JP2012207027A - 造影剤 - Google Patents
造影剤 Download PDFInfo
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- JP2012207027A JP2012207027A JP2012144870A JP2012144870A JP2012207027A JP 2012207027 A JP2012207027 A JP 2012207027A JP 2012144870 A JP2012144870 A JP 2012144870A JP 2012144870 A JP2012144870 A JP 2012144870A JP 2012207027 A JP2012207027 A JP 2012207027A
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- NTHXOOBQLCIOLC-UHFFFAOYSA-N iohexol Chemical compound OCC(O)CN(C(=O)C)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NTHXOOBQLCIOLC-UHFFFAOYSA-N 0.000 description 1
- XQZXYNRDCRIARQ-LURJTMIESA-N iopamidol Chemical compound C[C@H](O)C(=O)NC1=C(I)C(C(=O)NC(CO)CO)=C(I)C(C(=O)NC(CO)CO)=C1I XQZXYNRDCRIARQ-LURJTMIESA-N 0.000 description 1
- 229960004647 iopamidol Drugs 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000849 liver cell damage Toxicity 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 125000003588 lysine group Chemical group [H]N([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(N([H])[H])C(*)=O 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001840 matrix-assisted laser desorption--ionisation time-of-flight mass spectrometry Methods 0.000 description 1
- MBKDYNNUVRNNRF-UHFFFAOYSA-N medronic acid Chemical compound OP(O)(=O)CP(O)(O)=O MBKDYNNUVRNNRF-UHFFFAOYSA-N 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- DWPCPZJAHOETAG-UHFFFAOYSA-N meso-lanthionine Natural products OC(=O)C(N)CSCC(N)C(O)=O DWPCPZJAHOETAG-UHFFFAOYSA-N 0.000 description 1
- 210000001724 microfibril Anatomy 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000663 muscle cell Anatomy 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 210000000107 myocyte Anatomy 0.000 description 1
- 210000003365 myofibril Anatomy 0.000 description 1
- RRHNGIRRWDWWQQ-UHFFFAOYSA-N n-iodoaniline Chemical compound INC1=CC=CC=C1 RRHNGIRRWDWWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- LKKPNUDVOYAOBB-UHFFFAOYSA-N naphthalocyanine Chemical compound N1C(N=C2C3=CC4=CC=CC=C4C=C3C(N=C3C4=CC5=CC=CC=C5C=C4C(=N4)N3)=N2)=C(C=C2C(C=CC=C2)=C2)C2=C1N=C1C2=CC3=CC=CC=C3C=C2C4=N1 LKKPNUDVOYAOBB-UHFFFAOYSA-N 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000009871 nonspecific binding Effects 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 108010047805 oxytalan Proteins 0.000 description 1
