arm targeting the 5' target sequence of the endogenous Pnpla3 locus and a 3' homology arm targeting the 3' target sequence of the endogenous Pnpla3 locus; A targeting vector comprising an insert nucleic acid containing.
(Item 39)
A humanized non-human animal PNPLA3 gene, wherein a segment of said non-human animal Pnpla3 gene is deleted and replaced with a corresponding human PNPLA3 sequence.
(Item 40)
1. A method of evaluating the activity of a human PNPLA3 targeting reagent in vivo, the method comprising:
(a) administering the human PNPLA3 targeting reagent to the non-human animal according to any one of items 1 to 35;
(b) assessing the activity of the human PNPLA3 targeting reagent in the non-human animal.
(Item 41)
41. The method of item 40, wherein said administering comprises adeno-associated virus (AAV)-mediated delivery, lipid nanoparticle (LNP)-mediated delivery, hydrodynamic delivery (HDD), or injection.
(Item 42)
42. The method of item 40 or 41, wherein step (b) comprises assessing the activity of the human PNPLA3 targeting reagent in the liver of the non-human animal.
(Item 43)
The method according to any one of items 40 to 42, wherein step (b) comprises measuring liver fat content and/or measuring PNPLA3 levels in liver fat droplets in said non-human animal. .
(Item 44)
44. The method of any one of items 40-43, wherein step (b) comprises measuring the expression of PNPLA3 messenger RNA encoded by the humanized endogenous PNPLA3 locus.
(Item 45)
45. The method of any one of items 40-44, wherein step (b) comprises measuring the expression of PNPLA3 protein encoded by the humanized endogenous PNPLA3 locus.
(Item 46)
46. The method of any one of items 40-45, wherein the human PNPLA3 targeting reagent is a genome editing agent and step (b) comprises assessing modification of the humanized endogenous PNPLA3 locus. .
(Item 47)
47. The method of item 46, wherein step (b) comprises determining the frequency of insertions or deletions within the humanized endogenous PNPLA3 locus.
(Item 48)
48. The method of any one of items 40-47, wherein the human PNPLA3 targeting reagent comprises a nuclease agent designed to target a region of the human PNPLA3 gene.
(Item 49)
49. The method of item 48, wherein the nuclease agent comprises a guide RNA designed to target a Cas protein and a guide RNA target sequence of the human PNPLA3 gene.
(Item 50)
50. The method according to item 49, wherein the Cas protein is a Cas9 protein.
(Item 51)
The human PNPLA3 targeting reagent comprises an exogenous donor nucleic acid, the exogenous donor nucleic acid is designed to target the human PNPLA3 gene, and optionally the exogenous donor nucleic acid is an AAV. 51. The method according to any one of items 40 to 50, wherein the method is delivered via.
(Item 52)
46. The method of any one of items 40-45, wherein the human PNPLA3 targeting reagent is an RNAi agent or an antisense oligonucleotide.
(Item 53)
46. The method of any one of items 40-45, wherein the human PNPLA3 targeting reagent is an antigen binding protein.
(Item 54)
46. The method of any one of items 40-45, wherein the human PNPLA3 targeting reagent is a small molecule.
(Item 55)
1. A method of optimizing the activity of a human PNPLA3 targeting reagent in vivo, the method comprising:
(I) performing the method described in any one of items 40 to 54 for the first time in a first non-human animal containing a humanized endogenous PNPLA3 locus in its genome;
(II) modifying the variable element and performing the method of step (I) a second time using the modified variable element in a second non-human animal whose genome includes a humanized endogenous PNPLA3 locus; and,
(III) comparing the activity of the human PNPLA3 targeting reagent of step (I) with the activity of the human PNPLA3 targeting reagent of step (II) and selecting a method that results in a higher activity. ,Method.
(Item 56)
56. The method of item 55, wherein the altered variable in step (II) is a delivery method for introducing the human PNPLA3 targeting reagent into the non-human animal.
