JP2006522736A - アシアロα1−酸性糖タンパクに対するモノクロナール抗体、モノクロナール抗体からなる免疫クロマトグラフィ用帯状片及びこの免疫クロマトグラフィ用帯状片を用いる肝疾患診断法 - Google Patents
アシアロα1−酸性糖タンパクに対するモノクロナール抗体、モノクロナール抗体からなる免疫クロマトグラフィ用帯状片及びこの免疫クロマトグラフィ用帯状片を用いる肝疾患診断法 Download PDFInfo
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- G01N33/6893—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
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Abstract
Description
1976、ジメチルスルフォキサイドによるポリエチレングルコール媒介体細胞融合の増
進(Dimethyl sulfoxide enhances polyethylene glycol-mediated somatic cell fusion)、ソマティック セル ジェネティック(Somatic cell Genet.)2巻、263−270頁。正確には(1)アシアロα1酸性糖タンパクを分離し(2)マウスを免疫する事からなる方法で作成する。
ブリドーマ細胞系列を提供する。
実施例
実施例1 アシアロα1−酸性糖タンパク(AsAGP)の分離と精製
実施例2 アシアロα1―酸性糖タンパクに対するモノクロナール抗体の作成
(1)マウスの免疫
(2)細胞融合
間に加え、ゆっくり攪拌しながら最終体積を50mlとした。細胞懸濁液を遠心分離にかけ細胞ペレットを収集し、再度HAT媒地を用いて1−2x105細胞/mlに懸濁し、96個の凹部付きマイクロプレートに凹部当たり0.2mlずつ注ぎ、炭酸ガス培養器中37℃で培養した。
(3)モノクロナール抗体作成用ハイブリドーマ細胞の選別
(4)モノクロナールクローン抗体の大規模作成と精製
を採取した。腹水を12,000rpmで遠心分離して細胞を集め、生成上澄み液を蛋白質Gカラムにより濾過し、アシアロα―1酸性糖タンパクに対するモノクロナール抗体を分離精製し、次の実験のためにー20℃で保存した。
(5)ウエスタンブロット法によるモノクロナール抗体特異性の同定
(6)酵素免疫化学的測定法によるモノクロナール抗体特異性の同定
実施例3 免疫クロマトグラフィ用診断キットによる肝疾患の検出
(1)免疫クロマトグラフィ用診断キットの作成
からなる。
A.マイクロプレートの様な固体担体上に固定したアシアロα1−酸性糖タンパク用モノクロナール抗体(As16.89)
B.アシアロα1−酸性糖タンパクに対するレクチン(RCA)―西洋わさびペルオキシダーゼ(HPR)
C.試料希釈用緩衝液(1%BSA/PBST)
D.酵素基質溶液(OPD)
E.洗浄用緩衝液(PBST)
F.アシアロα1−酸性糖タンパク標準溶液
G.停止用緩衝液
(2)測定
b.反応後洗浄緩衝液を凹部一個当たり100μl加え、三回繰り返し洗浄した。
c.この作成工程により希釈したレクチン(RCA)―HRPをマイクロプレートの各凹部に割り当て、室温で60分間反応した。
d.ステップbを繰り返した。
e.酵素基質溶液(OPD)を上記マイクロプレートの各凹部に100μlずつ割り当てた。
f.停止用緩衝液を100μlずつ各凹部に加えて酵素反応を停止した。
g.酵素結合免疫測定読み取り機により490nmでのOD値を測定した。
血液AsAGPの測定
(限界値:1.50μg/ml)
従って正常者と非肝疾患患者のアシアロα1−酸性糖タンパク(AsAGP)濃度は平均レベルで1.00μg/ml以下であり、AsAGP濃度が1.50μg/mlを越える試料数は約10%であることを確認した。急性肝炎、慢性肝炎、肝硬変及び肝硬変肝臓癌の患者グループではAsAGPの血液レベルはそれぞれ平均1.33μg/ml、1.63μg/ml、3.12μg/ml及び3.64μg/mlと評価された。AsAGPが1.5μg/mlを越す試料割合がそれぞれ25%、36%、72%及び82%ではあるが、この濃度は標準グループの濃度と明白に区別できる。それ故この試験は肝疾患診断に有効である事が立証された。
実施例4 免疫クロマトグラフィ用診断帯状片の作成
(1)モノクロナール抗体―金接合体の作成
(2)試料パッド
(3)ガラス繊維(GF)膜
(4)ニトロセルロース(NC)膜と線引き
(5)吸着剤パッド
(6)免疫クロマトグラフィ用診断帯状片の作成
実施例5
免疫クロマトグラフィ用診断帯状片を用いるアシアロα1−糖タンパク分析
び診断装置は肝疾患の重症度、治療及び予後を有効に監視できる。
Claims (20)
- アシアロα1−酸性糖タンパクとのみ反応し且つハプトグロビン及びα2−マクログロブリンを除外するモノクロナール抗体。
- サブクラス免疫グロブリンG1型である請求項1によるモノクロナール抗体。
- アシアロα1−酸性糖タンパクとのみ反応し且つハプトグロビン及びα2−マクログロブリンを除外するモノクロナール抗体の大規模作成細胞系列。
- 免疫マウスから抽出した脾臓細胞及び骨髄腫細胞をアシアロα1−酸性糖タンパクと融合して作成する請求項3による細胞系列。
