JP5192631B2 - 生物学的試料を収集し安定化させるための方法および装置 - Google Patents
生物学的試料を収集し安定化させるための方法および装置 Download PDFInfo
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- ZRALSGWEFCBTJO-UHFFFAOYSA-O guanidinium Chemical compound NC(N)=[NH2+] ZRALSGWEFCBTJO-UHFFFAOYSA-O 0.000 description 1
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- AGPKZVBTJJNPAG-UHFFFAOYSA-N isoleucine Natural products CCC(C)C(N)C(O)=O AGPKZVBTJJNPAG-UHFFFAOYSA-N 0.000 description 1
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
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- 150000002891 organic anions Chemical group 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 1
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Images
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- 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
- G01N33/96—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood or serum control standard
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- C—CHEMISTRY; METALLURGY
- 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
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6806—Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/10—Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing
- Y10T436/108331—Preservative, buffer, anticoagulant or diluent
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/2525—Stabilizing or preserving
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Description
この例では、血液と安定化剤の比、ならびに安定化剤の濃度の影響を実証する。
125mM酒石酸
試料 pH 保管期間(時間) 収量(μg)
1 3.3 24 8.4
2 3.3 24 7.6
3 3.5 24 9.5
4 3.5 24 9.8
5 3.7 24 13.3
6 3.7 24 17.2
7 3.3 72 7.2
8 3.3 72 6.8
9 3.5 72 10.3
10 3.5 72 10.9
11 3.7 72 14.8
12 3.7 72 16.1
200mM酒石酸
試料 pH 保管期間(時間) 収量(μg)
13 3.3 24 5.9
14 3.3 24 7.4
15 3.5 24 10.6
16 3.5 24 10.9
17 3.7 24 17.2
18 3.7 24 18.5
19 3.3 72 5.1
20 3.3 72 5.3
21 3.5 72 7.2
22 3.5 72 7.1
23 3.7 72 13.3
24 3.7 72 16.6
この例は、室温で1時間、24時間、48時間、および72時間保管した、3人の異なるドナー由来の血液試料で実施したノーザンブロット分析の結果を示す。
この例では、本発明の収集装置によるRNAの安定化と、従来のEDTAの入ったチューブによるRNAの安定化とを比較する。
また、安定化された血液試料からゲノムDNAを単離することも可能であった。クエン酸ナトリウムを含む血液収集装置で血液2.5mlを引き込み、16×100mmポリエチレンチューブ内で、4%(w/v)テトラデシルトリメチルアンモニウムオキサレートおよび200mM酒石酸を含む安定化緩衝液6.9mlと混合した。試料は、それぞれ室温で24時間および72時間保管した。ゲノムDNAを単離するために、チューブを5000×gで10分間遠心分離した。上清を廃棄し、ペレットを水で1回洗浄した。さらに5000×gで10分間遠心分離した後、ペレットを、EDTAと塩化ナトリウムを含む緩衝液300μl、および溶解緩衝液、すなわちAL緩衝液(QIAGEN GmbH)400μlに溶解させ、20μlのプロテイナーゼKを加えた。65℃で10分間のプロテイナーゼ消化の後、98%エタノール420μlを加えた。次いで、8000×gでの1分間の遠心分離によって、試料をシリカ膜を含むスピンカラムに適用した。スピンカラムを、グアニジニウムヒドロクロリドを含む洗浄緩衝液様の緩衝液AW1(QIAGEN GmbH)で1回洗浄し、エタノールを含む緩衝液様の緩衝液AW2(QIAGEN GmbH)で1回洗浄した。次いで、300μlのトリス緩衝液によってDNAをシリカ膜から溶出させた。
Claims (8)
- 生物学的試料を収集し安定化するための装置であって、該装置が
前記生物学的試料を受け入れるために寸法設定された内部チャンバを画定する容器であって、前記容器が開口端部と、前記開口端部を密閉するクロージャとを有し、前記容器に所定の体積の前記生物学的試料を引き込むための大気圧未満の内圧を有するもの、および、
前記生物学的試料中での生体外遺伝子誘導を阻止し、核酸の酵素分解に対して前記生物学的試料を安定化させるための、前記容器内に含まれる遺伝子誘導阻止剤
を含み、
