JPH07506592A - 造影用のテクネチウム‐99m標識ペプチド - Google Patents
造影用のテクネチウム‐99m標識ペプチドInfo
- Publication number
- JPH07506592A JPH07506592A JP6501622A JP50162294A JPH07506592A JP H07506592 A JPH07506592 A JP H07506592A JP 6501622 A JP6501622 A JP 6501622A JP 50162294 A JP50162294 A JP 50162294A JP H07506592 A JPH07506592 A JP H07506592A
- Authority
- JP
- Japan
- Prior art keywords
- reagent
- peptide
- group
- site
- technetium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 108090000765 processed proteins & peptides Proteins 0.000 title claims description 132
- 238000003384 imaging method Methods 0.000 title claims description 25
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- 229940056501 technetium 99m Drugs 0.000 title claims description 19
- 239000003153 chemical reaction reagent Substances 0.000 claims description 74
- 230000027455 binding Effects 0.000 claims description 71
- 230000009870 specific binding Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 32
- -1 bromoacetyl Chemical group 0.000 claims description 28
- 150000001413 amino acids Chemical group 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 24
- 125000005647 linker group Chemical group 0.000 claims description 23
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- 239000003638 chemical reducing agent Substances 0.000 claims description 17
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- 239000002872 contrast media Substances 0.000 claims description 14
- 241001465754 Metazoa Species 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 12
- 238000002372 labelling Methods 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
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- 125000000524 functional group Chemical group 0.000 claims description 8
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- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 claims description 5
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- 230000002799 radiopharmaceutical effect Effects 0.000 claims description 5
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 4
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- QWFGVJAKZIICCU-UHFFFAOYSA-N 1-[2-[bis[2-(2,5-dioxopyrrolidin-1-yl)ethyl]amino]ethyl]pyrrolidine-2,5-dione Chemical compound O=C1CCC(=O)N1CCN(CCN1C(CCC1=O)=O)CCN1C(=O)CCC1=O QWFGVJAKZIICCU-UHFFFAOYSA-N 0.000 claims description 3
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- FLICZDVBYUMMAS-UHFFFAOYSA-N 4-(2-methylpropanoyl)benzoic acid Chemical compound CC(C)C(=O)C1=CC=C(C(O)=O)C=C1 FLICZDVBYUMMAS-UHFFFAOYSA-N 0.000 claims description 2
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- 125000005439 maleimidyl group Chemical group C1(C=CC(N1*)=O)=O 0.000 claims 2
- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 claims 1
- 108010069514 Cyclic Peptides Proteins 0.000 claims 1
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- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims 1
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- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
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- 235000018102 proteins Nutrition 0.000 description 11