- 239000000137 peptide hydrolase inhibitor Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- QWYZFXLSWMXLDM-UHFFFAOYSA-M pinacyanol iodide Chemical compound [I-].C1=CC2=CC=CC=C2N(CC)C1=CC=CC1=CC=C(C=CC=C2)C2=[N+]1CC QWYZFXLSWMXLDM-UHFFFAOYSA-M 0.000 description 1
- 229920001308 poly(aminoacid) Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001500 prolyl group Chemical group [H]N1C([H])(C(=O)[*])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical compound C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 102000005962 receptors Human genes 0.000 description 1
- 108020003175 receptors Proteins 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 201000004409 schistosomiasis Diseases 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- XETSAYZRDCRPJY-UHFFFAOYSA-M sodium;4-aminobenzoate Chemical compound [Na+].NC1=CC=C(C([O-])=O)C=C1 XETSAYZRDCRPJY-UHFFFAOYSA-M 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- DIORMHZUUKOISG-UHFFFAOYSA-N sulfoformic acid Chemical compound OC(=O)S(O)(=O)=O DIORMHZUUKOISG-UHFFFAOYSA-N 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- WROMPOXWARCANT-UHFFFAOYSA-N tfa trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F.OC(=O)C(F)(F)F WROMPOXWARCANT-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 150000003555 thioacetals Chemical class 0.000 description 1
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 description 1
- FGMPLJWBKKVCDB-UHFFFAOYSA-N trans-L-hydroxy-proline Natural products ON1CCCC1C(O)=O FGMPLJWBKKVCDB-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- CRDTZOSAGFUIQI-UHFFFAOYSA-K trisodium;8-isothiocyanatopyrene-1,3,6-trisulfonate Chemical compound [Na+].[Na+].[Na+].C1=C2C(S(=O)(=O)[O-])=CC(N=C=S)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 CRDTZOSAGFUIQI-UHFFFAOYSA-K 0.000 description 1
- QVWDCTQRORVHHT-UHFFFAOYSA-N tropone Chemical compound O=C1C=CC=CC=C1 QVWDCTQRORVHHT-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Classifications
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- A61K49/0013—Luminescence
- A61K49/0017—Fluorescence in vivo
- A61K49/005—Fluorescence in vivo characterised by the carrier molecule carrying the fluorescent agent
- A61K49/0056—Peptides, proteins, polyamino acids
