JP2001509178A - 核酸を輸送するための微粒子 - Google Patents
核酸を輸送するための微粒子Info
- Publication number
- JP2001509178A JP2001509178A JP53476498A JP53476498A JP2001509178A JP 2001509178 A JP2001509178 A JP 2001509178A JP 53476498 A JP53476498 A JP 53476498A JP 53476498 A JP53476498 A JP 53476498A JP 2001509178 A JP2001509178 A JP 2001509178A
- Authority
- JP
- Japan
- Prior art keywords
- dna
- nucleic acid
- microparticles
- sequence
- preparation
- 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
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.それぞれがポリマー基質および核酸を含み、該ポリマー基質が、本質的に 、水の中での溶解度がおよそ1mg/l未満である、一つ以上の合成ポリマーからな る微粒子の調製物において、 少なくとも90%の微粒子が直径約100ミクロンよりも小さく、 該核酸が、そのうちの少なくとも50%が閉環状になっているRNA分子と、そのう ちの少なくとも50%がスーパーコイル化している環状プラスミドDNA分子とからな る群より選択される調製物。 2.安定化化合物をさらに含む、請求項1記載の調製物。 3.少なくとも90%の微粒子が、約20ミクロンよりも小さな直径をもつ、請求項 1記載の調製物。 4.重量で、少なくとも50%の核酸が、スーパーコイル化プラスミドDNA分子か らなる、請求項1記載の調製物。 5.本質的に、水の中での溶解度がおよそ1mg/lよりも小さい、一つ以上の合 成ポリマーからなるポリマー基質と、 そのうちの少なくとも50%がスーパーコイル化DNAである核酸分子 とを含む、直径が約20ミクロンよりも小さい微粒子。 6.ポリマー基質が生物分解性である、請求項5記載の微粒子。 7.ポリマー基質が、本質的に、1種類の生物分解性合成コポリマーからなる、 請求項5記載の微粒子。 8.コポリマーが、ポリ-乳酸-コ-グリコール酸(PLGA)である、請求項7記載 の微粒子。 9.コポリマーにおける乳酸とグリコール酸との比率が、重量で、約1:2から 約4:1の範囲内にある、請求項8記載の微粒子。 10.約11ミクロンよりも小さい直径をもつ、請求項5記載の微粒子。 11.水性溶液に懸濁されている、請求項5記載の微粒子。 12.乾燥した固体状態にある、請求項5記載の微粒子。 13.核酸分子が、コード配列に機能的に結合された発現調節配列を含む、請求 項5記載の微粒子。 14.ポリマー基質と; コード配列に機能的に結合された発現調節配列を含む核酸分子において、この コード配列が、 (1)(a)哺乳動物の天然のタンパク質の断片、または、 (b)哺乳動物に感染する感染性病原体の天然のタンパク質の断片 の配列と本質的に同一の配列をもつ、長さが少なくとも7アミノ酸のポリペプチ ド、 (2)MHCクラスIまたはII分子に結合することができる長さと配列をもつペプ チド、および (3)転送配列に連結した該ポリペプチドまたは該ペプチド からなる群より選択される発現産物をコードする核酸分子とを含む、直径が約20 ミクロンよりも小さい微粒子。 15.発現産物が、MHCクラスI分子に結合することのできる長さと配列とをもつ ペプチドを含む、請求項14記載の微粒子。 16.発現産物が、MHCクラスII分子に結合することのできる長さと配列とをも つペプチドを含む、請求項14記載の微粒子。 17.発現産物が、(1)T細胞によって認識される天然のペプチドの配列と、25 %の違いしかないアミノ酸配列をもち、(2)T細胞によって認識され、かつ(3) T細胞のサイトカインプロファイルを変更させる、請求項14記載の微粒子。 18.発現産物が、ミエリン塩基性タンパク質(MBP)、プロテオリピドタンパ ク質(PLP)、インバリアント鎖、GAD65、島細胞抗原、デスモグレイン、α-ク リスタリン、およびβ-クリスタリンからなる群より選択されるタンパク質の断 片の配列に少なくとも50%一致するアミノ酸を含み、該断片が、MHCクラスII分子 に結合する、請求項16記載の微粒子。 19.発現産物が、配列番号:1〜46からなる群より選択される配列に本質的に 同一なアミノ酸配列を含む、請求項16記載の微粒子。 20.発現産物が、小胞体に転送する配列、リソソームに転送する配列、エンド ソームに転送する配列、細胞からの分泌を惹き起こす配列、および核に転送する 配列からなる群より選択される転送配列を含む、請求項14記載の微粒子。 