(Item 57)
56. The method of item 55, wherein the altered variable in step (II) is a route of administration for introducing the human PNPLA3 targeting reagent into the non-human animal.
(Item 58)
56. The method of item 55, wherein the altered variable in step (II) is the concentration or amount of the human PNPLA3 targeting reagent introduced into the non-human animal.
(Item 59)
56. The method of item 55, wherein the altered variable element in step (II) is in the form of the human PNPLA3 targeting reagent introduced into the non-human animal.
(Item 60)
56. The method of item 55, wherein the altered variable element in step (II) is the human PNPLA3 targeting reagent introduced into the non-human animal.
(Item 61)
A method for producing a non-human animal according to any one of items 1 to 35, comprising:
(a) A gene containing a humanized endogenous Pnpla3 locus in its genome in a non-human animal host embryo
introducing a modified non-human animal embryonic stem (ES) cell, in which a segment of the endogenous Pnpla3 locus has been deleted and replaced with a corresponding human PNPLA3 sequence;
(b) impregnating said non-human animal host embryo in a surrogate mother, said surrogate mother producing an F0 progeny genetically modified non-human animal comprising said humanized endogenous Pnpla3 locus; , including a method.
(Item 62)
A method for producing a non-human animal according to any one of items 1 to 35, comprising:
(a) The genome of a non-human animal one-cell stage embryo is modified to contain a humanized endogenous Pnpla3 locus in which a segment of the endogenous Pnpla3 locus is deleted and replaced with the corresponding human PNPLA3 sequence. comprising, thereby producing a genetically modified embryo of a non-human animal;
(b) impregnating the genetically modified embryo of said non-human animal in a surrogate mother, said surrogate mother producing an F0 progeny genetically modified non-human animal comprising said humanized endogenous Pnpla3 locus; and methods including.
(Item 63)
A method for producing a non-human animal according to any one of items 1 to 35, comprising:
(a) Inject non-human animal embryonic stem (ES) cells with a 5' homology arm corresponding to the 5' target sequence of the endogenous Pnpla3 locus and a 3' homology arm corresponding to the 3' target sequence of the endogenous Pnpla3 locus. 'Introducing a targeting vector comprising a nucleic acid insert comprising said human PNPLA3 sequence flanked by homology arms,
introducing the targeting vector to recombine the endogenous PNPLA3 locus to produce genetically modified non-human ES cells containing in their genome the humanized endogenous PNPLA3 locus containing the human PNPLA3 sequence; and,
(b) introducing the genetically modified non-human ES cells into a non-human animal host embryo;
(c) impregnating said non-human animal host embryo in a surrogate mother, wherein said surrogate mother is an F0 progeny genetically modified non-human animal whose genome contains said humanized endogenous PNPLA3 locus comprising said human PNPLA3 sequence; A method comprising: producing, impregnating;
(Item 64)
64. The method of item 63, wherein the targeting vector is a large targeting vector of at least 10 kb in length, or the sum of the 5' and 3' homology arms is at least 10 kb in length.
(Item 65)
A method for producing a non-human animal according to any one of items 1 to 35, comprising:
(a) A 5' homology arm corresponding to the 5' target sequence of the endogenous Pnpla3 locus and a 3' homology arm corresponding to the 3' target sequence of the endogenous Pnpla3 locus in a non-human animal one-cell stage embryo. introducing a targeting vector comprising a nucleic acid insert comprising the human PNPLA3 sequence flanked by arms,
Introduction, wherein the targeting vector recombines the endogenous PNPLA3 locus to produce a genetically modified non-human one-cell stage embryo containing in its genome the humanized endogenous PNPLA3 locus containing the human PNPLA3 sequence. to do and
(b) A genetically modified F0 generation non-human animal whose genome contains the humanized endogenous PNPLA3 locus containing the human PNPLA3 sequence by impregnating the genetically modified non-human animal one-cell stage embryo in a surrogate mother. A method comprising: producing.