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- 108090000623 proteins and genes Proteins 0.000 description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- 239000012043 crude product Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 10
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- 239000010410 layer Substances 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 7
- 239000002738 chelating agent Substances 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000012267 brine Substances 0.000 description 6
- ZTVZLYBCZNMWCF-UHFFFAOYSA-N homocystine Chemical compound [O-]C(=O)C([NH3+])CCSSCCC([NH3+])C([O-])=O ZTVZLYBCZNMWCF-UHFFFAOYSA-N 0.000 description 6
- 238000001727 in vivo Methods 0.000 description 6
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 238000000163 radioactive labelling Methods 0.000 description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 6
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- WOXFMYVTSLAQMO-UHFFFAOYSA-N 2-Pyridinemethanamine Chemical compound NCC1=CC=CC=N1 WOXFMYVTSLAQMO-UHFFFAOYSA-N 0.000 description 5
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- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 4
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- 239000004472 Lysine Substances 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 4
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- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
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Abstract
Description
Claims (28)
- 1.各特異的結合ペプチドが3ないし100個のアミノ酸のアミノ酸配列を有し 、多価結合部位に共有結合した多数の特異的結合ペプチド部位、および複数の該 特異的結合ペプチド、該多価リンカー部位、またはその両方に共有結合したテク ネチウム−99m結合部位よりなる哺乳動物体内の部位を造影するシンチグラフ ィー造影剤を製造するための試薬。
- 2.テクネチウム−99mで放射線標識された請求項1記載の試薬。
- 3.該テクネチウム−99m結合部位が:I.▲数式、化学式、表等があります ▼[式中、C(pgp)3は、保護されたチオール基を有するシステインであっ て、(aa)はアミノ酸である]; II.▲数式、化学式、表等があります▼[式中、A1はH、HOOC、H2N OCまたは−NHOC;B1はSHまたはNHR3; X1はH、メチル、SHまたはNHR3;Z1はHまたはメチル; R1およびR2は、独立して、Hまたは低級アルキル;R3はH、低級アルキル または−C=O;nは0、1または2; B1がNHR3である場合、X1はSH、Z1はHであってnは1または2;X 1がNHR3である場合、B1はSH、Z1はHであってnは1または2;B1 がHである場合、A1はHOOC、H2NOCまたは−NHOC、X1はSH、 Z1はHであってnは0または1; Z1がメチルである場合、X1はメチル、A1はHOOC、H2NOCまたは− NHOC、B1はSHであってnは0;ここに、 チオール基は還元型である]; III.▲数式、化学式、表等があります▼IV.▲数式、化学式、表等があり ます▼[式中、X2=IIまたは保護用基; (amino acid)=いずれかのアミノ酸];V.▲数式、化学式、表等 があります▼[式中、各Rは、独立して、H、CH3またはC2H5:各(pg p)5は、独立して、チオール保護用基またはH;m、nおよびpは、独立して 、2または3;A2=線状または環状の低級アルキル、アリール、複素環、それ らの組合せまたは置換誘導体];および VI.▲数式、化学式、表等があります▼〔式中、各Rは、独立して、H、CH 3またはC2H5;m、nおよびpは、独立して、2または3;A3=線状また は環状の低級アルキル、アリール、複素環、それらの組合せまたは置換誘導体; V=IIまたは−CO−ペプチド; R4=IIまたはペプチド; V=IIの場合、R4=ペプチドであって、R4=IIの場合、V=−CO−ペ プチドである; ここに、各Rは、独立して、H、1ないし6個の炭素原子を有する低級アルキル 、フェニル、または低級アルキルもしくは低級アルコキシで置換されたフェニル であって、ここに各nは、独立して1または2〕よりなる群から選択される請求 項1記載の試薬。
- 4.該保護されたシステインが式: −CH2−NH−CO−R [式中、Rは1ないし6個の炭素原子を有する低級アルキル、2−、3−、4− ピリジル、フェニル、または低級アルキル、ヒドロキシ、低級アルコキシ、カル ボキシもしくは低級アルコキシカルボニルで置換されたフェニル]の保護用基を 有する請求項1記載の試薬。
- 5.C(PgP)5−(aa)−C(PgP)5が式:【配列があります】 を有する請求項1記載の試薬。
- 6.該多価結合部位が、特異的結合ペプチドまたはテクネチウム−99m結合部 位に共有結合できる少なくとも2つのリンカー官能基よりなり、少なくとも2つ の該リンカー官能基が同一である請求項1記載の試薬。
- 7.該多価結合部位のリンカー官能基が、第一級または第二級アミン、ヒドロキ シル基、カルボン酸基またはチオール反応性基であって、該チオールー反応性基 が、マレイミド基およびクロロアセチル、ブロモアセチルおよびヨードアセチル 基よりなる群から選択される請求項6記載の試薬。
- 8.該チオール反応性基が、マレイミド基およびクロロアセチル、ブロモアセチ ルならびにヨードアセチル基よりなる群から選択される請求項7記載の試薬。
- 9.該多価結合部位が、共有結合して分岐した多価結合部位を形成する多数の多 価結合部位よりなる請求項6記載の試薬。
- 10.還元剤の存在下に請求項1の試薬とテクネチウム−99mとを反応させる ことにより形成した錯体。