21.発現産物が、腫瘍抗原の抗原性部位の配列と本質的に同一のアミノ酸配列 を含む、請求項14記載の微粒子。 22.腫瘍抗原が、表3に列挙された抗原からなる群より選択される、請求項21 記載の微粒子。 23.発現産物が、ウイルス、細菌、および寄生性真核生物からなる群より選択 される感染病原体によって天然に発現されるタンパク質の抗原性断片の配列と本 質的に同一のアミノ酸配列を含む、請求項14記載の微粒子。 24.感染性病原体が、ヒトパピローマウイルス、ヒト免疫不全ウイルス、単純 抱疹ウイルス、B型肝炎ウイルス、C型肝炎ウイルス、プラスモディウム属(Plas modium)の生物種、およびマイコバクテリアからなる群より選択される、請求項 23記載の微粒子。 25.動物に核酸を投与する方法において、 請求項14記載の微粒子を提供する段階、および、 微粒子を動物の体内に導入する段階を含む方法。 26.微粒子を、溶液中に懸濁して提供する、請求項25記載の方法。 27.微粒子を動物に注射する、請求項25記載の方法。 28.微粒子を動物に植え込む、請求項25記載の方法。 29.ポリマー基質と; コード配列に機能的に結合された発現調節配列を含む核酸分子において、該コ ード配列が、発現されると動物の免疫応答を下降制御するようなタンパク質をコ ードしている核酸分子とを含む、直径が約20ミクロンよりも小さい微粒子。 30.(1)有機溶媒に溶解したポリマーを含む第一の溶液を提供する段階、 (2)極性または親水性の溶媒の中に溶解または懸濁した核酸を含む第二の溶 液を提供する段階、 (3)第一の溶液と第二の溶液とを混合して第一のエマルジョンを形成する段 階、および (4)第一のエマルジョンと、有機化合物を含む第三の溶液とを混合して、ポ リマー基質と核酸との微粒子を含む第二のエマルジョンを形成する段階を含む、 微粒子を調製するための方法において、いずれの混合段階も、平均して直径が10 0ミ クロンよりも小さな微粒子が製造される一方、核酸が剪断されるのを最小限にす るような様式で行われる方法。 31.核酸を精製し、次に、精製された核酸を極性または親水性の溶媒中に懸濁 することによって、第二の溶液を調製する、請求項30記載の方法。 32.核酸をアルコールで沈殿させ、次に、沈殿した核酸を極性または親水性の 溶媒中に懸濁することによって第二の溶液を調製する、請求項30記載の方法。 33.第二の溶液が、エチレンジアミン四酢酸、トリス(ヒドロキシメチル)ア ミノメタン、およびこれらを組み合わせたものからなる群より選択される緩衝化 合物を含む水性緩衝溶液をさらに含む、請求項30記載の方法。 34.第二の溶液が安定化化合物をさらに含む、請求項30記載の方法。 35.第二の溶液が界面活性剤をさらに含む、請求項30記載の方法。 36.第二の溶液がDNA縮合剤をさらに含む、請求項30記載の方法。 37.微粒子を賦形剤溶液に再懸濁する段階をさらに含む、請求項30記載の方法 。 38.第二のエマルジョンを高温に曝す、請求項30記載の方法。 39.第二のエマルジョンを、有機化合物を含む第四の溶液と混合するという、 さらに別の段階を含む、請求項30記載の方法。 40.水性溶液で微粒子を洗浄し、それによって洗浄された微粒子が製造される という、さらに別の段階を含む、請求項30記載の方法。 41.凍結した微粒子を製造するために、洗浄された微粒子に0℃よりも低い温 度をかける段階、および凍結乾燥した微粒子を製造するために、凍結した微粒子 を凍結乾燥させる段階という、さらに別の段階を含む、請求項40記載の方法。 42.直径が100ミクロンよりも大きい微粒子を本質的にすべて取り除くために 、微粒子をスクリーニングするという、さらに別の段階を含む、請求項30記載の 方法。 43.直径が20ミクロンよりも大きい微粒子を本質的にすべて取り除くために、 微粒子をスクリーニングするという、さらに別の段階を含む、請求項30記載の方 法。 44.請求項1記載の微粒子を提供する段階と、該微粒子を動物の体内に導入す る 段階とを含む、動物に核酸を投与する方法。 45.請求項2記載の微粒子を提供する段階と、該微粒子を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。 46.請求項3記載の微粒子を提供する段階と、該微粒子を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。 47.請求項6記載の微粒子を提供する段階と、該微粒子を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。 48.それぞれが、ポリマー基質と、タンパク質性の抗原決定基と、抗原性ポリ ペプチドをコードするDNAとを含む微粒子調製物。 49.抗原決定基が、哺乳動物において抗体反応を誘発する、請求項48記載の調 製物。 50.抗原性ポリペプチドが、T細胞応答を誘発する、請求項48記載の調製物。 51.T細胞応答が、細胞傷害性T細胞(CTL)応答である、請求項50記載の調製 物。 