JP7001674B2 - 細胞培養の組成または純度を定量し軟骨細胞または滑膜細胞の同一性を生体外で定量するためのマーカーと方法 - Google Patents
細胞培養の組成または純度を定量し軟骨細胞または滑膜細胞の同一性を生体外で定量するためのマーカーと方法 Download PDFInfo
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Description
a)細胞培養から細胞試料を取得すること、
b)上記細胞試料における少なくとも1つのマーカーの発現レベルを定量すること、そして
c)上記細胞培養の組成または純度を上記少なくとも1つのマーカーの上記発現レベルに基づいて定量することの、各段階を含む。
a)細胞培養から取得した細胞試料における少なくとも1つのマーカーの発現レベルを定量すること、そして
b)上記少なくとも1つのマーカーの上記発現レベルに基づいて上記細胞の同一性を定量すること、の各段階を含む。
以下に、本明細書で開示する技術の特徴を列挙する。
(項目1)
細胞培養の組成および純度を定量するためのマーカーの使用法であって、前記マーカーが、ACE、MMP1、POSTN、SYNPO、SULF1、ARHGEF28、IGF2BP1、BAIAP2L1、LIMCH1、SCIN、DCLK1、PPL、CRABP2、NES、XPNPEP2およびSLIT3からなる群から選択される少なくとも1つのマーカーであり、前記少なくとも1つのマーカーの発現レベルが定量されることを特徴とする、細胞培養の組成および純度を定量するためのマーカーの使用法。
(項目2)
前記少なくとも1つのマーカーの発現レベルが、前記細胞培養から取得した細胞試料について定量されることを特徴とする、項目1に記載の使用法。
(項目3)
前記細胞培養が軟骨細胞培養であることを特徴とする、項目1または項目2に記載の使用法。
(項目4)
前記細胞培養が、軟骨生検試料、好ましくは、軟骨/骨穿孔生検試料、より具体的には、それらの軟骨組織断片に由来する細胞を含むことを特徴とする、項目1から3のいずれか一項に記載の使用法。
(項目5)
前記生検試料が、関節、より具体的には膝関節からの生検試料であることを特徴とする、項目4に記載の使用法。
(項目6)
前記少なくとも1つのマーカーが、MMP1、POSTN、SYNPO、SULF1、ARHGEF28、IGF2BP1、BAIAP2L1、LIMCH1、SCINおよび前記記述されたマーカーの中の少なくとも2つの組み合わせからなる群から選択され、前記少なくとも1つのマーカーの発現レベルが画定された閾値レベルを超えることは、前記細胞培養が軟骨細胞を含むことを示すことを特徴とする、項目1から5のいずれか一項に記載の使用法。
(項目7)
前記閾値が、純粋な滑膜細胞培養中の前記少なくとも1つのマーカーの発現レベル以上であることを特徴とする、項目6に記載の使用法。
(項目8)
前記少なくとも1つのマーカーが、ACE、DCLK1、PPL、CRABP2、NES、XPNPEP2、SLIT3、および前記記述されたマーカーの中の少なくとも2つの組み合わせからなる群から選択され、前記少なくとも1つのマーカーの発現レベルが画定された閾値レベルを超えることは、前記細胞培養が滑膜細胞を含むことを示すことを特徴とする、項目1から7のいずれか一項に記載の使用法。
(項目9)
前記閾値が、純粋な軟骨細胞培養中の前記少なくとも1つのマーカーの発現レベル以上であることを特徴とする、項目11に記載の使用法。
(項目10)
前記少なくとも1つのマーカーが、ACEに対するMMP1の比または前記2つの逆比であることを特徴とする、項目1から9のいずれか一項に記載の使用法。
(項目11)
ACEに対するMMP1の比の値が画定された閾値を超えることは、前記細胞培養が滑膜細胞を含むことを示し、
前記閾値は、好ましくは、純粋な滑膜細胞培養におけるACEに対するMMP1の比の値以下であることを特徴とする、項目10に記載の使用法。
(項目12)
前記発現レベルはRNAの塩基、好ましくはmRNAの塩基またはタンパク質の塩基について定量されることを特徴とする、項目1から11のいずれか一項に記載の使用法。
(項目13)
細胞培養の前記組成または純度を定量する方法であって、
前記方法は、
a)細胞培養から細胞試料を取得すること、
b)前記細胞試料における少なくとも1つのマーカーの発現レベルを定量すること、
