JP2018527902A - 横断組織切片のユーザー定義領域における複数のタンパク質の同時定量 - Google Patents
横断組織切片のユーザー定義領域における複数のタンパク質の同時定量 Download PDFInfo
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Abstract
Description
本出願は、2015年7月17日に出願された米国特許仮出願第62/193,819号、2015年12月1日に出願された米国特許仮出願第62/261,654号、2016年1月11日に出願された米国特許仮出願第62/277,283号、および2016年4月15日に出願された米国特許仮出願第62/323,018号に対する優先権および利益を主張する。前述の出願それぞれは、参照によりその全体を本明細書に援用する。
標準的な免疫組織化学法は、3〜4個の標的が典型的ではあるが、多くても6〜10個のタンパク質標的の同時検出を可能にする。組織のユーザー定義領域、ユーザー定義細胞、および/または細胞内のユーザー定義細胞下構造内のタンパク質発現の同時の、多重検出および定量のためのプローブ、組成物、方法、およびキットの必要性が存在している。
本発明は、組織のユーザー定義領域、ユーザー定義細胞、および/または細胞内のユーザー定義細胞下構造内のタンパク質発現の同時の、多重検出および定量のためのプローブ、組成物、方法、およびキットに関する。
本発明は、組織のユーザー定義領域、ユーザー定義細胞、および/または細胞内のユーザー定義細胞下構造内のタンパク質および/または核酸発現の同時の、多重検出および定量のためのプローブ、組成物、方法、およびキットに一部基づいている。
エンドユーザーによるというよりむしろ製造場所にて、そして、より長いRNA分子を介した複数の骨格の架橋を避けるためにより高い温度にて、予備組み立てされなければならない;該予備組み立てステップの後には、RNA分子のバックグラウンドを増大させる(デオキシリボヌクレオチドを含めた)余分な非ハイブリダイズRNA分子を取り除くための精製が続く。(例えば、デオキシリボヌクレオチドを含めた)短い一本鎖標識オリゴヌクレオチドの使用は、プローブの製造を大いに簡素化し、さらに、その製造方法に関連するコストを削減する。
に当て、それによって、ROIから(蛍光バーコードを含む)シグナルオリゴヌクレオチドを放出させる。放出されたシグナルオリゴヌクレオチドを、FFPEサンプルから洗い流し、回収した。次に、該放出されたシグナルオリゴヌクレオチドからの蛍光バーコードを、NanoString Technologies(登録商標)製のnCounter(登録商標)システムによって認識し、デジタル的にカウントし、それによって、組織切片のユーザー規定の空間的領域内のそれぞれの標的タンパク質の量を定量した。第一ROIからのシグナルオリゴヌクレオチドを放出させ、回収した後に、集束UV光を、FFPE組織切片の第二ユーザー規定ROIに当て、それによって、第二ROIからシグナルオリゴヌクレオチドを放出させた。この制限されることのない例では、観察されたカウント数対UV照射面積の高度な直線性(0.97<R2<0.99)が観察され、そして、約100μm×100μm、または約100細胞の検出空間分解能を有した。意外なことに、本発明は、単独のFFPE組織切片において、対数5.5(基数10)のダイナミックレンジにて、最大800個の標的を定量するための「バーコーディングの可能性」をもたらした。
スライドに接着した黒色腫のサンプルを、最初に、蛍光を使用して画像化し、次に、タンパク質発現を、サンプルからデジタル的にカウントした。
Claims (51)
- (1)サンプル中の少なくとも1つの細胞内のまたはそこからの少なくとも1つのタンパク質標的を、標的結合ドメインおよびシグナルオリゴヌクレオチドを含む少なくとも1つのプローブと接触させ;
(2)該シグナルオリゴヌクレオチドを放出するのに十分な力を該サンプルのある位置に加え;および
(3)放出されたシグナルオリゴヌクレオチドを回収および同定し、それによって、該力を加えたサンプル中の特定の位置のまたはそこからの少なくとも1つのタンパク質標的を検出すること、
を含む、方法。 - 前記検出が、少なくとも1つのタンパク質標的の同一性および量を決定することを含む、請求項1に記載の方法。
- 前記少なくとも1つのタンパク質標的が、
少なくとも2つの異なったタンパク質標的または同じタンパク質標的の少なくとも2つのコピーを含む、請求項2に記載の方法。 - 前記検出が、異なったタンパク質標的のそれぞれの量を比較することを含む、請求項3に記載の方法。
- 前記サンプルの少なくとも第二の特定の位置に対して少なくともステップ(2)および(3)を反復することを更に含み、前記第二の特定の位置が、少なくとも第二の細胞を含む、請求項1に記載の方法。
