JP2016504591A - 呼吸ガスを利用した癌の診断方法 - Google Patents
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Abstract
Description
そこで、本発明者等は、診断費用が少なくて済み、非侵襲性(non−invasive)である癌の早期診断法を開発しようと鋭意努力した結果、癌患者の呼気(exhaledbreath)に特異的に含まれている癌特異的揮発性有機化合物(breast cancer−specific volatile organic compounds、VOC)を質量分析計を基にした電子鼻(ElectronicNose based on Mass spectrometer)を利用して確認して、前記癌特異的揮発性有機化合物の有無を検出して、癌を診断する方法を開発して、本発明を完成することになった。
前記化合物の特徴は下記の通りである。
1)Perfluorodecanoic acid
組成式:C10HF19O2
分子量:514.08
CAS登録番号:335−76−2
組成式:C5HF9O2
分子量:264
CAS登録番号:2706−90−3
組成式:C9HF17O2
分子量:464
CAS登録番号:375−95−1
組成式:C8HF15O2
分子量:414
CAS登録番号:335−67−1
組成式:C7F14
分子量:350
CAS登録番号:355−63−5
組成式:C6F12
分子量:300
CAS登録番号:355−68−0
組成式:C7H3F13
分子量:350
CAS登録番号:375−82−6
組成式:C4F8
分子量:200
CAS登録番号:115−25−3
組成式:C7F14
分子量:350
CAS登録番号:355−02−2
乳癌患者の呼吸は、建国(コングク)大病院乳癌センターで乳癌診断を受けてまだ手術を受けなかった入院患者を対象に手術直前に呼吸を受けた。乳癌患者の呼吸は、62人の呼吸を受けて、健常者の呼吸は、アールアンドエルバイオ幹細胞相談員が健常顧客1000人の呼吸を採取した。
実施例1の方法で呼吸バックに受けてきた呼吸ガス(呼気)をSPME(Solid−Phasemicroextraction)に20分間吸着させた後、呼吸ガスが吸着されたSPMEをGC-MS(島津製、GC2010、GC-MSQP2010 Plus)に注入させた。GCに用いられたオーブンプログラムは、40℃で5分、10℃ずつ300℃まで昇温した後3分間維持させた。コラムは、H1− 5%phenylmethyl siloxane(30m length、0.25mm id.,0.25um thickness)を用いた。コラム圧力は、57.4kPaであり、流速は分当り1.11mlで、物質判読のための情報データベースは、NIST/EPA/NIHを用いた。
:
1)Perfluorodecanoic acid
組成式:C10HF19O2
分子量:514.08
CAS登録番号:335−76−2
組成式:C5HF9O2
分子量:264
CAS登録番号:2706−90−3
組成式:C9HF17O2
分子量:464
CAS登録番号:375−95−1
組成式:C8HF15O2
分子量:414
CAS登録番号:335−67−1
組成式:C7F14
分子量:350
CAS登録番号:355−63−5
組成式:C6F12
分子量:300
CAS登録番号:355−68−0
組成式:C7H3F13
分子量:350
CAS登録番号:375−82−6
組成式:C4F8
分子量:200
CAS登録番号:115−25−3
組成式:C7F14
分子量:350
CAS登録番号:355−02−2
ソウル大病院で受けた甲状腺癌患者の呼気サンプル計13個(男3個、女10個)をGC-MS分析して、実施例2の方法で断片分子量を確認した結果、13個のサンプル共に分子量69、131及び181の断片が検出されるのを確認した(図4)。
Claims (16)
- 次の工程を含む、癌診断のため、呼吸ガス内イオン化断片を分析する方法:
(a)排出された呼吸ガスで癌特異VOCのイオン化断片の分子量が(i)69、(ii)131及び(iii)181である物質を検出する工程と、
(b)前記検出された結果を利用して癌関連情報を取得する工程。 - 前記物質は、電子鼻、GC-MS及びGCで構成された群で選択される機器を利用して、 検出することを特徴とすること請求項1に記載の方法。
- 前記癌特異VOCは、perfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoic acid、perfluoro−1−heptene、perfluorocyclohexane、1H,1H−Perfluoro−1−heptanol、octafluorocyclobutane、perfluoro(methylcyclohexane)及びこれらの混合物で構成される群から選択されることを特徴とすること請求項1に記載の方法。
- 前記(a)工程で、癌特異VOCのイオン化断片の分子量が51、63、79、101、113、129、147、151及び199で構成される群から選択される物質を追加的に検出することを特徴とすること請求項1に記載の方法。
- 前記癌は、脳腫瘍、頭頸部腫瘍、乳癌、甲状腺癌、肺癌、胃癌、肝臓癌、膵臓癌、小腸癌、大腸(直腸)癌、腎臓癌、前立腺癌、子宮頸部癌、子宮内膜癌及び卵巣癌で構成される群から選択される癌であることを特徴とすること請求項1に記載の方法。
- 次の工程を含む癌診断のための情報提供方法:
(a)排出された呼吸ガスで癌特異VOCのイオン化断片の分子量が(i)69、(ii)131及び(iii)181である物質を検出する工程と、
(b)前記検出された結果を利用して癌関連情報を取得する工程。 - 前記物質は、電子鼻、GC-MS及びGCで構成された群で選択される機器を利用して、 検出することを特徴とすること請求項6に記載の方法。
