JP6240065B2 - 低密度リポ蛋白以外のリポ蛋白中のトリグリセリドの消去方法 - Google Patents
低密度リポ蛋白以外のリポ蛋白中のトリグリセリドの消去方法 Download PDFInfo
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- JP6240065B2 JP6240065B2 JP2014511262A JP2014511262A JP6240065B2 JP 6240065 B2 JP6240065 B2 JP 6240065B2 JP 2014511262 A JP2014511262 A JP 2014511262A JP 2014511262 A JP2014511262 A JP 2014511262A JP 6240065 B2 JP6240065 B2 JP 6240065B2
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- surfactant
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
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- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
- C12Q1/44—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving esterase
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/48—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase
- C12Q1/485—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase involving kinase
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/61—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving triglycerides
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- 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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- G—PHYSICS
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- Pathology (AREA)
- Endocrinology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬A)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*1 2.0g/L
ウシ血清アルブミン 3.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 4.0g/L
グリセロールキナーゼ 3.0KU/L
グリセロール3リン酸オキシダーゼ 7.5KU/L
リポプロテインリパーゼ 100KU/L
カタラーゼ 1000KU/L
*1: ポリオキシアルキレン誘導体(HLB値13.2)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*2 6.0 g/L
4−アミノアンチピリン 4.0mmol/L
リポプロテインリパーゼ 5.0KU/L
ペルオキシダーゼ 5.0KU/L
アジ化ナトリウム 0.05%
*2: ポリオキシエチレンアルキルエーテル(HLB値13.3)
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬B)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*3 2.0g/L
ウシ血清アルブミン 3.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 4.0g/L
グリセロールキナーゼ 2.0KU/L
グリセロール3リン酸オキシダーゼ 7.5KU/L
リポプロテインリパーゼ 100KU/L
コレステロールエステラーゼ#1 0.6KU/L
カタラーゼ 1000KU/L
*3: ポリオキシアルキレン誘導体(HLB値13.2)
#1: 約30kDa(Peudomonas sp.由来)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*4 6.0 g/L
4−アミノアンチピリン 4.0mmol/L
リポプロテインリパーゼ 5.0KU/L
ペルオキシダーゼ 5.0KU/L
アジ化ナトリウム 0.05%
*4: ポリオキシエチレンアルキルエーテル(HLB値13.3)
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬C)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*5 2.0g/L
ウシ血清アルブミン 3.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 4.0g/L
グリセロールキナーゼ 1.0KU/L
グリセロール3リン酸オキシダーゼ 4.0KU/L
リポプロテインリパーゼ 0.3KU/L
コレステロールエステラーゼ#2 0.7KU/L
カタラーゼ 1000KU/L
*5: ポリオキシアルキレン誘導体(HLB値13.2)
#2: 約30kDa(Peudomonas sp.由来)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*6 6.0g/L
4−アミノアンチピリン 4.0mmol/L
リポプロテインリパーゼ 400KU/L
ペルオキシダーゼ 5.0KU/L
アジ化ナトリウム 0.05%
*6: ポリオキシエチレンアルキルエーテル(HLB値12.4)
評価に用いる試料としては、たとえば超遠心法を用いて、CM、VLDLを一括して回収した分画(比重0.96未満〜1.006)、もしくはCM、VLDL、IDLを一括して回収した分画(比重0.96未満〜1.019)、LDL分画(比重1.019〜1.063)、HDL分画(比重1.063〜1.210)、を分取し、試料とする。これら分画試料それぞれの総トリグリセリド量を測定し、上記実施例試薬を用いて定量したトリグリセリド量と比較した。なお、超遠心法は「新生化学実験法講座4 脂質I 中性脂肪とリポタンパク質」、(株)東京化学同人出版に記載されている方法に従い実施した。
(1)超遠心法によるLDL−TGの定量測定
超遠心法は、常法(「新生化学実験法講座4 脂質I 中性脂肪とリポタンパク質」、(株)東京化学同人出版に記載されている方法)に従い、比重1.019〜1.063のLDL分画を遠心分離し、得られたLDL分画中のトリグリセリド量を、TG−EX「生研」(酵素法)(デンカ生研社製)を用いて測定した。
ヒト血清を検体として、上記比較例1と同様の組成からなる、試薬Aおよび試薬aの組み合わせの試薬を用いて、以下のように操作した。