前記遺伝子誘導阻止剤が、式YR1R2R3R4X(式中、Yは、窒素であり、R1、R2、R3、およびR4は、分岐アルキル、非分岐アルキル、C6〜C20アリール、およびC6〜C26アラルキルから成る群から独立して選択され、Xは、陰イオンである。)の陽イオン性化合物を含み、かつ
前記遺伝子誘導阻止剤は、前記試料中の核酸を安定化させる、少なくとも1つのプロトン供与体であって、ヒドロキシジカルボン酸であるプロトン供与体をさらに含むことを特徴とする装置。 - 前記生物学的試料は、全血であり、前記容器は、前記遺伝子誘導阻止剤で予備充填され、血液試料を含むように寸法設定されていることを特徴とする請求項1に記載の装置。
- 前記分岐アルキルは、C3〜C20アルキルであり、前記非分岐アルキルは、C1〜C20アルキルであることを特徴とする請求項1に記載の装置。
- Xは、ホスフェート、サルフェート、ホルメート、アセテート、プロピオネート、オキサレート、マロネート、スクシネート、シトレート、ブロミド、およびクロリドから成る群から選択されることを特徴とする請求項1に記載の装置。
- 前記R1は、12、14、または16個の炭素原子を有するアルキルであり、R2、R3、およびR4は、メチルであることを特徴とする請求項1に記載の装置。
- 前記遺伝子誘導阻止剤は、前記生物学的試料中の細胞を溶解させるものであることを特徴とする請求項1に記載の装置。
- 前記遺伝子誘導阻止剤は、網状赤血球、バクテリア、赤血球、および白血球を溶解させることを特徴とする請求項6に記載の装置。
- 前記遺伝子誘導阻止剤は、前記生物学的試料中の核酸を保護し安定化させるものであることを特徴とする請求項1に記載の装置。
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US20080064108A1 (en) * | 1997-12-10 | 2008-03-13 | Tony Baker | Urine Preservation System |
DE10006662A1 (de) * | 2000-02-15 | 2001-08-23 | Antigen Produktions Gmbh | Gefäß zur Nukleinsäureanalytik |
US7482116B2 (en) | 2002-06-07 | 2009-01-27 | Dna Genotek Inc. | Compositions and methods for obtaining nucleic acids from sputum |
DK1816461T3 (da) | 2002-10-16 | 2020-04-14 | Streck Laboratories Inc | Fremgangsmåde og indretning til indsamling og sikring af celler til brug for analyse |
US7534621B2 (en) * | 2003-02-07 | 2009-05-19 | Canon Kabuhsiki Kashia | Method of producing probe medium and method of immobilizing probe using probe medium |
US20040248106A1 (en) * | 2003-06-06 | 2004-12-09 | Leonard Leslie A. | Clinical array assays that include a sample quality evaluation step and compositions for use in practicing the same |
WO2005031304A2 (en) * | 2003-09-22 | 2005-04-07 | Becton, Dickinson And Company | Quantification of analytes using internal standards |
US20080176209A1 (en) * | 2004-04-08 | 2008-07-24 | Biomatrica, Inc. | Integration of sample storage and sample management for life science |
CA2560513A1 (en) | 2004-04-08 | 2005-12-01 | Biomatrica, Inc. | Integration of sample storage and sample management for life science |
US20080146790A1 (en) * | 2004-08-18 | 2008-06-19 | Daniel Grolz | Additive, Method, and Article For Dna Collection, Stabilization, and Purification |
US7803523B2 (en) * | 2004-08-27 | 2010-09-28 | University Health Network | Whole blood preparation for cytometric analysis of cell signaling pathways |
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CN100386441C (zh) | 2008-05-07 |
CN1503910A (zh) | 2004-06-09 |
US20040048384A1 (en) | 2004-03-11 |
WO2002056030A3 (en) | 2003-08-28 |
CA2428864C (en) | 2011-04-12 |
EP1356302B1 (en) | 2008-01-23 |
CA2428864A1 (en) | 2002-07-18 |
EP1356302A2 (en) | 2003-10-29 |
DK1356302T3 (da) | 2008-06-02 |
WO2002056030A2 (en) | 2002-07-18 |
JP2004534731A (ja) | 2004-11-18 |
ATE384954T1 (de) | 2008-02-15 |
US6821789B2 (en) | 2004-11-23 |
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