(Item 66)
66. The method of any one of items 63-65, wherein step (a) further comprises introducing a nuclease agent that targets a target sequence within the endogenous Pnpla3 locus.
(Item 67)
67. The method of item 66, wherein the nuclease agent comprises a Cas protein and a guide RNA.
(Item 68)
68. The method according to item 67, wherein the Cas protein is a Cas9 protein.
(Item 69)
69. The method of item 67 or 68, wherein step (a) further comprises introducing a second guide RNA targeting a second target sequence within said endogenous Pnpla3 locus.
(Item 70)
step (a) comprises a third guide RNA targeting a third target sequence within said endogenous Pnpla3 locus and a fourth guide targeting a fourth target sequence within said endogenous Pnpla3 locus. 70. The method of item 69, further comprising introducing RNA.
(Item 71)
The method according to any one of items 61 to 70, wherein the non-human animal is a mouse or a rat.
(Item 72)
72. The method according to item 71, wherein the non-human animal is a mouse.
Claims (33)
(I)野生型ヒトPNPLA3内腔ドメインである、
(II)配列番号5の148位に対応する位置で野生型である、
(III)I148M突然変異および/またはK434E突然変異を含む、
(IV)前記I148M突然変異および前記K434E突然変異を含む、または
(V)前記K434E突然変異を含むが、前記I148M突然変異を含まない、
請求項2に記載の非ヒト動物。 The human PNPLA3 luminal domain is
(I) wild type human PNPLA3 luminal domain;
(II) is wild type at the position corresponding to position 148 of SEQ ID NO: 5;
(III) containing the I148M mutation and/or the K434E mutation;
(IV) comprising said I148M mutation and said K434E mutation, or
(V) comprising the K434E mutation but not the I148M mutation;
The non-human animal according to claim 2.
(II)前記ヒトPNPLA3内腔ドメインが、配列番号65に記載の配列を含む、または前記ヒトPNPLA3内腔ドメインが、配列番号66に記載のコード配列によってコードされる、または
(III)前記ヒトPNPLA3内腔ドメインが、配列番号8に記載の配列を含む、または前記ヒトPNPLA3内腔ドメインが、配列番号18に記載のコード配列によってコードされる、
請求項3に記載の非ヒト動物。 (I) the human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 10, or the human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 20;
(II) said human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 65, or said human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 66, or
(III) the human PNPLA3 luminal domain comprises the sequence set forth in SEQ ID NO: 8, or the human PNPLA3 luminal domain is encoded by the coding sequence set forth in SEQ ID NO: 18;
The non-human animal according to claim 3 .
前記ヒト化内因性Pnpla3遺伝子座が、内因性Pnpla3プロモーターを含み、前記ヒトPNPLA3配列が、前記内因性Pnpla3プロモーターに作動可能に連結されている、先行請求項のいずれか一項に記載の非ヒト動物。 The region of the endogenous Pnpla3 locus from the first exon to the penultimate exon, including all intervening introns, has been deleted in the humanized endogenous Pnpla3 locus, and the human PNPLA3 replaced with a region of the human PNPLA3 locus that includes the sequence between the start codon and the human PNPLA3 stop codon,
The non-human according to any one of the preceding claims, wherein the humanized endogenous Pnpla3 locus comprises an endogenous Pnpla3 promoter, and the human PNPLA3 sequence is operably linked to the endogenous Pnpla3 promoter. animal.
(II)ヒト化PINPLA3遺伝子座によってコードされる前記PNPLA3タンパク質が、野生型ヒトPNPLA3タンパク質である、
請求項15に記載の非ヒト動物。 (I) said PNPLA3 protein encoded by said humanized PNPLA3 locus comprises an I148M mutation and/or a K434E mutation, or
(II) the PNPLA3 protein encoded by the humanized PINPLA3 locus is a wild-type human PNPLA3 protein;
The non-human animal according to claim 15 .
