JPH08501390A - 特殊細胞集団もしくは混合細胞集団および混合細胞集団を含有する溶液中の特異標的細胞の検出方法 - Google Patents
特殊細胞集団もしくは混合細胞集団および混合細胞集団を含有する溶液中の特異標的細胞の検出方法Info
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- JPH08501390A JPH08501390A JP6507991A JP50799194A JPH08501390A JP H08501390 A JPH08501390 A JP H08501390A JP 6507991 A JP6507991 A JP 6507991A JP 50799194 A JP50799194 A JP 50799194A JP H08501390 A JPH08501390 A JP H08501390A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 混合細胞集団の細胞懸濁液および混合細胞集団を含有する流体系、ならび に充実性組織から調製した単個細胞懸濁液の中の特異標的細胞を検出する方法で あって、以下のステップ: 1.1. a)細胞混合物中で標的細胞上に特異的に発現されるが非標的細胞上では 発現されない膜構造物に対する抗体類もしくは抗体フラグメント類またはb)膜構 造物に対する前記抗体類のFc部分に結合し得る抗体類、好ましくはポリクローナ ル抗マウス抗体もしくはモノクローナルラット抗マウス抗体もしくは抗ヒト抗体 で、それ自体公知の方法により、常磁性の粒子もしくはビーズをコートし、次い で 1.2.1. 前記粒子もしくはビーズに結合されているか、または標的関連抗体の FC部分を認識する抗マウス抗体もしくは抗ヒト抗体で予めコートしたビーズに結 合されている標的細胞関連抗体(マウスまたはヒト)を、標的細胞を含有する細 胞懸濁液と混合するか、または 1.2.2. 遊離した標的細胞関連抗体を、標的細胞を含有する細胞懸濁液と混合 し、この混合物を5〜10分間乃至2時間好ましくは30分間、0℃〜20℃の温度好 ましくは4℃でゆるやかに回転しながらインキュベートし、次に 1.3. 細胞懸濁液、および常磁性粒子もしくはビーズ(1.2.1.)または標的関連 抗体のFc部分を認識する抗マウス抗体もしくは抗ヒト抗体で予めコートされた常 磁性粒子もしくはビーズに結合されたかインキュベートされた遊離標的関連抗体 と細胞懸濁液との混合物(1.2.2.)に結合された遊離標的関連抗体の混合物をイン キュベートし、次いで0℃〜25℃好ましくは4℃の温度で5〜10分間乃至2 時間好ましくは30分間ゆるやかに回転しながらインキュベートし、および 1.4.1. 標的細胞集団が血液もしくは骨髄の吸引液中に含有されている場合は 、抗体でコートされた粒子と細胞懸濁液を、適切な濃度の緩和な界面活性剤例え ば0.1%未満の濃度のTween20とともに4℃にて30分間予めインキュベートするこ とによって、抗体でコートされた粒子に関係する疎水力を低減し、および/また は 1.4.2. ホルマリン、アルコールまたは他の固定液で処理しないかまたは前処 理された細胞懸濁液を、標的細胞中に存在する細胞外もしくは細胞内の分子に結 合する他の抗体もしくは抗体フラグメントとともにインキュベートすることによ って、そして使用される抗体は、関連基質を添加しインキュベートすることによ り、その結合を目視可能にできるペルオキシダーゼ、アルカリホスファターゼま たはその他の酵素で予め標識を付けるか、または 1.4.3. 抗体フラグメントはビオチニル化され、その結合は、ペルオキシダー ゼ、アルカリホスファターゼまたは他の酵素と複合させたアビジンを添加しイン キュベートし、関連基質を添加しインキュベートすることによって目視可能にな り、または 1.5.1. 標的細胞の密度が低いかまたは細胞混合物中の標的細胞/全細胞の比 率が低い(≦1%)場合は、インキュベートされた常磁性粒子−細胞混合物(1.3 .)に磁場をかけ、次いで顕微鏡および/または適切な細胞/粒子計数装置を用い て、細胞懸濁液中のステインされたかまたは未ステインの粒子−標的細胞複合体 を検査して計数し、または 1.5.2. 常磁性粒子、抗体および細胞混合物のインキュベートされた混合物(1 .3.)中の標的細胞を試験して計数し、抗体もしくは抗体フラグメントが、色のた めに直接目視可能になるかもしくは酵素 の活性化で目視可能になる非常時磁性粒子に接合されている場合、細胞懸濁液中 の標的細胞/全細胞の比率が適切である(>1%)とき、顕微鏡および/または 適切な細胞/粒子計数装置を用いる、 を有することを特徴とする改良方法。 2. 