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Abstract
【解決手段】一般式(I)の造影剤。
Z1−L−V−Z2(I)
式中、Z1及びZ2のいずれかはヒト又は動物の身体のインビボイメージングで検出できる同一又は異なるレポーター部分であり、Vはコラーゲン形成領域との結合親和性を有するターゲッティング部分であり、Lは共有結合、バイオモディファイヤー基又はリンカー基である。
【選択図】なし
Description
以下、これについて詳細に説明する。
一般式(I)の造影剤において、Z1及びZ2は少なくともその一方が存在していてヒト又は動物の身体におけるインビボイメージングで検出できるレポーター部分であり、Vはコラーゲン形成領域に親和性をもつターゲッティング部分であり、Lは共有結合、バイオモディファイヤー又はリンカー基である。
式中、X1は共有結合又は1、2、3、4又は5個のアミノ酸残基であり、これらのアミノ酸残基のうちの1つはリンカー基Lで適宜官能化されていてもよく、好ましくはアミノ酸残基は酸又はアミン基のような官能側鎖を有するもの、好ましくはアスパラギン酸、グルタミン酸、リシン、オルニチン、ジアミノ酪酸又はジアミノプロピオン酸から選択される。
X2及びX4は独立に環化架橋を形成できるアミノ酸残基、例えばジスルフィド結合又はチオエーテル結合を形成するシステイン又はホモシステイン残基、或いはアスパラギン酸及びリシンのような環化架橋を形成できる他のアミノ酸残基であり、好ましくはX2及びX4はシステイン又はホモシステイン残基である。
X3はアルギニン、N−メチルアルギニン又はアルギニン模倣体である。
X5は疎水性アミノ酸又はその誘導体であり、好ましくはチロシン、フェニルアラニン、3−ヨードチロシン又はナフチルアラニン残基、さらに好ましくはフェニルアラニン又は3−ヨードチロシン残基である。
X6は環化架橋を形成できるアミノ酸残基であり、好ましくはチオール含有アミノ酸残基、好ましくはシステイン又はホモシステイン残基である。
RaはX2、X4又はX6のいずれかと架橋を形成できる−(CH2)n−又は(CH2)n−C6H4−基である。
nは1〜10の正の整数である。
非限定的な実施例1〜4によって本発明をさらに例示する。実施例では、2種類のZ及び/又はY1M部分を有する化合物の合成について記載する。化合物の99mTcでの標識化についても記載する。
Cys2−6;c[CH2CO−Lys(N−(5−スルホ−ナフタレン−2−イル)−Succ)−Cys−Arg−Gly−Asp−Cys−Phe−Cys]−GlutcPn216)−NH2(4)及びその99mTcキレート(4a)
上記配列に対応するペプチジル樹脂を、標準的な固相ペプチド化学合成法(Barany,G;Kneib−Cordonier,N;Mullenm D.G.(1987)Int.J.Peptide Protein Research 30,705−739)を用いて、Rink Amide MBHA樹脂(0.73mmol/g;NovaBiochem社製)で合成した。Applied Biosystems(Perkin Elmer社)モデル433Aペプチド合成装置を用いた。これらの残基は(カルボキシル末端から)、N−メチルピロリドン(NMP)中の4倍モル過剰のNα−Fmoc保護アミノ酸(1mmolカートリッジ)及び2−(1H−ベンゾトリアゾール−1−イル)−1,1,3,3−テトラメチルウロニウム−ヘキサフルオロホスフェート(HBTU)/1−ヒドロキシ−ベンゾトリアゾール(HOBt)/ジイソプロピルエチルアミン(DIEA)によるカップリングサイクル2.5時間のシングルカップリングによって0.25mmolスケールで構築した。Fmocの脱保護はNMP中の20%ピペリジン溶液を用いて、電導度をモニターしながら行った。使用したアミノ酸側鎖保護基は、Lys1には4−メチルトリチル(Mtt)、Cys2、Cys6及びAspにはtert−ブチル(tBu)、Argには2,2,5,7,8−ペンタメチルクロマン−6−スルホニル(Pmc)、Cys8にはトリチル(Trt)、Lys10にはtert−ブトキシカルボニル(Boc)であった。
6−アミノ−1−ナフタレンスルホン酸(Dahl酸)(1当量、0.5mmol)を、N−メチルモルホリン(NMM)(2当量)を含むDMFに溶解し、無水コハク酸(10当量)を加えた。一晩反応させた後、溶媒を減圧下で除去し、生成物を分取用RP−HPLC(逆相HPLC)で精製した。カラム(Phenomenex Luna C18 10μ、22×250mm)は、流速10ml/分で40分間、0.1%TFA水溶液中の5〜15%アセトニトリル(ACN)濃度勾配で溶出した。操作を6回繰り返し、所望のピークを含む画分を回収し、凍結乾燥し、146mgの純粋なN−(−5−スルホ−ナフタレン−2−イル)−スクシンアミド酸(2)を得た。RP−HPLC分析条件:tR=16.7分(Phenomenex Luna 5μ、4.6×250mm、流速1ml/分、20分間で0.1%TFA水溶液中のACN濃度5〜15%、λ=214nm)。エレクトロスプレーMS:生成物の[M+H]+の予想値324.0m/z、実測値324.0m/z。