- 前記検出が、特定の位置内のまたはそこからの少なくとも1つのタンパク質標的の量を、少なくとも第二の特定の位置のまたはそこからのものと比較することを含む、請求項5に記載の方法。
- 前記少なくとも1つの細胞と少なくとも第二の細胞とが、同じ細胞型である、請求項6に記載の方法。
- 前記少なくとも1つの細胞と少なくとも第二の細胞とが、異なった細胞型である、請求項6に記載の方法。
- 前記検出が、第一の細胞型内のまたはそこからの少なくとも1つのタンパク質標的、および少なくとも第二の細胞型内のまたはそこからのものの量を比較することを含む、請求項8に記載の方法。
- 第一の細胞型および少なくとも第二の細胞型が、正常細胞および異常細胞から独立に選択される、請求項9に記載の方法。
- 前記少なくとも1つの細胞が、表面に直接固定されるか、または少なくとも1つの他の細胞を介して表面に間接的に固定される、請求項1〜10のいずれか1項に記載の方法。
- 前記サンプルが、2〜1000μm厚の組織切片である、請求項11に記載の方法。
- 前記組織切片が、ホルマリンで固定されたパラフィン包埋(FFPE)サンプルから得られる、請求項12に記載の方法。
- 前記少なくとも1つの細胞が、培養細胞、初代細胞、または外植片からの解離細胞である、請求項1〜11のいずれか1項に記載の方法。
- 前記少なくとも1つの細胞が、固定されるかまたは固定されていない、請求項12または14に記載の方法。
- 前記少なくとも1つの細胞が、ステップ(2)の前に染色または標識され、それによって、染色または標識された細胞の細胞下構造、細胞構造、または組織関連構造の視覚化を可能にする、請求項1〜15のいずれか1項に記載の方法。
- 前記少なくとも1つのプローブが、標的結合ドメインとシグナルオリゴヌクレオチドとの間に位置するリンカーを更に含む、請求項1〜16のいずれか1項に記載の方法。
- 前記シグナルオリゴヌクレオチドが、一本鎖核酸または部分的に二本鎖核酸である、請求項1〜17のいずれか1項に記載の方法。
- 前記逆精製が、放出されたシグナルオリゴヌクレオチドから完全なプローブ分子を取り出すために使用される、請求項1〜18のいずれか1項に記載の方法。
- 前記逆精製が、完全なプローブを、完全なプローブの一部に相補的な固定されたオリゴヌクレオチドまたは完全なプローブの一部を認識し、結合する固定化抗体もしくはタンパク質結合モチーフと接触させることを含む親和性精製を含む、請求項19に記載の方法。
- 前記完全なプローブの標的結合ドメインが、普遍的な精製タグ、あるいは、固定されたオリゴヌクレオチドに部分的に相補的であるか、または固定化抗体もしくはタンパク質結合モチーフによって認識されるか、または結合されることができる配列を含む、請求項20に記載の方法。
- 前記リンカーが、切断可能リンカーを含む、請求項1〜21のいずれか1項に記載の方法。
- 前記切断可能リンカーが、光切断可能である、請求項22に記載の方法。
- 前記供給される力が光である、請求項23に記載の方法。
- 前記光が、アーク燈、レーザー、集束UV光源、および発光ダイオード(LED)から成る群から選択される光源によって供給される、請求項24に記載の方法。
- 前記光が、少なくとも1つの細胞の少なくとも1つの細胞下構造に照射される、請求項25に記載の方法。
- 前記検出が、少なくとも1つの細胞の少なくとも1つの細胞下構造内のまたはそこからの少なくとも1つのタンパク質標的の量を決定することを含む、請求項1〜26のいずれか1項に記載の方法。
- 前記力が、アーク燈、レーザー、集束UV光源、および発光ダイオード(LED)から成る群から選択される光源によって供給され、かつ、該光源が、少なくとも1つの細胞の少なくとも1つの細胞下構造に照射され、そして、少なくとも第二の細胞の少なくとも1つの細胞下構造に照射される、請求項5に記載の方法。
- 前記検出が、少なくとも1つの細胞の少なくとも1つの細胞下構造内のまたはそこからの少なくとも1つのタンパク質標的の量と、少なくとも第二の細胞の少なくとも1つの細胞下構造内またはそこからのものとを比較することを含む、請求項28に記載の方法。
- 前記標的結合ドメインが、抗体、ペプチド、アプタマー、およびペプトイドから成る群から選択される、請求項1〜29のいずれか1項に記載の方法。
- 前記検出が、ポリメラーゼ反応、逆転写酵素反応、オリゴヌクレオチドマイクロアレイへのハイブリダイゼーション、質量分析法、蛍光分子ビーコンへのハイブリダイゼーション、シークエンシング反応、またはnCounter(登録商標)分子バーコードを含む、請求項1〜30のいずれか1項に記載の方法。
- 前記タンパク質標的が、完全なタンパク質、複数のポリペプチド、ポリペプチド、またはペプチドである、請求項1〜31のいずれか1項に記載の方法。
