JP2013544075A - Il33のn末端ドメインが欠失している炎症マウスモデル - Google Patents
Il33のn末端ドメインが欠失している炎症マウスモデル Download PDFInfo
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Abstract
Description
ターゲティングベクター(SEQ ID. NO. 2)を、Gene Bridges GmbH, Heidelbergにより供給されるようなリコンビニアリング(recombineering)技術を用いて作製した。ベクターは、以下の要素を含有する。
1-70 IL-33エクソン1b
71-3871 イントロン
3872-3882 IL-33エクソン2
3883-4557 dsRedモノマーCDS
4558-4579 IL-33エクソン3
4580-4590 イントロン配列
4591-4626 lox部位
4625-6040 ネオマイシン選択カセット
6041-6074 lox部位
6075-6571 イントロン配列
6572-6682 IL-33エクソン4
6683-7285 イントロン
7286-7603 pBluescript SKII+
7604-8463 ジフテリア毒素選択カセット
8464-10697 pBluescript SKII+
オリゴヌクレオチド
2種のBalb/cバックグラウンドに遺伝子改変したノックインマウスモデルを作製した。第1の変異体は、N末端の細胞内転写因子様活性を標的として蛍光色素DsRdモノマーでインフレーム置換し(DsRed-IL33/COOH)、機能的なサイトカインドメインは完全に保持する(図1)。第2の変異体は、炎症誘発性サイトカインドメインを蛍光色素DsRedでのインフレームノックインにより置換し、DNA結合ドメインは無傷のまま保持する(NH2/L33-DsRed)。
予想外に、IL-33N末端ドメインを失っているが細胞質中の有効な炎症誘発性サイトカイン活性を維持している、遺伝子操作したヘテロ接合性変異体マウス(DsRed-IL33/COOH)は、生後4か月ごろに死亡した。それらは、出生時明らかに正常であり、進行的に病気になり、4〜5か月後に約60%の推定表現型浸透率で最終的に瀕死状態になる。生後3〜4か月で、これらの変異体は、耳における血性病変および肥大した腹部を示し始める。剖検時には、大量の脾腫、腸炎症を示唆する回腸(ilion)の肥厚、胸腔における大きな凝塊の存在、および腎萎縮症が、繰り返し観察される(図2〜5)。FACS解析における様々な器官のより精密な検査により、肺、脾臓、リンパ球、パイエル板、および末梢血における強度の好酸球増加が示された(図6)。血清IL-33レベルは、DsRed-IL33/COOHノックアウトマウスにおいて上昇している(図7)。
本発明者らは、最近、IL-33の鼻腔内投与が、間質におけるマクロファージ起源の多核巨細胞を伴う重度の肺炎症を誘発することを見出した(準備中のHicksらの原稿)。同様に、IL-33はまた、組織病理学により示されるように、骨髄性/顆粒球性細胞の大きなクラスターを伴う骨髄過形成も誘発した(準備中のHicksらの原稿)。さらに、高レベルの可溶性IL-33が、これらのマウスの末梢血の血漿中に見出され、本発明者らのDsRed-IL33/COOH変異体動物において見られる免疫病理学的効果が、細胞質中の完全に活性を有するDsRed-IL33/COOHサイトカインの連続的な存在および細胞外区画中へのその可能性のある放出の結果であり、従って仮定されているように強力な内因性DAMPシグナルとして挙動することを、強く示唆する。
Claims (14)
- IL-33遺伝子のN末端が欠失している、非ヒト動物。
- IL-33遺伝子のN末端のDNA結合ドメイン全体が欠失している、請求項1記載の非ヒト動物。
- 哺乳動物である、請求項1または2記載の非ヒト動物。
- 齧歯動物である、請求項3記載の非ヒト動物。
- 非ヒト動物がマウスであり、かつ、IL-33遺伝子のN末端の欠失が、IL-33遺伝子の発現産物のアミノ酸1-67の欠失を含む、請求項4記載の非ヒト動物。
- 同一または別の遺伝子型の動物と繁殖させることにより得られる、請求項1〜5のいずれか一項記載の非ヒト動物の子孫。
- 請求項1〜5のいずれか一項記載の非ヒト動物または請求項6記載の子孫に由来する、細胞株または初代細胞培養物。
- 請求項1〜5のいずれか一項記載の非ヒト動物または請求項6記載の子孫に由来する、組織もしくは器官外植片またはそれらの培養物。
- 炎症性疾患のモデルとしての、請求項1〜5のいずれか一項記載の非ヒト動物、請求項6記載の子孫、請求項7記載の細胞株もしくは初代細胞培養物、または請求項8記載の組織もしくは器官外植片の使用。
- 抗炎症性化合物のスクリーニングのための、請求項9記載の炎症性疾患のモデルの使用。
- 抗炎症性化合物の薬理学的効果の評価のための、請求項9記載の炎症性疾患のモデルの使用。
- 請求項1〜5のいずれか一項記載の非ヒト動物または請求項6記載のその子孫に候補化合物を投与する段階を含む、抗炎症性化合物のスクリーニングのための方法。
- 請求項1〜5のいずれか一項記載の非ヒト動物または請求項6記載のその子孫に抗炎症性化合物を投与する段階を含む、該抗炎症性化合物の薬理学的効果の評価のための方法。
- 本質的に明細書において記載されるような、非ヒト動物、使用、および方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10189446 | 2010-10-29 | ||
| EP10189446.7 | 2010-10-29 | ||
| PCT/EP2011/068696 WO2012055891A1 (en) | 2010-10-29 | 2011-10-26 | Murine model of inflammation with il33 n-terminal domain deletion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013544075A true JP2013544075A (ja) | 2013-12-12 |
| JP6109740B2 JP6109740B2 (ja) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013533243A Expired - Fee Related JP6109740B2 (ja) | 2010-10-29 | 2011-10-26 | Il33のn末端ドメインが欠失している炎症マウスモデル |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US20130318641A1 (ja) |
| EP (1) | EP2632250A1 (ja) |
| JP (1) | JP6109740B2 (ja) |
| KR (2) | KR101755965B1 (ja) |
| CN (1) | CN103179851B (ja) |
| BR (1) | BR112013007041A2 (ja) |
| CA (1) | CA2815112A1 (ja) |
| MX (1) | MX2013004239A (ja) |
| RU (1) | RU2577988C2 (ja) |