DMF中のcPN216−グルタリル−テトラフルオロチオフェニルエステル(2当量)溶液を、DMF中のペプチド3(1当量、0.008mmol)の溶液に添加し、次いでNMM(6当量)を添加した。反応混合物を一晩撹拌した後、反応混合物から溶媒を減圧除去し、次いで分取用RP−HPLCで精製した。カラム(Phenomenex Luna C18 10μ、22×250mm)は、流速10ml/分で60分間、0.1%TFA水溶液中の13〜20%ACN濃度勾配で溶出した。所望のピークを含む画分を回収し、凍結乾燥し、8mgの純粋な化合物4を得た。RP−HPLC分析条件:tR=18.4分(Phenomenex Luna 5μ、4.6×250mm、流速1ml/分、20分間で0.1%TFA水溶液中のACN含量15〜25%、λ=214nm)。エレクトロスプレーMS:生成物の[M+H]2+の予想値949.4m/z、実測値949.5m/z。
ペプチド(4)(0.1mg)を、生理食塩水又はメタノール(0.1ml)中で再構成し、賦形剤の凍結乾燥ツールボックスキット内に移した。アミンによるキレート化に適した汎用放射性標識条件を与えるよう設計されたツールボックスキットは、無水塩化スズ(II)(16μg)、メチレンジホスホン酸(25μg)、炭酸水素ナトリウム(4500μg)、炭酸ナトリウム(600μg)、p−アミノ安息香酸ナトリウム(200μg)を含んでおり、キットのpH=9.2である。過テクネチウム(99mTc)酸ナトリウム生理食塩水注射液(2.1GBq)(3ml)を添加し、キットを数回反転させて内容物を溶解し、室温で15〜20分間インキュベートした。試料をすぐにHPLC及びITLCで分析し、99mTc標識ペプチドを、キットの再構成から1〜3時間後に被検体に投与した。
Cys2−6;c[CH2CO−Lys(N−[5−スルホ−ナフタレン−2−イル]−Succ−Lys(N−[5−スルホ−ナフタレン−2−イル]−Succ)−Cys−Arg−Gly−Asp−Cys−Phe−Cys]−Gly−Lys−(Glut−cPn216)−NH2(9)及びその99mTcキレート(9a)
上記の実施例1に記載のペプチジル樹脂(1)を、手動窒素バブラー装置を用いてDMF中の2−アセチルジメドン(Dde−OH)の溶液で2時間処理して、Nε−Lys1を保護した。2.5%のTISと2.5%の水を含むTFAで2時間処理して、部分保護ペプチドを樹脂から切り離した。反応混合物を実施例1と同様に処理し、ペプチドをエーテルから単離し、凍結乾燥して、70mgのClCH2CO−Lys(Dde)−Cys(tBu)−Arg−Gly−Asp−Cys(tBu)−Phe−Cys−Gly−Lys−NH2(5)を得た。
DMF中のN−(Nα,ε−ジ−Boc−リジルオキシ)スクシンイミド(3当量)の溶液を、ペプチド7(1当量、0.006mmol)に添加し、次いでNMM(5当量)を添加した。18時間後に反応を完結し、溶媒を減圧下で除去した。ペプチド残基を、2.5%のTISと2.5%の水を含むTFAで15分間処理して、Cys2−6;c[CH2CO−Lys(N−Lys)−Cys−Arg−Gly−Asp−Cys−Phe−Cys]−Gly−Lys−(Glut−cPn216)−NH2(8)を得て、これを上記と同様に沈殿及び凍結乾燥した。
実施例1のペプチド4の標識について記載した条件下で、ペプチド9を99mTcで標識した。
Cys2,6;c[CH2CO−Lys(Cy5.5)−Cys−Arg−Gly−Asp−Cys−Phe−Cys]−Gly−Lys(Glut−cPn216)−NH2(10)及びその99mTcキレート(10a)
Cy5.5−N−ヒドロキシスクシンイミドエステル(2当量)をNMPに溶解し、溶液をペプチド7(1当量、0.005mmol)に添加し、次いでNMM(5当量)を添加した。反応は暗所で2日間進行せしめた。反応混合物を45℃のロータリーエバポレータで濃縮した後、0.1%TFA水溶液で希釈し、分取用RP−HPLCで精製した。カラム(Phenomenex Luna C18 10μ、22×250mm)は、流速10ml/分で60分間、0.1%TFA水溶液中の15〜30%ACN濃度勾配で溶出した。所望のピークを含む画分を回収し、凍結乾燥し、3.2mgの純粋なペプチド(10)を得た。分析RP−HPLC:tR=20.9分(Phenomenex Luna 5μ、4.6×250mm、流速1ml/分、20分間で0.1%TFA水溶液中のACN濃度15〜30%、λ=214nm)。エレクトロスプレーMS:生成物の[M+H]2+の予想値1245.97m/z、実測値1246.1m/z。
実施例1のペプチド4の標識について記載した条件下で、ペプチド10を99mTcで標識した。
Cys2,6;c[CH2CO−Lys(8−チオウリル−ピレン−1,3,6−トリスルホン酸)−Cys−Arg−Gly−Asp−Cys−Phe−Cys]−Gly−BAEG−Glut−cPn216−NH2(14)及びその99mTcキレート(14a)
