JP6159821B2 - 呼吸ガスを利用した癌の診断方法 - Google Patents
呼吸ガスを利用した癌の診断方法 Download PDFInfo
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- JP6159821B2 JP6159821B2 JP2015550302A JP2015550302A JP6159821B2 JP 6159821 B2 JP6159821 B2 JP 6159821B2 JP 2015550302 A JP2015550302 A JP 2015550302A JP 2015550302 A JP2015550302 A JP 2015550302A JP 6159821 B2 JP6159821 B2 JP 6159821B2
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- 206010028980 Neoplasm Diseases 0.000 title claims description 112
- 201000011510 cancer Diseases 0.000 title claims description 111
- 238000000034 method Methods 0.000 title claims description 56
- 230000000241 respiratory effect Effects 0.000 title claims description 27
- 238000003745 diagnosis Methods 0.000 title claims description 19
- 206010006187 Breast cancer Diseases 0.000 claims description 41
- 208000026310 Breast neoplasm Diseases 0.000 claims description 41
- 239000000126 substance Substances 0.000 claims description 31
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- 239000000203 mixture Substances 0.000 claims description 23
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 claims description 22
- 208000024770 Thyroid neoplasm Diseases 0.000 claims description 17
- 201000002510 thyroid cancer Diseases 0.000 claims description 15
- RKIMETXDACNTIE-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6-dodecafluorocyclohexane Chemical compound FC1(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F RKIMETXDACNTIE-UHFFFAOYSA-N 0.000 claims description 13
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 claims description 13
- CXZGQIAOTKWCDB-UHFFFAOYSA-N perfluoropentanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CXZGQIAOTKWCDB-UHFFFAOYSA-N 0.000 claims description 12
- STLNAVFVCIRZLL-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptan-1-ol Chemical compound OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F STLNAVFVCIRZLL-UHFFFAOYSA-N 0.000 claims description 11
- 239000004341 Octafluorocyclobutane Substances 0.000 claims description 11
- 235000019407 octafluorocyclobutane Nutrition 0.000 claims description 11
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 claims description 11
- 206010058467 Lung neoplasm malignant Diseases 0.000 claims description 9
- 208000014829 head and neck neoplasm Diseases 0.000 claims description 9
- 201000005202 lung cancer Diseases 0.000 claims description 9
- 208000020816 lung neoplasm Diseases 0.000 claims description 9
- 208000003174 Brain Neoplasms Diseases 0.000 claims description 8
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- 206010014733 Endometrial cancer Diseases 0.000 claims description 8
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- 206010033128 Ovarian cancer Diseases 0.000 claims description 8
- 206010061535 Ovarian neoplasm Diseases 0.000 claims description 8
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- JHECRLZWSVUEFV-UHFFFAOYSA-N FC(C(=O)O)(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)F.FC(C(C(C(C(C(C(C(C(=O)O)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F Chemical compound FC(C(=O)O)(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)F.FC(C(C(C(C(C(C(C(C(=O)O)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F JHECRLZWSVUEFV-UHFFFAOYSA-N 0.000 claims 2
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- QIROQPWSJUXOJC-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-(trifluoromethyl)cyclohexane Chemical compound FC(F)(F)C1(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F QIROQPWSJUXOJC-UHFFFAOYSA-N 0.000 description 12
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- 238000004817 gas chromatography Methods 0.000 description 8
- ZHZPKMZKYBQGKG-UHFFFAOYSA-N 6-methyl-2,4,6-tris(trifluoromethyl)oxane-2,4-diol Chemical compound FC(F)(F)C1(C)CC(O)(C(F)(F)F)CC(O)(C(F)(F)F)O1 ZHZPKMZKYBQGKG-UHFFFAOYSA-N 0.000 description 7
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- AEXMKKGTQYQZCS-UHFFFAOYSA-N 3,3-dimethylpentane Chemical compound CCC(C)(C)CC AEXMKKGTQYQZCS-UHFFFAOYSA-N 0.000 description 2
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- PCIUEQPBYFRTEM-UHFFFAOYSA-N perfluorodecanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F PCIUEQPBYFRTEM-UHFFFAOYSA-N 0.000 description 2
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- GFDZZKWNIOIFSB-UHFFFAOYSA-N 2-amino-8-methyl-5-propan-2-ylazulene-1-carbonitrile Chemical compound CC(C)C1=CC=C(C)C2=C(C#N)C(N)=CC2=C1 GFDZZKWNIOIFSB-UHFFFAOYSA-N 0.000 description 1
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
- RCOXMOQVMZTXOO-UHFFFAOYSA-N 5-(2-methylpropyl)nonane Chemical compound CCCCC(CC(C)C)CCCC RCOXMOQVMZTXOO-UHFFFAOYSA-N 0.000 description 1
- NFWBQMAWXUZCRJ-UHFFFAOYSA-N 5-methyltridecane Chemical compound CCCCCCCCC(C)CCCC NFWBQMAWXUZCRJ-UHFFFAOYSA-N 0.000 description 1
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- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
