JP2011519272A - Hpv誘導浸潤がん、およびその高悪性前駆病変のための分子診断マーカー、mal - Google Patents
Hpv誘導浸潤がん、およびその高悪性前駆病変のための分子診断マーカー、mal Download PDFInfo
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Abstract
Description
子宮頚癌のマイクロアレイ発現解析において、MALは、通常の上皮コントロールサンプルと比較して、子宮頚癌において最も大幅に下方制御される遺伝子の1つとして同定された。
我々は、子宮頚部発がんの潜在的な機能的役割を確認するために、HPV16を含む子宮頸癌細胞株SiHaの細胞をMAL発現ベクター(SiHa_MAL)、または空のコントロールベクター(SiHa−)で安定して形質転換した。SiHa_MAL形質転換体における異所性MALの発現は、RT−PCRにより確認した。両者の形質転換体について、それらの増殖率、遊走能力、および軟寒天での成長能力について調べた。SiHa_MAL形質転換体は、SiHa(−)細胞と比較して、増殖率について43%の減少を示した。このことは、MALの異所性発現は、インビトロにおいて、抗増殖効果を有することを示す。我々は、スクラッチアッセイを使用することで、SiHa_MAL形質転換体では遊走が強く抑制されることを見出した。さらに、SiHa_MAL細胞は、空ベクターを有するSiHa形質転換体と比較して、足場非依存性増殖について53%減少することを示した。
我々が子宮頸がんにおいて再発性の染色体欠失を見つけることができなかった染色体の2q11−13にMAL遺伝子が位置するという事実は、潜在的な転写のエピジェネティック制御を探索することが求められる。メチル化阻害剤、およびヒストン脱アセチル化阻害剤で処理された子宮頸がん細胞株、ならびにHPV−不死化細胞株は、MALのmRNA発現の強い上方制御をもたらし、このことは、MALの下方制御は、エピジェネティック制御機構に依存していることを示した。
我々は、集団ベースのスクリーニング検査に参加する女性のコホート内症例対照研究を用いて、18カ月のフォローアップ期間内に最大CIN1と診断されたhrHPV陽性女性(すなわち、コントロール)に対してフォローアップの18カ月以内にCIN2以上(1の癌を含む)hrHPV陽性の女性の子宮擦過検体(すなわち、症例)を試験した。これらの女性の基準頸部擦過検体(baseline cervical scrape)は、RNAおよびDNAの両者が保存される保存培地に集められた。
我々は、その後、45,000の自己サンプリングパッケージの全てが、2度目の督促後も通常の子宮頸部スクリーニング(www.trialregister.nl、トライアルno.NTR962(PROHTECT検査)を参照)のための案内状に応答しなかった女性に送信された前向き研究過程の間に、集められた自己サンプリング頚膣標本をVibaBrush(Rovers Medical Devices、OSS、オランダ)、またはPantarheiサンプラー(Pantarhei Devices, Zeist、オランダ)を用いて解析した。これらの女性の約3分の1は、研究室に自己採取標本を送り返す。これらのサンプルは、HPVのPCR解析(すなわち、ベータグロブリンPCR陽性)に適しており、少なくとも、hrHPV GP5+/6+−PCR収量による検査は、応答女性の該当する集団における通常のスクリーニングにより、この集団におけるCIN2以上の病変を見出した(Baisら、Int J Cancer:2007、120:1505-1510)。
我々は、CIN2以上についての感度を増加させる目的で、以前に頸部癌に機能的に関与することが示された第二のメチル化マーカー、すなわちCADM1(Genbank ID NM_014333;実施例3も参照)の付加的な価値を解析した。MALの2つのプロモーター領域とCADM1の1つのプロモーター領域とを組み合わせたメチル化解析により、メチル化陽性高悪性CIN病変の数は、80%から91%に増加した(これらの領域の少なくとも1つについて陽性結果の場合に陽性とした)。逆に、このCADM1領域の解析の追加は、通常の頚部および低悪性CIN病変において、陽性に影響しなかった。他の遺伝子の追加のメチル化データは、感度の数値の顕著な増加は認められなかった。したがって、我々は、この組み合わせは、CIN2/3について最適のマーカーパネルを提供すると結論付けた。
Claims (16)
- Tリンパ球成熟関連タンパク質(MAL)に関連する、HPV誘導高悪性前駆病変、またはHPV誘導浸潤癌の、それが必要な対象における検出方法であって、前記方法は、対象の検査細胞のMALポリペプチドをコードする核酸とMALポリペプチドとからなる群から選択される、該対象の検査細胞の細胞成分と、検査細胞の該細胞成分の濃度を検出する試薬とを生体外で接触させること、および同等の健康な細胞と比較して、検査細胞における前記細胞成分の発現量の減少を測定することを含む、検出方法。