正常な生存細胞、例えば肝実質細胞、クッペル細胞、肺臓の内皮細胞タイ プ1と2およびクララ細胞、特定の臓器の内皮細胞、膵臓の外分泌細胞と内分泌 細胞、腎臓の細管細胞、膀胱の上皮細胞、脳のグリア細胞と上衣細胞、膀胱と前 立腺の上皮細胞、気道の線毛細胞、胃腸管の粘膜細胞の異なる分集団、下垂体細 胞、および各種のホルモン産生器官の他の内分泌細胞の中の抗原に対する抗体ま たはそのフラグメントを用いることを特徴とする請求項1記載の方法。 3. 正常細胞の分集団上に存在する抗原および正常組織細胞の膜上で発現され る腫瘍遺伝子産物に対して反応性の抗体を、前記標的細胞抗体として使用するこ とを特徴とする前述の請求項の何れか1つに記載の方法。 4. 正常細胞の膜上の成長因子受容体類、例えばEGF受容体、PDGF(Aおよび B)受容体、インシュリン受容体、インシュリン様受容体、トランスファリン受 容体、NGFとFGFの受容体に対する抗体を、前記の積極的に選択する抗体として使 用することを特徴とする前述の請求項の何れか1つに記載の方法。 5. インテグリン類と、他の接着性膜分子の群、および正常細胞中のMDRタン パク質類に対する抗体を用いることを特徴とする前述の請求項の何れか1つに記 載の方法。 6. 異常な発育パターンを有する細胞、好ましくは例えば原発および転移の癌 細胞の中の抗原もしくは受容体に対する抗体もしくはそのフラグメントを用いる ことを特徴とする前述の請求項の何れか1つに記載の方法。 7. IgGのイソタイプ、またはF(ab′)2もしくはF(ab)のフラグメント、ま たはIgMもしくはそのフラグメントの抗体を、前記標的細胞関連抗体として用い ることを特徴とする前述の請求項の何れか1つに記載の方法。 8. 哺乳動物の組織例えばヒトの骨髄と末梢血液を含む混合細胞集団から、胸 水と腹腔水および他の体液例えば尿、脳脊髄液、精液、リンパ液から、または正 常な組織と臓器例えば肝臓、リンパ節、脾臓、肺臓、膵臓、骨組織、中枢神経系 、前立腺、皮膚および粘膜から前記細胞懸濁液を調製することを特徴とする前述 の請求項の何れか1つに記載の方法。 9. 抗体もしくは抗体フラグメントが、抗原決定基の群、例えば明細書の表1 に列挙されたものに対する抗体もしくは抗体フラグメントであることを特徴とす る前述の請求項の何れか1つに記載の方法。 10. 悪性細胞の膜上に発現される成長因子受容体と腫瘍遺伝子産物、例えば 明細書の表1に列挙されているものに加えてインシュリン受容体、インシュリン 様受容体およびFGF受容体に対する抗体もしくは抗体フラグメントを、前記標的 細胞の抗体として用いることを特徴とする前述の請求項の何れか1つに記載の方 法。 11. インテグリン類と他の接着性膜分子の群および表1に列挙されている異 常細胞中のMDRタンパク質に対する抗体もしくは抗体フラグメントを用いること を特徴とする前述の請求項の何れか1つに記載の方法。 12. 用いられる抗体、抗体フラグメントまたはそれらの混合物が、明細書の 表1に列挙されている抗原決定基に該当することを特徴とする前述の請求項の何 れか1つに記載の方法。 13. 異常細胞、例えば乳癌、卵巣癌および肺癌の細胞、黒色腫、 肉腫、グリア芽細胞腫、胃腸管と尿生殖器官および網内系の癌細胞、および/ま たは非新生物疾患、例えば心臓血管障害、神経障害、肺障害、自己免疫障害、胃 腸障害、尿生殖器障害、網内系障害などの障害に関連する標的細胞上に存在する 抗原と反応性の抗体を、前記抗体として用いることを特徴とする前述の請求項の 何れか1つに記載の方法。 14. 標的細胞を分離するのに用いる、前述の請求項の何れか1つに記載の検 出方法の用途であって、細胞と常磁性粒子との複合体を磁場に暴露し、磁気で凝 集させて得た細胞をさらに、ポリメラーゼ連鎖反応(PCR)と逆転写酵素PCRとを含 めて特定の遺伝子のDNA、mRNAおよびタンパク質のレベルでの特性決定を含む生 物学的、生化学的および免疫学的試験に付す用途。 15. 前述の請求項の何れか1つに記載の、特定の標的細胞の検出方法の用途 であって、分離された常磁性粒子−標的細胞複合体から生体外細胞培養物を樹立 するのに用いおよび/または好ましくは免疫不全動物に接種して前記動物内にヒ トの腫瘍異種移植片を樹立する用途。 16. 1.所望の標的細胞上の抗原受容体に対する特異的抗体もしくは抗体フラ グメントであって、その抗原結合性能を除かずに、含有されている常磁性粒子に 結合されるかもしくは結合されうる抗体もしくは抗体フラグメント、および/ま たは 2.標的細胞関連抗体および特異的遊離標的細胞抗体のFc部分に結合できる、特 異的な抗Fc抗体類、好ましくはポリクローナル抗マウス抗体またはモノクローナ ルラット抗マウス抗体または抗ヒト抗体で予めコートされた常磁性粒子、および /または 3.特異的抗標的細胞抗体に結合された標的細胞関連抗体のFc部分に結合できる 、特異的抗Fc抗体類、好ましくはポリクローナル抗マ ウス抗体もしくはモノクローナルラット抗マウス抗体もしくは抗ヒト抗体で予め コートされた常磁性粒子、および/または 4. 所望の標的細胞内もしくは該細胞上の抗原/受容体に対する他の特異的抗 体または抗体フラグメントであって、ビオチン、ペルオキシダーゼ、アルカリホ スファターゼまたは他の酵素に接合されているかまたは特定の色を有しているか またはペルオキシダーゼおよびアルカリホスファターゼのような酵素が結合して いる非常磁性粒子に結合されている抗体または抗体フラグメント、 を有することを特徴とする前述の請求項の何れか1つに記載の方法を実施する ためのキット。