検体を2μL採取し、第一試薬195μLと混和、37℃で5分間加温して反応を行い、反応5分後の反応液の吸光度(E1)を主波長600nm、副波長700nmで測定した。次いでこの反応液に第二試薬65μLを混和し、更に37℃で5分間加温して反応を行い、反応5分後の反応液の吸光度(E2)を主波長600nm、副波長700nmで測定した。これら測定した吸光度のE2からE1を差し引くことで吸光度変化量(ΔE)を算出した。このとき、検体がヒト血清であった場合の吸光度変化量から、検体がヒト血清の代わりとして生理食塩水等であった場合の吸光度変化量を差し引くことで、本実施例の試薬を用いたヒト血清試料における反応吸光度を算出した。
超遠心法による測定により、LDL−TG濃度が判明している新鮮ヒト血清数検体を標準品として検量線を作成し、(2)で算出した反応吸光度をmg/dL測定値に換算した。
ヒト血清−01からヒト血清−14を検体として、上記実施例1と同様の組成からなる、試薬Bおよび試薬aの組み合わせの試薬を用いて、上述(2)(3)に記載したものと同様の操作を行った。
ヒト血清−01からヒト血清−14を検体として、上記実施例2と同様の組成からなる、試薬Cおよび試薬bの組み合わせの試薬を用いて、上述(2)(3)に記載したものと同様の操作を行った。
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬D)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*7 2.5g/L
ウシ血清アルブミン 3.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 4.0g/L
グリセロールキナーゼ 1.0KU/L
グリセロール3リン酸オキシダーゼ 4.0KU/L
リポプロテインリパーゼ 100KU/L
コレステロールエステラーゼ#3 6.0KU/L
カタラーゼ 1000KU/L
*7: ポリオキシアルキレン誘導体(HLB値13.2)
#3: 分子量不明(Microbial由来.メーカー公称)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*8 6.0 g/L
4−アミノアンチピリン 4.0mmol/L
リポプロテインリパーゼ 400KU/L
ペルオキシダーゼ 5.0KU/L
アジ化ナトリウム 0.05%
*8: ポリオキシエチレンアルキルエーテル(HLB値12.4)
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬A)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*9 2.0g/L
ウシ血清アルブミン 3.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 4.0g/L
グリセロールキナーゼ 3.0KU/L
グリセロール3リン酸オキシダーゼ 7.5KU/L
リポプロテインリパーゼ 100KU/L
カタラーゼ 1000KU/L
*9: ポリオキシアルキレン誘導体(HLB値13.2)
第二試薬(試薬d)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*10 6.0g/L
4−アミノアンチピリン 4.0mmol/L
ペルオキシダーゼ 10.0KU/L
アジ化ナトリウム 0.05%
*10: ポリオキシエチレンアルキルエーテル(HLB値13.3)
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬F)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*11 2.0g/L
ウシ血清アルブミン 10.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 1.5g/L
グリセロールキナーゼ 1.0KU/L
グリセロール3リン酸オキシダーゼ 4.0KU/L
リポプロテインリパーゼ 100KU/L
コレステロールエステラーゼ#4 0.7KU/L
カタラーゼ 1000KU/L
*11: ポリオキシアルキレン誘導体(HLB値13.2)
#4: 約30kDa(Peudomonas sp.由来)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*12 6.0g/L
4−アミノアンチピリン 4.0mmol/L
ペルオキシダーゼ 10.0KU/L
アジ化ナトリウム 0.05%
*12: ポリオキシエチレンアルキルエーテル(HLB値13.3)
以下の組成からなるLDL−TG定量試薬を調製した。
第一試薬(試薬G)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*13 1.5g/L
ウシ血清アルブミン 10.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 1.5g/L
グリセロールキナーゼ 1.0KU/L
グリセロール3リン酸オキシダーゼ 4.0KU/L
リポプロテインリパーゼ 100KU/L
コレステロールエステラーゼ#5 1.5KU/L
カタラーゼ 1000KU/L
*13: ポリオキシアルキレン誘導体(HLB値13.2)
#5: 約300kDa(Peudomonas sp.由来.メーカー公称)(SDS−PAGEにて約60kDa、約30kDaのバンドを確認)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*14 6.0g/L
4−アミノアンチピリン 4.0mmol/L
ペルオキシダーゼ 10.0KU/L
アジ化ナトリウム 0.05%
*14: ポリオキシエチレンアルキルエーテル(HLB値13.3)
実施例10
第一試薬(試薬H)
PIPES緩衝液(pH6.5) 50mmol/L
界面活性剤*15 1.5g/L
ウシ血清アルブミン 10.0g/L
トリンダー試薬(TOOS) 0.5g/L
塩化マグネシウム 1.5g/L
グリセロールキナーゼ 1.0KU/L
グリセロール3リン酸オキシダーゼ 4.0KU/L
リポプロテインリパーゼ 100KU/L
コレステロールエステラーゼ#6 1.5KU/L
カタラーゼ 1000KU/L
*15: ポリオキシアルキレン誘導体(HLB値13.2)
#6: 分子量不明(Microorganism由来.メーカー公称)(SDS−PAGEにて約70kDa、約30kDaのバンドを確認)
PIPES緩衝液(pH7.0) 50mmol/L
界面活性剤*16 6.0g/L
4−アミノアンチピリン 4.0mmol/L
ペルオキシダーゼ 10.0KU/L
アジ化ナトリウム 0.05%
*16: ポリオキシエチレンアルキルエーテル(HLB値13.3)
Claims (2)
- 低密度リポ蛋白以外のリポ蛋白に作用する界面活性剤又はLDLの保護作用を有する界面活性剤の存在下で、試料に、リポプロテインリパーゼ、コレステロールエステラーゼ、グリセロールキナーゼおよびグリセロール3リン酸オキシダーゼを作用させ、生じた過酸化水素を消去することを含む、低密度リポ蛋白以外のリポ蛋白中のトリグリセリドの消去方法であって、前記界面活性剤は、HLB値が13以上15以下であるポリオキシアルキレン誘導体である、方法。
- 前記ポリオキシアルキレン誘導体は、HLB値が13以上15以下のポリオキシアルキレン多環フェニルエーテルである請求項1記載の方法。
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