- アシアロα1−酸性糖タンパクに特異なサブクラス免疫グロブリンG1型モノクロナール抗体を作成し、且つブタペスト条約に基づき2004年5月24日に韓国生物科学生物工学研究所(Korea Research Institute of Bioscience and Biotechnology)の遺伝子銀行に寄託した(受付け番号KCTC10349BP)請求項4による細胞系列。
- アシアロα1−酸性糖タンパクとのみ反応し且つハプトグロビン及びα2−マクログロブリンを除外するモノクロナール抗体及び試験試料と反応してアシアロα1−酸性糖タンパク(AsAGP)量を測定するアシアロ糖タンパク認識可能なRCAレクチン(トウゴマレクチン)による肝疾患診断法。
- モノクロナール抗体が受付け託番号KCTC10261BPの寄託マウス細胞から生成したサブクラス免疫グロブリンG1である請求項6による肝疾患診断法。
- 試験試料が血液又は血清である請求項6による肝疾患診断法。
- ハプトグロビン及びα2−マクログロブリンを除くアシアロα1−酸性糖タンパクとのみ反応するモノクロナール抗体、レクチンとしてアシアロ糖タンパクを認識するRCAレクチン及びアシアロα1―酸性糖タンパクが1.50μg/ml以上の試験試料と反応して肝疾患を検出することからなる免疫クロマトグラフィ用診断帯状片。
- モノクロナール抗体が受付け番号KCTC10261BPの預託したAs
16.89である請求項9による免疫クロマトグラフィ用診断帯状片。 - モノクロナール抗体がコロイド型金粒子のような微粒子と接合した請求項9による免疫クロマトグラフィ用診断帯状片。
- (1)モノクロナール抗体と接合した微粒子塗布ガラス繊維(GF)、(2)糖タンパク検出用標準ラインと診断用ラインを含むニトロセルロース膜(NC)、(3)試験試料用試料パッド、(4)未反応物用吸収剤パッド及び(5)上記部材取り付け用接着性プラスチック裏打ちからなる請求項11による免疫クロマトグラフィ用診断帯状片。
- NC膜、GF膜、試料パッド及び吸収剤パッドがこの順に部分的にこの接着性プラスチック裏打ちを覆い毛管反応で物質を移動しかつRCAバンドを診断用ラインとして抗体バンドを標準ラインとしてある間隔で分離する請求項12による免疫クロマトグラフィ用診断帯状片。
- この試験試料が溶出緩衝液を用いて10倍に希釈した血液又は血清である請求項9による免疫クロマトグラフィ用診断帯状片。
- この溶出緩衝液が5%サッカロース、1%ウシ血清アルブミン又は1%トリトン含有50mMホウ酸塩緩衝液である請求項14による免疫クロマトグラフィ用診断帯状片。
- 標準ラインと診断用ラインがこの帯状片上で着色し肝疾患が陽性であることを示す請求項9による免疫クロマトグラフィ用診断帯状片。
- カセット型である請求項9による免疫クロマトグラフィ用診断帯状片。
- 棒形である請求項9による免疫クロマトグラフィ用診断帯状片。
- アシアロα1−酸性糖タンパクとのみ反応しハプトグロビン及びα2−マクログロブリンを除去するモノクロナール抗体、レクチンとしてアシアロ糖タンパクを認識するRCAレクチン(トウゴマレクチン)及びアシアロα1―酸性糖タンパクが1.50μg/ml以上の試験試料と反応して肝疾患を検出することからなる免疫クロマトグラフィ用診断帯状片。
- モノクロナール抗体が受付け番号KCTC10261BPの寄託したAs16.89である請求項19による免疫クロマトグラフィ用診断帯状片。
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KR10-2002-0084834A KR100499989B1 (ko) | 2002-12-27 | 2002-12-27 | 아사이알로 α1-산 당단백질에 대한 단일클론 항체, 이 항체를 포함하는 아사이알로 α1-산 당단백질에 대한 단일클론 항체, 이 항체를 포함하는 면역크로마토그래피 스트립 및 이 스트립를 이용한 아사이알로 α1-산 당단백질 측정방법 |
PCT/KR2003/002860 WO2004058823A1 (en) | 2002-12-27 | 2003-12-27 | Monoclonal antibody against asialo alpha 1-acid glycoprotein, immunochromatographic strip comprising the monoclonal antibody, and method for diagnosing liver diseases using the immunochromatographic strip |
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US (1) | US7575938B2 (ja) |
EP (1) | EP1576012A4 (ja) |
JP (1) | JP2006522736A (ja) |
KR (1) | KR100499989B1 (ja) |
CN (1) | CN100384876C (ja) |