- 同等の正常な細胞と比較した、前記検査細胞におけるCADM1プロモーター、および/またはCpGリッチゲノム配列におけるメチル化の増加を検出することをさらに含む、請求項1に記載の方法。
- 前記HPV誘導高悪性前駆病変、またはHPV誘導浸潤癌は、高悪性前がん子宮頸部病変、または浸潤性子宮頸がんである、請求項1または2に記載の方法。
- 前記HPV誘導浸潤がんは、高リスクHPV誘導浸潤がんである、請求項1〜3のいずれか1項に記載の方法。
- 前記細胞成分は、MALポリペプチドおよび調節領域をコードする核酸であり、前記試薬は、検査細胞における核酸を標的とする、請求項1〜4のいずれか1項に記載の方法。
- 前記核酸は、RNA、好ましくは、mRNAである、請求項5に記載の方法。
- 前記検出は、同等の正常な細胞と比較した、検査細胞におけるMALプロモーター、および/またはCpGリッチゲノム配列におけるメチル化の増加を検出することである、HPV誘導高悪性前駆病変、またはHPV誘導浸潤癌を検出するための、請求項1〜3のいずれか1項に記載の方法。
- 前記方法は、同等の正常な細胞と比較した、検査細胞のCADM1プロモーター、および/またはCpGリッチゲノム配列におけるメチル化の増加を検出することをさらに含む、請求項7に記載の方法。
- 前記試薬は、制限エンドヌクレアーゼ、好ましくは、メチル化感受性制限エンドヌクレアーゼである、請求項7または8に記載の方法。
- 前記試薬は、核酸に結合する核酸プローブ、またはプライマーである、請求項5または6に記載の方法。
- 前記核酸プローブ、またはプライマーは、検出可能な標識を有する、請求項10に記載の方法。
- 核酸プローブは、以下のa)〜d)からなる群から選択された塩基配列を有する、請求項10または11に記載の方法。
a)図1に示されたMAL配列の5’調節領域、またはコードおよびイントロン領域にストリンジェントな条件下でハイブリダイズすることができるポリヌクレオチド配列、
b)a)のポリヌクレオチドに対して、少なくとも70%の同一性を有するポリヌクレオチド、
c)a)のポリヌクレオチドに対して相補的なポリヌクレオチド、および
d)a)またはb)のヌクレオチドの少なくとも15塩基を含む、ポリヌクレオチド。 - 前記細胞成分は、MALポリペプチドである、請求項1〜4のいずれか1項に記載の方法。
- 前記試薬は、抗MAL抗体である、請求項13に記載の方法。
- Tリンパ球成熟関連タンパク質(MAL)に関連するHPV誘導高悪性前駆病変、またはHPV誘導浸潤癌の検出のための分子診断マーカーの使用であって、前記マーカーは、MALプロモーターのメチル化、CADM1プロモーターのメチル化、および/またはMALのmRNAの発現、またはMALポリペプチドの発現を示す、分子診断マーカーの使用。
- 対象の検査細胞のTリンパ球成熟関連タンパク質(MAL)に関連するHPV誘導高悪性前駆病変、またはHPV誘導浸潤癌を検出するための方法において使用するための部品キットであって、
前記キットは、
MALプロモーターのメチル化、またはMALの発現を検出するための手段であって、プローブ、プライマー、および/またはMALに対して特異的な抗体、もしくは図1のヌクレオチド配列のMALに対して特異的な抗体を含む手段、および/または
CADM1プロモーターのメチル化を検出するための手段、および/または
HPV感染の検出のための手段であって、HPVに対して特異的な、プローブおよびプライマーを含む、キットの使用。
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EP08154496.7 | 2008-04-14 | ||
PCT/NL2009/050194 WO2009128714A1 (en) | 2008-04-14 | 2009-04-14 | Mal, a molecular diagnostic marker for hpv-induced invasive cancers and their high-grade precursor lesions |
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JP2014526907A (ja) * | 2011-09-15 | 2014-10-09 | セルフ−スクリーン ベー.フェー. | Hpv陽性の女性のためのトリアージツールとしての、自己採取試料におけるメチル化分析 |
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CN102822672B (zh) * | 2010-01-08 | 2015-12-09 | 安科健康公司 | 用于诊断和筛选与hpv有关的癌症的高通量细胞基hpv免疫测定 |
KR101906254B1 (ko) | 2011-12-08 | 2018-10-10 | 파이브3 제노믹스, 엘엘씨 | Mdm2-포함 이중 소염색체들 및 그의 방법들 |
