JP2012518395A - 細胞株同定方法 - Google Patents
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Abstract
【選択図】 図1
Description
ハイピュアPCRテンプレートプレパレーションキット(High Pure PCR template Preparation Kit;ロッシュ)を使用して、ゲノムDNAを、CHO、MRC-5、MDCK、VERO、FRHL2、Hi-5、およびGallus(CFO)細胞から抽出した。プライマーであるCalm ex 3F(配列番号1)、Calm ex 4R(配列番号2)、Axl ex 18F(配列番号3)、Axl 19R(配列番号4)、ppatta F(配列番号5)、およびppatta R(配列番号6)を使用して、PCRを次に示す反応条件下で行った。
以下の実施例は、カルモジュリンのエクソン3とエクソン4の間およびAxlのエクソン18とエクソン19の間のイントロンのサイズの違いによって、ゲノムDNAを抽出した7つの異なる細胞株(1.1参照)が明確に同定できることを証明する。
MRC-5、FRHL-2、MDCK、およびニワトリ細胞から増幅されたPCR生成物のサイズは、予測されたサイズと非常に近かった。MDCK細胞には2つのピーク(277-bpと279-bp)が観察された。
AXL 18/19 PCRは、6種すべての脊椎動物のDNAを差別化することを可能にした。VERO細胞(1027-bpと1031bp)とCHO細胞(654-bp)から増幅された生成物のサイズは、明らかに異なった。
PPATTAプライマーを使用してT. niのDNAから増幅されたDNA断片のサイズは、244-bpと評価された。このサイズは、予測された235-bpと一致していた。
CALM3/4のPCR生成物とAXL18/19のPCR生成物との複合分析は、6つの脊椎動物の細胞株の明確な同定を可能とするサイズ・パターンを提供する。
以下の実施例の目的は、2つの異なる細胞タイプを含む混合物、つまり主な生物種が混合物の90%を占め、マイナーな生物種が10%を占める混合物について、上述のPCRアッセイの検出能力を評価することであった。
・生成物が同一のサイズまたは類似したサイズを示したので、CALM3/4 PCRを使用してCHO/VERO/FRHL2混合物を検出することはできなかった;
・FRHL-2に10%を占めるMDCKは、CALM3/4アッセイで検出できなかった;
・FRHL-2およびVEROに10%を占めるMRC5は、AXL18/19アッセイで検出できなかった。
Claims (18)
- 細胞株同定方法であって、次の工程:(a)カルモジュリン遺伝子の分析;(b)Axl受容体型チロシンキナーゼ遺伝子の分析;(c)アタシン(attacin)遺伝子の分析;またはそれらの組合せを1またはそれ以上含む、前記方法。
- カルモジュリン遺伝子は、配列番号7のポリペプチドをコードする核酸配列、あるいは配列番号7と70%、75%、80%、85%、90%、95%、96%、97%、98%または99%の配列同一性を有するアミノ酸配列をコードする核酸配列である、請求項1に記載の方法。
- Axl受容体型チロシンキナーゼ遺伝子は、配列番号8のポリペプチドをコードする核酸配列、あるいは配列番号8と70%、75%、80%、85%、90%、95%、96%、97%、98%または99%の配列同一性を有するアミノ酸配列を有するポリペプチドをコードする核酸配列である、請求項1または2に記載の方法。
- アタシン遺伝子は、配列番号9のポリペプチドをコードする核酸配列、あるいは配列番号9と70%、75%、80%、85%、90%、95%、96%、97%、98%または99%の配列同一性を有するアミノ酸配列を有するポリペプチドをコードする核酸配列である、請求項1〜3のいずれか1項に記載の方法。
- 分析方法が、ポリメラーゼ連鎖反応(PCR)増幅、シークエンシング、ハイブリダイゼーションまたは制限酵素断片長多型(RFLP)あるいはそれらのいずれかの組合せからなる群から選択される、請求項1〜4のいずれか1項に記載の方法。
- 細胞株は、1またはそれ以上の遺伝子内のイントロンのサイズ(ヌクレオチド数)によって同定される、請求項1〜5のいずれか1項に記載の方法。
- カルモジュリン遺伝子またはその断片が、PCRによって増幅される、請求項1〜6のいずれか1項に記載の方法。
- 増幅断片が、カルモジュリン遺伝子のエクソン3とエクソン4との間の配列またはその一部を含む、請求項7に記載の方法。
- Axl受容体型チロシンキナーゼ遺伝子またはその断片が、PCRによって増幅される、請求項1〜8のいずれか1項に記載の方法。
- 増幅断片が、Axl受容体型チロシンキナーゼ遺伝子のエクソン18とエクソン19との間の配列を含む、請求項9に記載の方法。
- 細胞株が、遺伝子の存在および/または不在によって決定される、請求項1〜10のいずれか1項に記載の方法。
- アタシン遺伝子またはその断片が、PCRによって増幅される、請求項11に記載の方法。
- アタシン遺伝子が、PPATTである、請求項12に記載の方法。
- PCR増幅が、多重である、請求項1〜13のいずれか1項に記載の方法。
- 同定される細胞株が、MRC-5、Vero、Hi-5、CHO、FRHL2、CEFおよびMDCKを含む群から選択される、請求項1〜14のいずれか1項に記載の方法。
- カルモジュリン遺伝子、Axl受容体型チロシンキナーゼ遺伝子またはアタシン遺伝子のいずれか1つ、あるいはそれらのいずれかの組合せと相補的なオリゴヌクレオチド、プライマー、および/またはプローブを含む、細胞株分類のためのキット。
- 配列番号1、配列番号2、配列番号3、配列番号4、配列番号5、または配列番号6、あるいはそれらの機能的誘導体のいずれか1つを含むプライマーを含むキット。