(ii)前記ヒト化内因性PNPLA3遺伝子座が、配列番号5、9、もしくは63に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含むタンパク質をコードする、
(iii)前記ヒト化内因性PNPLA3遺伝子座が、配列番号15、19、もしくは64に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含むコード配列を含む、または
(iv)前記ヒト化内因性PNPLA3遺伝子座が、配列番号21、22、67、もしくは68に記載の配列と少なくとも90%、少なくとも95%、少なくとも96%、少なくとも97%、少なくとも98%、少なくとも99%、もしくは100%同一の配列を含む、先行請求項のいずれか一項に記載の非ヒト動物。 (i) the human PNPLA3 sequence in the humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% the sequence set forth in SEQ ID NO: 62 or 69; % or 100% identical sequences ,
(ii) said humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% of the sequence set forth in SEQ ID NO: 5, 9, or 63; or encode a protein that contains 100% identical sequences;
(iii) the humanized endogenous PNPLA3 locus is at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99% of the sequence set forth in SEQ ID NO: 15, 19, or 64; or (iv) said humanized endogenous PNPLA3 locus is at least 90%, at least 95% identical to the sequence set forth in SEQ ID NO: 21, 22, 67, or 68. , at least 96%, at least 97%, at least 98%, at least 99%, or 100% identical sequences.
A non-human animal cell comprising a humanized endogenous PNPLA3 locus in its genome, wherein a segment of the endogenous PNPLA3 locus has been deleted and replaced with a corresponding human PNPLA3 sequence.
(a)請求項1~24のいずれか一項に記載の非ヒト動物に前記ヒトPNPLA3標的化試薬を投与することと、
(b)前記非ヒト動物における前記ヒトPNPLA3標的化試薬の前記活性を評価することと、を含む、方法。 1. A method of evaluating the activity of a human PNPLA3 targeting reagent in vivo, the method comprising:
(a) administering the human PNPLA3 targeting reagent to the non-human animal according to any one of claims 1 to 24 ;
(b) assessing the activity of the human PNPLA3 targeting reagent in the non-human animal.
(II)ステップ(b)が、肝脂肪含有量を測定すること、および/または前記非ヒト動物における肝脂肪滴中のPNPLA3レベルを測定することを含む、
(III)ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座によってコードされるPNPLA3メッセンジャーRNAの発現を測定することを含む、
(IV)ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座によってコードされるPNPLA3タンパク質の発現を測定することを含む、
(V)前記ヒトPNPLA3標的化試薬が、ゲノム編集剤であり、ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座の改変を評価することを含む、または
(VI)ステップ(b)が、前記ヒト化内因性PNPLA3遺伝子座内の挿入または欠失の頻度を測定することを含む、
請求項26または27に記載の方法。 (I) step (b) comprises assessing the activity of the human PNPLA3 targeting reagent in the liver of the non-human animal;
(II) step (b) comprises measuring liver fat content and/or measuring PNPLA3 levels in liver fat droplets in said non-human animal;
(III) step (b) comprises measuring the expression of PNPLA3 messenger RNA encoded by the humanized endogenous PNPLA3 locus;
(IV) step (b) comprises measuring the expression of PNPLA3 protein encoded by the humanized endogenous PNPLA3 locus;
(V) the human PNPLA3 targeting reagent is a genome editing agent, and step (b) comprises assessing modification of the humanized endogenous PNPLA3 locus, or
(VI) step (b) comprises determining the frequency of insertions or deletions within the humanized endogenous PNPLA3 locus;