52.DNAがプラスミドDNAである、請求項48記載の調製物。 53.請求項29記載の調製物を提供する段階と、該調製物を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。 54.請求項48記載の調製物を提供する段階と、該調製物を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。 55.それぞれが、ポリマー基質と、核酸と、安定化化合物とを含み、該ポリマ ー基質が、本質的に、水の中での溶解度がおよそ1mg/lよりも小さい、一つ以上 の合成ポリマーからなる微粒子調製物において、 少なくとも90%の微粒子が直径約100ミクロンよりも小さく、 この核酸が、そのうちの少なくとも50%が閉環状になっているRNA分子、および 環状プラスミドDNA分子からなる群より選択される発現ベクターである調製物。 56.安定化化合物が陽イオン性化合物である、請求項55記載の調製物。 57.安定化化合物が糖類またはDNA縮合剤である、請求項55記載の調製物。 58.安定化化合物が陽イオン性化合物である、請求項2記載の調製物。 59.安定化化合物が糖類またはDNA縮合剤である、請求項2記載の調製物。 60.請求項55記載の調製物を提供する段階と、該調製物を動物の体内に導入す る段階とを含む、動物に核酸を投与する方法。
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US08/787,547 US5783567A (en) | 1997-01-22 | 1997-01-22 | Microparticles for delivery of nucleic acid |
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PCT/US1998/001499 WO1998031398A1 (en) | 1997-01-22 | 1998-01-22 | Microparticles for delivery of nucleic acid |
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CA (1) | CA2278450A1 (ja) |
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JP2003514832A (ja) * | 1999-11-19 | 2003-04-22 | ザイコス インク. | 微粒子製造に関する連続フロー法 |
WO2001093835A1 (en) * | 2000-06-02 | 2001-12-13 | Zycos Inc. | Delivery systems for bioactive agents |
CA2414926A1 (en) * | 2000-07-07 | 2002-01-17 | Corixa Corporation | Microspheres and adjuvants for dna vaccine delivery |
WO2002092132A2 (en) * | 2001-01-05 | 2002-11-21 | Corixa Corporation | Microparticles and methods for delivery of recombinant viral vaccines |
MY144532A (en) | 2001-08-20 | 2011-09-30 | Lundbeck & Co As H | Novel method for down-regulation of amyloid |
CN102711791A (zh) | 2009-07-03 | 2012-10-03 | 比奥诺尔免疫有限公司 | 用于hiv疫苗组合物或作为诊断方法的hiv相关肽的组合或融合物 |
US9873765B2 (en) | 2011-06-23 | 2018-01-23 | Dsm Ip Assets, B.V. | Biodegradable polyesteramide copolymers for drug delivery |
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EP1005374A4 (en) | 2002-08-28 |
DE69837602D1 (de) | 2007-05-31 |
DK1005374T3 (da) | 2007-08-20 |
EP1005374A1 (en) | 2000-06-07 |
WO1998031398A1 (en) | 1998-07-23 |
DE69837602T2 (de) | 2008-01-17 |
PT1005374E (pt) | 2007-07-18 |
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