- 前記癌特異VOCは、perfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoic acid、perfluoro−1−heptene、perfluorocyclohexane、1H,1H−Perfluoro−1−heptanol、octafluorocyclobutane、perfluoro(methylcyclohexane)及びこれらの混合物で構成される群から選択されることを特徴とすること請求項6に記載の方法。
- 前記(a)工程で、癌特異VOCのイオン化断片の分子量が51、63、79、101、113、129、147、151及び199で構成される群から選択される物質を追加的に検出することを特徴とすること請求項6に記載の方法。
- 前記癌は、脳腫瘍、頭頸部腫瘍、乳癌、甲状腺癌、肺癌、胃癌、肝臓癌、膵臓癌、小腸癌、大腸(直腸)癌、腎臓癌、前立腺癌、子宮頸部癌、子宮内膜癌及び卵巣癌で構成される群から選択される癌であることを特徴とすること請求項6に記載の方法。
- 癌が疑われる患者から採取された呼吸ガスでperfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoic acid、perfluoro−1−heptene、perfluorocyclohexane、1H,1H−Perfluoro−1−heptanoloctafluorocyclobutane及びperfluoro(methylcyclohexane)で構成される群から選択される癌特異VOCの有無を測定する工程を含む、癌診断のための情報提供方法。
- 前記測定は、電子鼻、GC-MS及びGCで構成された群から選択される機器を利用して行うことを特徴とすること請求項11に記載の方法。
- 前記癌は、脳腫瘍、頭頸部腫瘍、乳癌、甲状腺癌、肺癌、胃癌、肝臓癌、膵臓癌、小腸癌、大腸(直腸)癌、腎臓癌、前立腺癌、子宮頸部癌、子宮内膜癌及び卵巣癌で構成される群から選択される癌であることを特徴とすること請求項11に記載の方法。
- 癌診断のため、癌が疑われる患者から採取された呼吸ガスでperfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoic acid、perfluoro−1−heptene、perfluorocyclohexane、1H,1H−Perfluoro−1−heptanol、octafluorocyclobutane及びperfluoro(methylcyclohexane)で構成される群から選択される癌特異VOCの有無を測定する工程を含む、癌診断方法。
- 前記測定は、電子鼻、GC-MS及びGCで構成された群から選択される機器を利用して行うことを特徴とすること請求項14に記載の方法。
- 前記癌は、脳腫瘍、頭頸部腫瘍、乳癌、甲状腺癌、肺癌、胃癌、肝臓癌、膵臓癌、小腸癌、大腸(直腸)癌、腎臓癌、前立腺癌、子宮頸部癌、子宮内膜癌及び卵巣癌で構成される群から選択される癌であることを特徴とすること請求項14に記載の方法。
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| KR10-2012-0153283 | 2012-12-26 | ||
| KR20120153283 | 2012-12-26 | ||
| PCT/KR2013/011848 WO2014104649A1 (ko) | 2012-12-26 | 2013-12-19 | 호흡가스를 이용한 암의 진단방법 |
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| JP2016504591A true JP2016504591A (ja) | 2016-02-12 |
| JP6159821B2 JP6159821B2 (ja) | 2017-07-05 |
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| US (1) | US9955898B2 (ja) |
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| CN (1) | CN104919317B (ja) |
| HK (1) | HK1211341A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2940472B1 (en) | 2018-11-07 |
| RU2639254C2 (ru) | 2017-12-20 |
| US20150351662A1 (en) | 2015-12-10 |
| CN104919317A (zh) | 2015-09-16 |
| CN104919317B (zh) | 2018-01-02 |
| EP2940472A1 (en) | 2015-11-04 |
| HK1211341A1 (en) | 2016-05-20 |
| KR101467482B1 (ko) | 2014-12-01 |
| US9955898B2 (en) | 2018-05-01 |
| EP2940472A4 (en) | 2016-08-10 |
| RU2015130611A (ru) | 2017-01-27 |
| WO2014104649A1 (ko) | 2014-07-03 |
| KR20140083881A (ko) | 2014-07-04 |
| JP6159821B2 (ja) | 2017-07-05 |
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