28. A method according to claim 26 or 27 .
(I)ヒトPNPLA3遺伝子の領域を標的化するように設計されたヌクレアーゼ剤、
(II)外因性ドナー核酸であって、前記ヒトPNPLA3遺伝子を標的化するように設計されている、外因性ドナー核酸、
(III)RNAi剤またはアンチセンスオリゴヌクレオチド、
(IV)抗原結合タンパク質、または
(V)小分子
を含む、請求項26~28のいずれか一項に記載の方法。 The human PNPLA3 targeting reagent comprises:
(I) a nuclease agent designed to target a region of the human PNPLA3 gene ;
(II) an exogenous donor nucleic acid, the exogenous donor nucleic acid being designed to target said human PNPLA3 gene;
(III) RNAi agent or antisense oligonucleotide,
(IV) an antigen binding protein, or
(V) Small molecules
29. A method according to any one of claims 26 to 28 , comprising:
(I)ゲノムにヒト化内因性PNPLA3遺伝子座を含む第1の非ヒト動物において、請求項26~30のいずれか一項に記載の方法を1回目に実施することと、
(II)可変要素を変更し、ゲノムにヒト化内因性PNPLA3遺伝子座を含む第2の非ヒト動物において、前記変更された可変要素を用いてステップ(I)の方法を2回目に実施することと、
(III)ステップ(I)の前記ヒトPNPLA3標的化試薬の前記活性を、ステップ(II)の前記ヒトPNPLA3標的化試薬の前記活性と比較し、より高い活性をもたらす方法を選択することとを含む、方法。 1. A method of optimizing the activity of a human PNPLA3 targeting reagent in vivo, the method comprising:
(I) performing the method of any one of claims 26 to 30 for the first time in a first non-human animal containing a humanized endogenous PNPLA3 locus in its genome;
(II) modifying the variable element and performing the method of step (I) a second time using the modified variable element in a second non-human animal whose genome includes a humanized endogenous PNPLA3 locus; and,
(III) comparing the activity of the human PNPLA3 targeting reagent of step (I) with the activity of the human PNPLA3 targeting reagent of step (II) and selecting a method that results in a higher activity. ,Method.
(I)前記ヒトPNPLA3標的化試薬を前記非ヒト動物に導入する送達方法、
(II)前記ヒトPNPLA3標的化試薬を前記非ヒト動物に導入する投与経路、
(III)前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬の濃度または量、
(IV)前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬の形態、あるいは
(V)前記非ヒト動物に導入された前記ヒトPNPLA3標的化試薬
である、請求項31に記載の方法。 The modified variable element in step (II) is
(I) a delivery method of introducing the human PNPLA3 targeting reagent into the non-human animal;
(II) an administration route for introducing the human PNPLA3 targeting reagent into the non-human animal;
(III) the concentration or amount of the human PNPLA3 targeting reagent introduced into the non-human animal;
(IV) the form of the human PNPLA3 targeting reagent introduced into the non-human animal, or
(V) the human PNPLA3 targeting reagent introduced into the non-human animal
32. The method of claim 31 .
(I)(a)非ヒト動物宿主胚に、ヒト化内因性Pnpla3遺伝子座をゲノムに含む遺伝子改変された非ヒト動物胚性幹(ES)細胞を導入することであって、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられている、導入することと、
(b)前記非ヒト動物宿主胚を代理母において妊娠させることであって、前記代理母が、前記ヒト化内因性Pnpla3遺伝子座を含むF0子孫遺伝子改変非ヒト動物を産生する、妊娠させることと、あるいは
(II)(a)非ヒト動物1細胞期胚のゲノムを改変して、そのゲノムに、前記内因性Pnpla3遺伝子座のセグメントが削除され、対応するヒトPNPLA3配列で置き換えられたヒト化内因性Pnpla3遺伝子座を含み、それにより、非ヒト動物の遺伝子改変胚を生成することと、
(b)前記非ヒト動物の遺伝子改変胚を代理母において妊娠させることであって、前記代理母が、前記ヒト化内因性Pnpla3遺伝子座を含むF0子孫遺伝子改変非ヒト動物を産生する、妊娠させることと
を含む、方法。
A method for producing a non-human animal according to any one of claims 1 to 24 , comprising:
(I) (a) introducing into a non-human animal host embryo a genetically modified non-human animal embryonic stem (ES) cell containing a humanized endogenous Pnpla3 locus in its genome, the endogenous Pnpla3 introducing a segment of the locus is deleted and replaced with the corresponding human PNPLA3 sequence;