- 前記シグナルオリゴヌクレオチドが、サンプルと、流体デバイスまたはサンプル上に配置された不透水層との間の25〜500μmの深さを有するチャンネルにおける液層、乱流、または遷移流を経由してサンプルから回収される、請求項1〜32のいずれか1項に記載の方法。
- 前記シグナルオリゴヌクレオチドは、少なくとも1つの細胞の近位溶液から回収される、請求項1〜33のいずれか1項に記載の方法。
- 前記近位溶液が、少なくとも1つの細胞の少なくともすぐ上に存在する、請求項34に記載の方法。
- 前記近位溶液が、吸引することによって回収される、請求項35に記載の方法。
- 前記吸引が、ピペット、毛細管、マイクロアレイピン、および/または穴を備えたフローセルによってである、請求項36に記載の方法。
- 前記毛細管が、光の力を少なくとも1つの細胞まで透過させることができる光学デバイスを備えている、請求項37に記載の方法。
- 前記光の力が、UV光である、請求項38に記載の方法。
- 前記ピペットまたはマイクロアレイピンが、複数のピペットまたはマイクロアレイピンを備えたアレイに取り付けられる、請求項39に記載の方法。
- 前記近位溶液が、陰イオン性重合体、好ましくは硫酸デキストラン、および/またはサケ精子DNAを含む、請求項1〜40のいずれか1項に記載の方法。
- 前記回収したシグナルオリゴヌクレオチドが、陰イオン性重合体、好ましくは硫酸デキストラン、および/またはサケ精子DNAを含む溶液に加えられる、請求項1〜41のいずれか1項に記載の方法。
- 前記方法が、レーザー走査デバイスを使用して関心領域に照射をおこなうことを更に含む、請求項1〜42のいずれか1項に記載の方法。
- 前記方法が、デジタルミラーデバイス(DMD)を使用して関心領域に照射をおこなうことを更に含む、請求項1〜42のいずれか1項に記載の方法。
- 前記方法が、サンプルに関する同時の空間分解タンパク質検出を提供する、請求項1〜44のいずれか1項に記載の方法。
- 前記デジタル読み出し値が、>5ログの線形ダイナミックレンジを有する、請求項1〜45のいずれか1項に記載の方法。
- 前記サンプルが、スライドに接着され、最初に、蛍光を使用して画像化され、次に、タンパク質発現が、サンプルからデジタル的にカウントされる、請求項1〜46のいずれか1項に記載の方法。
- 前記プローブが、5nM以下の濃度にて用意される、請求項1〜47のいずれか1項に記載の方法。
- 前記プローブが、1nM以下の濃度にて用意される、請求項48に記載の方法。
- 前記プローブが、0.4nM以下の濃度にて用意される、請求項49に記載の方法。
- 前記プローブが、0.2nM以下の濃度にて用意される、請求項50に記載の方法。
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JP2022511816A (ja) * | 2018-12-04 | 2022-02-01 | エフ.ホフマン-ラ ロシュ アーゲー | 細胞標的の空間指向性量子バーコード化 |
JP7332694B2 (ja) | 2018-12-04 | 2023-08-23 | エフ. ホフマン-ラ ロシュ アーゲー | 細胞標的の空間指向性量子バーコード化 |
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CN108350483A (zh) | 2018-07-31 |
KR102545430B1 (ko) | 2023-06-19 |
ES2975361T3 (es) | 2024-07-04 |
AU2016297513A1 (en) | 2018-02-15 |
WO2017015097A1 (en) | 2017-01-26 |
KR20180039643A (ko) | 2018-04-18 |
US20200040382A1 (en) | 2020-02-06 |
EP3325649B1 (en) | 2024-01-03 |
US20170016909A1 (en) | 2017-01-19 |
EP4368992A3 (en) | 2024-08-07 |
SG10202107055SA (en) | 2021-08-30 |
JP6971219B2 (ja) | 2021-11-24 |
EP4368992A2 (en) | 2024-05-15 |
CA2992480A1 (en) | 2017-01-26 |
AU2016297513B2 (en) | 2021-02-25 |
JP2022020721A (ja) | 2022-02-01 |
US10501777B2 (en) | 2019-12-10 |
AU2021203155A1 (en) | 2021-06-10 |
EP3325649A1 (en) | 2018-05-30 |
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