| WO (1) | WO2012055891A1 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016077366A1 (en) | 2014-11-10 | 2016-05-19 | Genentec, Inc. | Therapeutic and diagnostic methods for il-33-mediated disorders |
| BR112017009728A2 (pt) | 2014-11-10 | 2018-02-06 | Genentech, Inc. | anticorpos isolados, ácido nucleico isolado, vetor, célula hospedeira, método para produzir o anticorpo, composição, usos de um anticorpo e métodos de tratamento de um distúrbio |
| US10143187B2 (en) | 2017-02-17 | 2018-12-04 | Denali Therapeutics Inc. | Transferrin receptor transgenic models |
| RS63818B1 (sr) | 2017-02-17 | 2023-01-31 | Denali Therapeutics Inc | Konstruisani polipeptidi za vezivanje za receptor transferina |
| US10457717B2 (en) | 2017-02-17 | 2019-10-29 | Denali Therapeutics Inc. | Engineered polypeptides |
| WO2021018198A1 (en) * | 2019-07-29 | 2021-02-04 | Beijing Biocytogen Co., Ltd | Genetically modified non-human animal with human or chimeric il33 |
| PE20230252A1 (es) | 2020-03-13 | 2023-02-07 | Genentech Inc | Anticuerpos anti-interleucina-33 y sus usos de estos |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10258885A1 (de) * | 2002-12-17 | 2004-07-15 | Aventis Pharma Deutschland Gmbh | Verfahren zur Generierung eines gentechnisch veränderten Organismus |
-
2011
- 2011-10-26 KR KR1020157023121A patent/KR101755965B1/ko not_active Expired - Fee Related
- 2011-10-26 KR KR1020137010445A patent/KR20130092589A/ko not_active Ceased
- 2011-10-26 JP JP2013533243A patent/JP6109740B2/ja not_active Expired - Fee Related
- 2011-10-26 CA CA2815112A patent/CA2815112A1/en not_active Abandoned
- 2011-10-26 RU RU2013123512/10A patent/RU2577988C2/ru not_active IP Right Cessation
- 2011-10-26 MX MX2013004239A patent/MX2013004239A/es unknown
- 2011-10-26 EP EP11776153.6A patent/EP2632250A1/en not_active Withdrawn
- 2011-10-26 CN CN201180051772.2A patent/CN103179851B/zh not_active Expired - Fee Related
- 2011-10-26 BR BR112013007041A patent/BR112013007041A2/pt not_active Application Discontinuation
- 2011-10-26 WO PCT/EP2011/068696 patent/WO2012055891A1/en not_active Ceased
-
2013
- 2013-04-22 US US13/867,263 patent/US20130318641A1/en not_active Abandoned
-
2014
- 2014-09-03 US US14/476,626 patent/US9271479B2/en not_active Expired - Fee Related
Non-Patent Citations (3)
| Title |
|---|
| JPN6014034415; K.Oboki, et al: PNAS Vol.107, No.43, 20101026, p.18581-18586 * |
| JPN6014034416; V.Carriere, et al: PNAS Vol.104, No.1, 2007, p.282-287 * |
| JPN6014034417; L.Roussel, et al: EMBO reports Vol.9, No.10, 2008, p.1006-1012 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2632250A1 (en) | 2013-09-04 |
| RU2013123512A (ru) | 2014-12-10 |
| RU2577988C2 (ru) | 2016-03-20 |
| KR20130092589A (ko) | 2013-08-20 |
| US9271479B2 (en) | 2016-03-01 |
| CA2815112A1 (en) | 2012-05-03 |
| CN103179851B (zh) | 2016-08-03 |
| KR101755965B1 (ko) | 2017-07-07 |
| BR112013007041A2 (pt) | 2016-09-13 |
| US20130318641A1 (en) | 2013-11-28 |
| WO2012055891A1 (en) | 2012-05-03 |
| US20150026832A1 (en) | 2015-01-22 |
| CN103179851A (zh) | 2013-06-26 |
| KR20150103332A (ko) | 2015-09-09 |
| MX2013004239A (es) | 2013-05-30 |
| JP6109740B2 (ja) | 2017-04-05 |
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