- 11.該還元剤が、亜ジチオン酸イオン、第一スズイオンおよび第一鉄イオンよ りなる群から選択される請求項10記載の錯体。
- 12.予め還元したテクネチウム−99m錯体のリガンド交換により、請求項1 の試薬をテクネチウム−99mで標識することにより形成した錯体。
- 13.放射線医薬製剤調製物を製造するためのキットであって、予め定めた量の 請求項1の試薬と該試薬をテクネチウム−99mで標識するのに十分な量の還元 剤とを含有する密閉バイアルよりなる該キット。
- 14.還元剤の存在下に該試薬とテクネチウム−99mとを反応させることを特 徴とする請求項1記載の試薬の標識方法。
- 15.該還元剤が、亜ジチオン酸イオン、第一スズイオンおよび第一鉄イオンよ りなる群から選択される請求項14記載の方法。
- 16.有効診断量の請求項2の試薬を投与し、次いで哺乳動物体内部位に局在し たテクネチウム−99mからの放射性シグナルを検出することを特徴とする哺乳 動物体内部位を造影する方法。
- 17.該特異的結合ペプチドが、イン・ビトロで化学的に合成させた請求項1記 載の試薬。
- 18.該特異的結合ペプチドが、固相ペプチド合成法によって合成させた請求項 17記載の試薬。
- 19.該放射線標識結合部位が、イン・ビトロの化学合成の間に該特異的結合ペ プチドに共有結合させた請求項17記載の試薬。
- 20.該放射線標識結合部位が、固相ペプチド合成の間に該特異的結合ペプチド に共有結合させた請求項19記載の試薬。
- 21. ▲数式、化学式、表等があります▼ よりなる群から選択される請求項1記載の試薬よりなる組成物。
- 22.該特異的結合ペプチドが、線状または環状のペプチドよりなる請求項1記 載の試薬。
- 23.哺乳動物体内の造影部位が血栓部位である請求項1記載の試薬。
- 24.哺乳動物体内の造影部位が感染部位である請求項1記載の試薬。
- 25. ▲数式、化学式、表等があります▼ よりなる群から選択される式を有する試薬よりなる組成物。
- 26.テクネチウム−99mで放射線標識した請求項25記載の組成物。
- 27.予め定めた量の請求項25の組成物と、該組成物をテクネチウム−99m で標識するのに十分な量の還元剤とを含有する密閉バイアルよりなる製品。
- 28.該多価結合部位が、ビス−スクシンイミジルメチルエーテル、4−(2, 2−ジメチルアセチル)安息香酸、N−[2−(N′,N′−ビス(2−スクシ ンイミドエチル)アミノエチル)]−N6,N9−ビス(2−メチル−2−メル カプトプロピル)−6,9−ジアザノナンアミド、4−(2,2−ジメチルアセ チル)安息香酸、トリス(スクシンイミジルエチル)アミン、ビス−スクシンイ ミドヘキサン、4−(O−CH2CO−Gly−Gly−Cys.amide) アセトフェノンまたはそれらの誘導体である請求項1の試薬。
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PCT/US1993/005372 WO1993025244A1 (en) | 1992-06-05 | 1993-06-04 | TECHNETIUM-99m LABELED PEPTIDES FOR IMAGING |
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-
1992
- 1992-06-05 US US07/893,981 patent/US5508020A/en not_active Expired - Lifetime
-
1993
- 1993-06-04 EP EP93915221A patent/EP0644778B1/en not_active Revoked
- 1993-06-04 ES ES93915221T patent/ES2105292T3/es not_active Expired - Lifetime
- 1993-06-04 WO PCT/US1993/005372 patent/WO1993025244A1/en active IP Right Grant
- 1993-06-04 DK DK93915221.1T patent/DK0644778T3/da active
- 1993-06-04 DE DE69310733T patent/DE69310733T2/de not_active Expired - Fee Related
- 1993-06-04 CA CA002137009A patent/CA2137009C/en not_active Expired - Fee Related
- 1993-06-04 JP JP6501622A patent/JP2954354B2/ja not_active Expired - Lifetime
- 1993-06-04 AU AU45287/93A patent/AU688264B2/en not_active Ceased
- 1993-06-04 AT AT93915221T patent/ATE152918T1/de not_active IP Right Cessation
-
1995
- 1995-06-06 US US08/467,567 patent/US6113878A/en not_active Expired - Fee Related
- 1995-06-06 US US08/469,858 patent/US5976494A/en not_active Expired - Fee Related
-
1997
- 1997-07-08 US US08/889,212 patent/US6667389B1/en not_active Expired - Fee Related
-
1998
- 1998-06-26 HK HK98106974A patent/HK1007685A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0644778A1 (en) | 1995-03-29 |
JP2954354B2 (ja) | 1999-09-27 |
US6667389B1 (en) | 2003-12-23 |
EP0644778B1 (en) | 1997-05-14 |
CA2137009A1 (en) | 1993-12-23 |
DE69310733T2 (de) | 1997-10-30 |
US5508020A (en) | 1996-04-16 |
US6113878A (en) | 2000-09-05 |
US5976494A (en) | 1999-11-02 |
DK0644778T3 (da) | 1997-11-03 |
ATE152918T1 (de) | 1997-05-15 |
HK1007685A1 (en) | 1999-04-23 |
ES2105292T3 (es) | 1997-10-16 |
DE69310733D1 (de) | 1997-06-19 |
AU688264B2 (en) | 1998-03-12 |
WO1993025244A1 (en) | 1993-12-23 |
CA2137009C (en) | 2001-11-27 |
AU4528793A (en) | 1994-01-04 |
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