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JP2011506935A (ja) * | 2007-12-05 | 2011-03-03 | ザイオミックス インコーポレイテッド | 細胞アッセイキット及び方法 |
WO2012029837A1 (ja) * | 2010-08-31 | 2012-03-08 | 協和メデックス株式会社 | 線維芽細胞増殖因子-23の測定方法及び測定試薬 |
JPWO2012029837A1 (ja) * | 2010-08-31 | 2013-10-31 | 協和メデックス株式会社 | 線維芽細胞増殖因子−23の測定方法及び測定試薬 |
KR20130137618A (ko) * | 2010-08-31 | 2013-12-17 | 교와 메덱스 가부시키가이샤 | 섬유아세포 증식 인자-23 의 측정 방법 및 측정 시약 |
JP5865838B2 (ja) * | 2010-08-31 | 2016-02-17 | 協和メデックス株式会社 | 線維芽細胞増殖因子−23の測定方法及び測定試薬 |
US10422796B2 (en) | 2010-08-31 | 2019-09-24 | Kyowa Medex Co., Ltd. | Method for measuring fibroblast growth factor-23 and reagent therefor |
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Also Published As
Publication number | Publication date |
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DE69326956D1 (de) | 1999-12-09 |
SK32995A3 (en) | 1995-10-11 |
US6184043B1 (en) | 2001-02-06 |
WO1994007139A1 (en) | 1994-03-31 |
JP3417563B2 (ja) | 2003-06-16 |
US6893881B1 (en) | 2005-05-17 |
DK0660930T3 (da) | 2000-05-08 |
CZ65995A3 (en) | 1995-11-15 |
AU2593192A (en) | 1994-04-12 |
AU686569B2 (en) | 1998-02-12 |
DE69326956T2 (de) | 2000-06-15 |
HUT73741A (en) | 1996-09-30 |
FI951161A (fi) | 1995-05-09 |
EP0660930B1 (en) | 1999-11-03 |
HU9500723D0 (en) | 1995-04-28 |
SK281566B6 (sk) | 2001-05-10 |
FI951161A0 (fi) | 1995-03-13 |
WO1994007138A1 (en) | 1994-03-31 |
CA2144328A1 (en) | 1994-03-31 |
ES2141170T3 (es) | 2000-03-16 |
GR3032547T3 (en) | 2000-05-31 |
HU221234B1 (en) | 2002-08-28 |
USRE43979E1 (en) | 2013-02-05 |
ATE186402T1 (de) | 1999-11-15 |
PT660930E (pt) | 2000-04-28 |
PL177136B1 (pl) | 1999-09-30 |
EP0660930A1 (en) | 1995-07-05 |
AU4836393A (en) | 1994-04-12 |
CA2144328C (en) | 2010-11-30 |
PL308109A1 (en) | 1995-07-24 |
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