US20150051100A1 (en) * | 2012-02-27 | 2015-02-19 | The Johns Hopkins University | Dna hypermethylation of promoters of target genes and clinical diagnosis and treatment of hpv related disease |
WO2013144344A2 (en) * | 2012-03-30 | 2013-10-03 | Istituto Europeo Di Oncologia S.R.L. | Biomarkers for hpv infections, related diagnostic methods and kits |
SG11201502897VA (en) * | 2012-10-12 | 2015-05-28 | Self Screen Bv | Prdm14 and fam19a4, molecular diagnostic markers for hpv-induced invasive cancers and their high-grade precursor lesions |
KR20160133293A (ko) * | 2015-05-12 | 2016-11-22 | 에이비온 주식회사 | Hpv 바이러스의 발암 유전자 발현 저해물질을 유효성분으로 포함하는 암세포 감작용 조성물 |
EP3135768A1 (en) * | 2015-08-26 | 2017-03-01 | Self-screen B.V. | Zic1 and ghsr, molecular diagnostic markers for hpv-induced invasive cancers, nonhpv-induced gynaecological and anogenital cancers and their high-grade precursor lesions |
WO2017040491A1 (en) | 2015-08-31 | 2017-03-09 | The United States Of America As Represented By The Secretary Of The Army | Methods for molecularly characterizing cervical cell samples |
CN107328620B (zh) * | 2017-06-23 | 2020-06-05 | 浙江普罗亭健康科技有限公司 | 用于流式细胞技术的封闭缓冲液及试剂盒 |
KR102179381B1 (ko) * | 2018-12-28 | 2020-11-16 | 주식회사 네오젠티씨 | Mal이 발현된 줄기세포 유사 기억 t 세포를 유효성분으로 포함하는 면역증강 또는 항암활성 증진용 조성물 |
WO2024129928A2 (en) * | 2022-12-13 | 2024-06-20 | The Johns Hopkins University | Methylation markers for cervical cancer detection and surveillance |
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Cited By (1)
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JP2014526907A (ja) * | 2011-09-15 | 2014-10-09 | セルフ−スクリーン ベー.フェー. | Hpv陽性の女性のためのトリアージツールとしての、自己採取試料におけるメチル化分析 |
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US20110104660A1 (en) | 2011-05-05 |
AU2009236789A1 (en) | 2009-10-22 |
NZ588618A (en) | 2012-10-26 |
AU2009236789B2 (en) | 2014-10-09 |
CA2721356A1 (en) | 2009-10-22 |
DK2283154T3 (da) | 2013-08-26 |
CN102105595A (zh) | 2011-06-22 |
JP5584197B2 (ja) | 2014-09-03 |
PT2283154E (pt) | 2013-08-29 |
EP2283154A1 (en) | 2011-02-16 |
EP2283154B1 (en) | 2013-05-22 |
CA2721356C (en) | 2019-11-12 |
ES2425617T3 (es) | 2013-10-16 |
WO2009128714A1 (en) | 2009-10-22 |
US9315866B2 (en) | 2016-04-19 |
HRP20130780T1 (hr) | 2013-11-08 |
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