c)前記細胞培養の前記組成または純度を前記少なくとも1つのマーカーの前記発現レベルに基づいて定量すること
を含み、
前記少なくとも1つのマーカーが、MMP1、ACE、POSTN、SYNPO、SULF1、ARHGEF28、IGF2BP1、BAIAP2L1、LIMCH1、SCIN、DCLK1、PPL、CRABP2、NES、XPNPEP2、SLIT3および前記記述のマーカーの少なくとも2つの組み合わせからなる群から選択されることを特徴とする、方法。
(項目14)
前記細胞培養の前記組成または純度が、項目1から項目12のいずれか一項に記載のマーカーの手段、又は、項目13に記載の方法の手段によって定量されることを特徴とする、新規療法用の医薬品、より具体的には組織工学製品を製造するための細胞培養の使用法。
(項目15)
項目22または項目23に記載の方法を実行するためのキットの使用法であって、前記キットが、MMP1、ACE、POSTN、SYNPO、SULF1、ARHGEF28、IGF2BP1、BAIAP2L1、LIMCH1、SCIN、DCLK1、PPL、CRABP2、NES、XPNPEP2およびSLIT3からなる群から選択される少なくとも1つのマーカーを検出するための少なくとも1つの成分を含むことを特徴とする、使用法。
例示的な実施形態の詳細な説明
1.材料および方法
1.1 細胞培養、阻害剤処理および細胞溶解
1.2 質量分析法(MS)用の試料調製
1.3 質量分析法
1.4 データ処理方法
1.5 生命情報科学データの分析
1.6 上記2つのデータ集合の比較
1.7 遺伝子発現分析
2.結果
Claims (7)
- 細胞培養の組成および純度を定量するためのマーカーの使用法であって、前記マーカーが、MMP1/ACEまたはACE/MMP1であり、前記マーカーの発現レベルが定量され、前記細胞培養が、軟骨細胞の培養であることを特徴とする、細胞培養の組成および純度を定量するためのマーカーの使用法。
- 前記細胞培養が、軟骨生検試料、軟骨/骨穿孔生検試料、及び、それらの軟骨組織断片のうちの少なくとも一つに由来する細胞を含むことを特徴とする、請求項1に記載の使用法。
- 前記生検試料が、関節、及び、膝関節のうちの少なくとも一つからの生検試料であることを特徴とする、請求項2に記載の使用法。
- 前記マーカーは、MMP1/ACEであり、
前記マーカーの発現レベルが第1の閾値レベルを超えることは、前記細胞培養が軟骨細胞を含むことを示し、
前記第1の閾値レベルは、純粋な滑膜細胞の培養中の前記マーカーの発現レベル以上であることを特徴とする、請求項1から3のいずれか一項に記載の使用法。 - 前記マーカーは、ACE/MMP1であり、
前記マーカーの発現レベルが第2の閾値レベルを超えることは、前記細胞培養が滑膜細胞を含むことを示し、
前記第2の閾値レベルが、純粋な軟骨細胞の培養中の前記マーカーの発現レベル以上であることを特徴とする、請求項1から3のいずれか一項に記載の使用法。 - 前記発現レベルは、RNAの塩基、mRNAの塩基、または、タンパク質の塩基について定量されることを特徴とする、請求項1から5のいずれか一項に記載の使用法。
- 細胞培養の組成または純度を定量する方法であって、
前記方法は、
a)軟骨細胞の培養である細胞培養から細胞試料を取得すること、
b)前記細胞試料におけるマーカーの発現レベルを定量すること、
c)前記細胞培養の前記組成または純度を前記マーカーの前記発現レベルに基づいて定量すること
を含み、
前記マーカーが、MMP1/ACEまたはACE/MMP1である、方法。
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PCT/EP2017/068781 WO2018019839A1 (de) | 2016-07-26 | 2017-07-25 | Marker und verfahren zur beurteilung der zusammensetzung oder reinheit einer zellkultur sowie zur in vitro bestimmung der identität einer knorpelzelle oder einer synovialzelle |
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