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KR100724597B1 (ko) * | 2005-11-04 | 2007-06-04 | 한국생명공학연구원 | 간질환 진단용 면역스트립 판독기 |
CN101500608A (zh) | 2006-06-08 | 2009-08-05 | 中外制药株式会社 | 炎性疾病的预防或治疗药 |
KR100834932B1 (ko) * | 2006-11-28 | 2008-06-03 | 한국생명공학연구원 | 알파1산 당단백질과 아사이알로 알파1산 당단백질의 비율을 이용한 간질환 진단킷트 |
ES2834741T3 (es) | 2007-12-05 | 2021-06-18 | Chugai Pharmaceutical Co Ltd | Anticuerpo anti-NR10 y uso del mismo |
WO2010102285A1 (en) * | 2009-03-06 | 2010-09-10 | Morrow Ardythe L | Rapid lateral flow glycan-detecting device |
CN103102411A (zh) * | 2009-06-11 | 2013-05-15 | 北京华大蛋白质研发中心有限公司 | 一种制备针对糖基化修饰蛋白质的单克隆抗体杂交瘤的方法 |
CN101921336B (zh) * | 2009-06-11 | 2013-02-27 | 北京华大蛋白质研发中心有限公司 | 一种抗人α1酸性糖蛋白的单克隆抗体及其制备方法 |
CN104374919B (zh) * | 2009-07-14 | 2017-01-18 | 独立行政法人产业技术综合研究所 | 糖蛋白的测定方法、试剂及糖链标记物 |
KR101250464B1 (ko) * | 2010-05-06 | 2013-04-15 | 대한민국 | 혈장 내 pgcp 농도 측정을 통한 치매 진단 방법 |
CN103517918A (zh) | 2011-03-01 | 2014-01-15 | 诺沃—诺迪斯克有限公司 | 拮抗性dr3配体 |
BR112017022101A2 (ja) | 2015-04-14 | 2018-07-31 | Chugai Seiyaku Kabushiki Kaisha | An object for prevention and/or a medicine constituent for medical treatment of atopic dermatitis which contain IL-31 antagonist as an active ingredient |
CN105561294B (zh) * | 2015-05-07 | 2019-11-01 | 中国人民解放军第二军医大学 | α1-酸性糖蛋白在制备减肥药物中的应用 |
KR101863508B1 (ko) * | 2017-08-03 | 2018-06-01 | 주식회사 디아젠 | 알파-1산 당단백질에 대한 단일항체 agp501 및 rcaⅱ-hrp 접합체를 포함하는 간경변 또는 간암 특이적 진단용 키트 및 이의 용도 |
KR102269748B1 (ko) * | 2019-10-31 | 2021-06-29 | 주식회사 에이스바이오메드 | 간세포 손상 표지자 아시알로 알파-1산 당단백질 측정을 통한 진행성 만성간염 및 간섬유화 정도 추적 진단용 키트 및 이의 용도 |
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US4894442A (en) * | 1985-04-12 | 1990-01-16 | Kuraray Co., Ltd. | Monoclonal antibodies that bind to alpha-acid glycoprotein |
AU4963897A (en) * | 1996-11-18 | 1998-06-10 | Avraham Zer | Immunochromatography test strips |
KR100292182B1 (ko) * | 1997-09-18 | 2001-11-26 | 모리시타 요이찌 | 면역크로마토그라피장치 |
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EP1576012A4 (en) | 2006-05-31 |
EP1576012A1 (en) | 2005-09-21 |
KR20040058551A (ko) | 2004-07-05 |
CN100384876C (zh) | 2008-04-30 |
AU2003285814A1 (en) | 2004-07-22 |
US7575938B2 (en) | 2009-08-18 |
WO2004058823A1 (en) | 2004-07-15 |
US20060177876A1 (en) | 2006-08-10 |
KR100499989B1 (ko) | 2005-07-07 |
CN1732184A (zh) | 2006-02-08 |
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