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- PQPVPZTVJLXQAS-UHFFFAOYSA-N hydroxy-methyl-phenylsilicon Chemical compound C[Si](O)C1=CC=CC=C1 PQPVPZTVJLXQAS-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- YZUAOVCUGSBIPP-UHFFFAOYSA-N tert-butyl N-[1-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]carbamate Chemical compound C1=CC=CN2C(C(NC(=O)OC(C)(C)C)C)=NN=C21 YZUAOVCUGSBIPP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
- G01N33/4975—Physical analysis of biological material of gaseous biological material, e.g. breath other than oxygen, carbon dioxide or alcohol, e.g. organic vapours
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/574—Immunoassay; Biospecific binding assay; Materials therefor for cancer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/574—Immunoassay; Biospecific binding assay; Materials therefor for cancer
- G01N33/57484—Immunoassay; Biospecific binding assay; Materials therefor for cancer involving compounds serving as markers for tumor, cancer, neoplasia, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides, metabolites
- G01N33/57488—Immunoassay; Biospecific binding assay; Materials therefor for cancer involving compounds serving as markers for tumor, cancer, neoplasia, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides, metabolites involving compounds identifable in body fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8804—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 automated systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
- G01N2030/884—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample organic compounds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/72—Mass spectrometers
- G01N30/7206—Mass spectrometers interfaced to gas chromatograph
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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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
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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
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
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。
(項目1)
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。
(項目2)
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項目1に記載の方法。
(項目3)
前記癌特異VOCは、perfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoicacid、perfluoro−1−hept
ene、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項目1に記載の方法。
(項目4)
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項目1に記載の方法。
(項目5)
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項目1に記載の方法。
(項目6)
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。
(項目7)
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項目6に記載の方法。
(項目8)
前記癌特異VOCは、perfluorodecanoicacid、Perfluoro−n−pentanoic acid、perfluorononanoic acid、perfluorooctanoicacid、perfluoro−1−hept
ene、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項目6に記載の方法。
(項目9)
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項目6に記載の方法。
(項目10)
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項目6に記載の方法。
(項目11)
癌が疑われる患者から採取された呼吸ガスでperfluorodecanoicacid、Perfluoro−n−pentanoicacid、perfluorono
nanoic 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。
(項目12)
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項目11に記載の方法。
(項目13)
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項目11に記載の方法。
(項目14)
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、perf
luorononanoic 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。
(項目15)
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項目14に記載の方法。
(項目16)
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項目14に記載の方法。
本発明の他の特徴及び具現例は、以下の詳細な説明及び添付された特許請求範囲からより一層明白になる。
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 (8)
- 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である物質及び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請求項1に記載の方法。
- 前記癌特異VOCは、ペルフルオロデカン酸(perfluorodecanoic acid)、ペルフルオロ−n−ペンタン酸(perfluoro-n-pentanoic acid)、ペルフルオロノナン酸(perfluorononanoic acid)、ペルフルオロオクタン酸(perfluorooctanoic acid)、ペルフルオロー1−ヘプテン(perfluoro-1-heptene)、ペルフルオロシクロヘキサン(perfluorocyclohexane)、1H,1H−ペルフルオロ−1−ヘプタノール(1H,1H-Perfluoro-1-heptanol)、オクタフルオロシクロブタン(octafluorocyclobutane)、ペルフルオロメチルシクロヘキサン(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請求項1又は2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請求項1〜3のいずれか一項に記載の方法。
- 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である物質及び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請求項5に記載の方法。
- 前記癌特異VOCは、ペルフルオロデカン酸(perfluorodecanoic acid)、ペルフルオロ−n−ペンタン酸(perfluoro-n-pentanoic acid)、ペルフルオロノナン酸(perfluorononanoic acid)、ペルフルオロオクタン酸(perfluorooctanoic acid)、ペルフルオロー1−ヘプテン(perfluoro-1-heptene)、ペルフルオロシクロヘキサン(perfluorocyclohexane)、1H,1H−ペルフルオロ−1−ヘプタノール(1H,1H-Perfluoro-1-heptanol)、オクタフルオロシクロブタン(octafluorocyclobutane)、ペルフルオロメチルシクロヘキサン(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請求項5又は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請求項5〜7のいずれか一項に記載の方法。
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