- 細胞株同定における、カルモジュリン遺伝子、Axl受容体型チロシンキナーゼ遺伝子、および/またはアタシン遺伝子、あるいはそれらのいずれかの組合せの使用。
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GB0903026.3 | 2009-02-23 | ||
GBGB0903026.3A GB0903026D0 (en) | 2009-02-23 | 2009-02-23 | Novel method |
PCT/EP2010/052117 WO2010094763A1 (en) | 2009-02-23 | 2010-02-19 | Method of cell-line identification |
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US (1) | US20120141988A1 (ja) |
EP (1) | EP2398914B1 (ja) |
JP (1) | JP5771533B2 (ja) |
CA (1) | CA2753235A1 (ja) |
ES (1) | ES2554835T3 (ja) |
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WO (1) | WO2010094763A1 (ja) |
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CN113166814A (zh) * | 2018-11-16 | 2021-07-23 | 阿雷斯贸易股份有限公司 | 物种鉴定的新方法 |
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JP2008504803A (ja) * | 2004-01-09 | 2008-02-21 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 遺伝子発現の細胞型特異的パターン |
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US20080113349A1 (en) * | 2006-11-03 | 2008-05-15 | Pranvera Ikonomi | Method for detecting the presence of mammalian organisms using specific cytochrome c oxidase I (COI) and/or cytochrome b subsequences by a PCR based assay |
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- 2010-02-19 EP EP10705853.9A patent/EP2398914B1/en not_active Not-in-force
- 2010-02-19 US US13/202,943 patent/US20120141988A1/en not_active Abandoned
- 2010-02-19 WO PCT/EP2010/052117 patent/WO2010094763A1/en active Application Filing
- 2010-02-19 CA CA2753235A patent/CA2753235A1/en not_active Abandoned
- 2010-02-19 ES ES10705853.9T patent/ES2554835T3/es active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008504803A (ja) * | 2004-01-09 | 2008-02-21 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 遺伝子発現の細胞型特異的パターン |
Non-Patent Citations (4)
Title |
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JPN6014008904; In Vitro Cell. Dev. Biol. Anim. (2003) vol.39, no.10, p.468-475 * |
JPN6014008906; In Vitro Cell. Dev. Biol. Anim. (2008) vol.44, no.7, p.224-227 * |
JPN6014008908; Biologicals (1997) vol.25, no.1, p.75-85 * |
JPN6014008909; In Vitro Cell. Dev. Biol. Anim. (2007) vol.43, no.10, p.344-351 * |
Also Published As
Publication number | Publication date |
---|---|
EP2398914B1 (en) | 2015-09-30 |
CA2753235A1 (en) | 2010-08-26 |
GB0903026D0 (en) | 2009-04-08 |
JP5771533B2 (ja) | 2015-09-02 |
WO2010094763A1 (en) | 2010-08-26 |
US20120141988A1 (en) | 2012-06-07 |
EP2398914A1 (en) | 2011-12-28 |
ES2554835T3 (es) | 2015-12-23 |
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