(b) impregnating said non-human animal host embryo in a surrogate mother, said surrogate mother producing an F0 progeny genetically modified non-human animal comprising said humanized endogenous Pnpla3 locus; , or
(II) (a) Humanized endogenous Pnpla3 in which a segment of the endogenous Pnpla3 locus is deleted and replaced with the corresponding human PNPLA3 sequence by modifying the genome of a one-cell stage embryo of a non-human animal; comprising a genetic locus, thereby producing a genetically modified embryo of a non-human animal;
(b) impregnating the genetically modified embryo of said non-human animal in a surrogate mother, said surrogate mother producing an F0 progeny genetically modified non-human animal comprising said humanized endogenous Pnpla3 locus; Kototo
including methods.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202062966837P | 2020-01-28 | 2020-01-28 | |
US62/966,837 | 2020-01-28 | ||
PCT/US2021/015192 WO2021154791A1 (en) | 2020-01-28 | 2021-01-27 | Non-human animals comprising a humanized pnpla3 locus and methods of use |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023511626A JP2023511626A (en) | 2023-03-20 |
JPWO2021154791A5 true JPWO2021154791A5 (en) | 2024-01-18 |
Family
ID=74666808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022545826A Pending JP2023511626A (en) | 2020-01-28 | 2021-01-27 | Non-human animals containing a humanized PNPLA3 locus and methods of use |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210227812A1 (en) |
EP (1) | EP4096396A1 (en) |
JP (1) | JP2023511626A (en) |
KR (1) | KR20220133248A (en) |
CN (1) | CN115175559A (en) |
AU (1) | AU2021212668A1 (en) |
CA (1) | CA3169272A1 (en) |
WO (1) | WO2021154791A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023064798A2 (en) * | 2021-10-13 | 2023-04-20 | The Board Of Trustees Of The Leland Stanford Junior University | Differential proliferation of human hematopoietic stem and progenitor cells using truncated erythropoietin receptors |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999005266A2 (en) | 1997-07-26 | 1999-02-04 | Wisconsin Alumni Research Foundation | Trans-species nuclear transfer |
US6586251B2 (en) | 2000-10-31 | 2003-07-01 | Regeneron Pharmaceuticals, Inc. | Methods of modifying eukaryotic cells |
US6596541B2 (en) | 2000-10-31 | 2003-07-22 | Regeneron Pharmaceuticals, Inc. | Methods of modifying eukaryotic cells |
US20050144655A1 (en) | 2000-10-31 | 2005-06-30 | Economides Aris N. | Methods of modifying eukaryotic cells |
AUPR451401A0 (en) | 2001-04-20 | 2001-05-24 | Monash University | A method of nuclear transfer |
US20040033497A1 (en) * | 2002-08-13 | 2004-02-19 | Alarcon-Riquelme Marta E. | Polymorphisms of PD-1 |
US7612250B2 (en) | 2002-07-29 | 2009-11-03 | Trustees Of Tufts College | Nuclear transfer embryo formation method |
WO2005059099A2 (en) * | 2003-12-11 | 2005-06-30 | Washington University In St.Louis | Human ipla2t |
PL1802193T3 (en) | 2004-10-19 | 2014-09-30 | Regeneron Pharma | Method for generating a mouse homozygous for a genetic modification |
CN101117633B (en) | 2006-08-03 | 2011-07-20 | 上海交通大学附属儿童医院 | Nucleus transplantation method |
CN102037594A (en) | 2008-04-11 | 2011-04-27 | Utc电力公司 | Fuel cell and bipolar plate having manifold sump |
KR101747103B1 (en) | 2009-06-26 | 2017-06-14 | 리제너론 파마슈티칼스 인코포레이티드 | Readily isolated bispecific antibodies with native immunoglobulin format |
WO2011020014A1 (en) | 2009-08-14 | 2011-02-17 | Regeneron Pharmaceuticals, Inc. | Promoter-regulated differentiation-dependent self-deleting cassette |
PT3147362T (en) | 2009-10-29 | 2019-04-02 | Regeneron Pharma | Multifunctional alleles |
EP4233537A3 (en) * | 2011-02-15 | 2023-09-13 | Regeneron Pharmaceuticals, Inc. | Humanized m-csf mice and uses thereof |
CN108866101A (en) * | 2011-10-28 | 2018-11-23 | 瑞泽恩制药公司 | Humanization IL-6 and IL-6 receptor |
PL2847335T3 (en) | 2012-04-25 | 2019-01-31 | Regeneron Pharmaceuticals, Inc. | Nuclease-mediated targeting with large targeting vectors |
DE202013012241U1 (en) | 2012-05-25 | 2016-01-18 | Emmanuelle Charpentier | Compositions for RNA-directed modification of a target DNA and for RNA-driven modulation of transcription |
US8962913B2 (en) * | 2012-06-18 | 2015-02-24 | Regeneron Pharmaceuticals, Inc. | Humanized IL-7 rodents |
WO2014033644A2 (en) | 2012-08-28 | 2014-03-06 | Novartis Ag | Methods of nuclease-based genetic engineering |
PL2928496T3 (en) | 2012-12-06 | 2020-04-30 | Sigma-Aldrich Co. Llc | Crispr-based genome modification and regulation |
CA2900992C (en) | 2013-02-20 | 2023-02-28 | Regeneron Pharmaceuticals, Inc. | Genetic modification of rats |
AU2014253942B9 (en) | 2013-04-16 | 2020-08-13 | Regeneron Pharmaceuticals, Inc. | Targeted modification of rat genome |
DK3138397T3 (en) * | 2013-10-15 | 2019-04-15 | Regeneron Pharma | Humanized IL-15 animals |
CN116836957A (en) | 2013-10-17 | 2023-10-03 | 桑格摩生物科学股份有限公司 | Delivery methods and compositions for nuclease-mediated genome engineering |
KR102173260B1 (en) * | 2013-11-19 | 2020-11-03 | 리제너론 파마슈티칼스 인코포레이티드 | Non-human animals having a humanized b-cell activating factor gene |
WO2015077072A1 (en) * | 2013-11-19 | 2015-05-28 | Regeneron Pharmaceuticals, Inc. | Non-human animals having a humanized a proliferation-inducing ligand gene |
RU2725520C2 (en) | 2013-12-11 | 2020-07-02 | Регенерон Фармасьютикалс, Инк. | Methods and compositions for genome targeted modification |
EP3110454B1 (en) | 2014-02-24 | 2020-11-18 | Sangamo Therapeutics, Inc. | Methods and compositions for nuclease-mediated targeted integration |
NO2785538T3 (en) * | 2014-05-07 | 2018-08-04 | ||
BR112016026245A2 (en) * | 2014-05-30 | 2018-02-20 | Regeneron Pharma | "rodent, and methods for making a humanized rodent, for making a humanized dpp4 mouse, for making a humanized transgenic rodent, and for determining the in vivo therapeutic efficacy of a human-specific dpp4 antagonist in the rodent?" |
EA039693B1 (en) | 2014-06-16 | 2022-02-28 | Дзе Джонс Хопкинс Юниверсити | COMPOSITIONS AND METHODS FOR THE EXPRESSION OF CRISPR GUIDE RNAs USING THE H1 PROMOTER |
KR102482295B1 (en) * | 2014-06-19 | 2022-12-30 | 리제너론 파마슈티칼스 인코포레이티드 | Non-human animals having a humanized programmed cell death 1 gene |
EP3354732B1 (en) | 2014-06-23 | 2020-01-08 | Regeneron Pharmaceuticals, Inc. | Nuclease-mediated dna assembly |
SG11201610633QA (en) | 2014-06-26 | 2017-01-27 | Regeneron Pharma | Methods and compositions for targeted genetic modifications and methods of use |
US10342761B2 (en) | 2014-07-16 | 2019-07-09 | Novartis Ag | Method of encapsulating a nucleic acid in a lipid nanoparticle host |
KR102531016B1 (en) | 2014-11-21 | 2023-05-10 | 리제너론 파마슈티칼스 인코포레이티드 | METHODS AND COMPOSITIONS FOR TARGETED GENETIC MODIFICATION USING PAIRED GUIDE RNAs |
US11096956B2 (en) * | 2015-12-14 | 2021-08-24 | Stoke Therapeutics, Inc. | Antisense oligomers and uses thereof |
KR102617874B1 (en) | 2016-03-30 | 2023-12-22 | 인텔리아 테라퓨틱스, 인크. | Lipid nanoparticle formulations for CRISPR/CAS components |
-
2021
- 2021-01-27 AU AU2021212668A patent/AU2021212668A1/en active Pending
- 2021-01-27 CA CA3169272A patent/CA3169272A1/en active Pending
- 2021-01-27 KR KR1020227029388A patent/KR20220133248A/en unknown
- 2021-01-27 EP EP21706449.2A patent/EP4096396A1/en active Pending
- 2021-01-27 JP JP2022545826A patent/JP2023511626A/en active Pending
- 2021-01-27 US US17/159,564 patent/US20210227812A1/en active Pending
- 2021-01-27 WO PCT/US2021/015192 patent/WO2021154791A1/en unknown
- 2021-01-27 CN CN202180016138.9A patent/CN115175559A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2021500867A5 (en) | ||
Postic et al. | Cell-specific roles of glucokinase in glucose homeostasis | |
Postic et al. | Dual roles for glucokinase in glucose homeostasis as determined by liver and pancreatic β cell-specific gene knock-outs using Cre recombinase | |
JP2020532952A5 (en) | ||
AU2006255686A1 (en) | Transgenic models for different genes and their use for gene characterization | |
RU2019143568A (en) | METHODS AND COMPOSITIONS FOR ASSESSING CRISPR / CAS-INDUCED RECOMBINATION WITH EXOGENIC DONORIC NUCLEIC ACID IN VIVO | |
JPWO2019183123A5 (en) | ||
JPWO2019067875A5 (en) | ||
EP2882284B1 (en) | Animal model of krabbe's disease | |
JPWO2021154791A5 (en) | ||
US20210274759A1 (en) | A rodent model of b4galt1-mediated functions | |
JPWO2020247452A5 (en) | ||
JP5939487B2 (en) | Epo-deficient GFP anemia mouse | |
Takács et al. | The regulated long-term delivery of therapeutic proteins by using antigen-specific B lymphocytes | |
JPWO2020247812A5 (en) | ||
Wang et al. | Uses of knockout, knockdown, and transgenic models in the studies of glucose transporter 4 | |
RU2021130741A (en) | Non-human animals containing a humanized albumin locus | |
JPWO2020206139A5 (en) | ||
RU2021123763A (en) | Non-human animals having a humanized clotting factor 12 locus | |
US20220217956A1 (en) | Rodent Model Of Increased Bone Mineral Density | |
US20240315221A1 (en) | Rodent anmals expressing human cr1 | |
Das et al. | Using genetically engineered mice to study myocardial ischemia-reperfusion injury | |
RU2022125418A (en) | CAS-EXPRESSING MOUSE EMBRYO STEM CELLS AND MICE AND THEIR APPLICATIONS | |
US20030157076A1 (en) | Disruption of the Akt2 gene | |
CN116138217A (en) | CCN2 gene humanized non-human animal and construction method and application thereof |