上記配列に対応するペプチジル樹脂を、O−ビス−(アミノエチル)エチレングリコール(BAEG)トリチル樹脂(0.44mmol/g;NovaBiochem社製)で、実施例1のペプチジル樹脂と同様の方法を用いて合成した。Nε−Lys1の保護基は、1−(4,4−デメチル−2,6−ジオキソシクロヘキシ−1−リデン)エチル(Dde)であった。構築したペプチジル樹脂を手動窒素バブラー装置に移し、N末端のFmocを脱保護し、DMF中でクロロ酢酸(20当量)とDIC(10当量)をDCM中で反応させて得たDMF中の10倍モル過剰の対称酸無水物を用いてクロロアセチル化した。2.5%のTISと2.5%の水を含むTFA中でペプチジル樹脂を2時間処理して、部分保護ペプチドを樹脂から切り離した。上記の実施例1と同様に反応混合物を処理し、ペプチドClCH2CO−Lys(Dde)−Cys(tBu)−Arg−Gly−Asp−Cys(tBu)−Phe−Cys−Gly−DEG−NH2(11)をエーテルから単離し、凍結乾燥した。
ペプチド13(1当量、5mg)をDMFに溶解し、NMMを少量添加し、pH8に調整した。DMF中の8−イソチオシアノピレン−1,3,6−トリスルホン酸3ナトリウム塩(5当量)の溶液を添加し、反応混合物を一晩撹拌した。RP−HPLC及びMS分析で反応をモニターし、生成物を分取用RP−HPLCを用いて精製した。カラム(Phenomenex Luna C18 10μ、22×250mm)は、流速10ml/分で60分間、0.1%TFA水溶液中の5〜60%ACN濃度勾配で溶出した。所望のピークを含む画分を回収し、凍結乾燥し、0.8mgの純粋なペプチド14を得た。RP−HPLC分析条件:tR=2.04分(ブロードなピーク)(Phenomenex Luna 3μ、4.6×5mm、流速2ml/分、10分間で0.1%TFA水溶液中のACN含量10〜80%、λ=214nm)。エレクトロスプレーMS:生成物の[M+H]2+の予想値1047.8m/z、実測値1048.2m/z。
実施例1のペプチド4の標識について記載した条件下で、ペプチド14を99mTcで標識した。
Claims (33)
- 一般式(I)記載の造影剤。
Z1−L−V−Z2 (I)
式中、Z1及びZ2は少なくともその一方が存在していてヒト又は動物の身体におけるインビボイメージングで検出できる同一又は異なるレポーター部分であり、Vはコラーゲン形成領域及び細胞外マトリックスに結合するターゲッティング部分であり、Lは共有結合、バイオモディファイヤー又はリンカー基である。 - Vがアミノ酸配列−X3−G−D−を含み、X3がアルギニン、N−メチルアルギニン又はアルギニン類似体である、請求項1記載の造影剤。
- Vが次の式(VI)の基であって、2つの環化架橋を含む、請求項1又は請求項2記載の造影剤。
Ra−C(=O)−X1−X2−X3−G−D−X4−X5−X6 (VI)
式中、X1は共有結合又は1、2、3、4又は5個のアミノ酸残基であり、
X2及びX4は独立に環化架橋を形成できるアミノ酸残基であり、
X3はアルギニン、N−メチルアルギニン又はアルギニン模倣体であり、
X5は疎水性アミノ酸又はその誘導体であり、
X6は環化架橋を形成できるアミノ酸残基であり、
RaはX2、X4又はX6のいずれかと架橋を形成できる−(CH2)n−又は(CH2)n−C6H4−基であり、
nは1〜10の正の整数である。 - X1が1、2、3、4又は5個のアミノ酸残基であって、1以上のアミノ酸残基が酸又はアミン基のような官能性側鎖を有するもの、好ましくはアスパラギン酸、グルタミン酸、リシン、オルニチン、ジアミノ酪酸又はジアミノプロピオン酸から選択されるものである、請求項3記載の造影剤。
- X2及びX4が独立にジスルフィド結合又はチオエーテル結合を形成するシステイン又はホモシステイン残基、或いはアスパラギン酸及びリシンのような環化架橋を形成できるアミノ酸残基である、請求項3又は請求項4記載の造影剤。
- X2及びX4が独立にシステイン又はホモシステイン残基である、請求項3乃至請求項5のいずれか1項記載の造影剤。
- X5がチロシン、フェニルアラニン、3−ヨードチロシン又はナフチルアラニン残基である、請求項3乃至請求項6のいずれか1項記載の造影剤。
- X6がチオール含有アミノ酸残基である、請求項3乃至請求項7のいずれか1項記載の造影剤。
- X6がシステイン又はホモシステイン残基である、請求項3乃至請求項8のいずれか1項記載の造影剤。
- Lがアミノ酸残基数1〜10のペプチドである、請求項1乃至請求項9のいずれか1項記載の造影剤。
- Lがグリシン、リシン、アスパラギン酸又はセリン残基である、請求項1乃至請求項10のいずれか1項記載の造影剤。
- Lが1以上のジカルボン酸単位、エチレングリコール単位若しくはPEG様成分又はそれらの組合せを含む、請求項1乃至請求項9のいずれか1項記載の造影剤。
- Lが1以上のジグリコリル単位、グリコリル単位若しくはスクシニル単位又はそれらの組合せを含む、請求項1乃至請求項9及び請求項12のいずれか1項記載の造影剤。
- Lが、式(V)の17−アミノ−5−オキソ−6−アザ−3,9,12,15−テトラオキサヘプタデカン酸の単分散PEG様構造からなるバイオモディファイヤー単位である、請求項1乃至請求項9及び請求項12乃至請求項13のいずれか1項記載の造影剤。
- Z1及びZ2が、放射線を放射する及び/又は局所的電磁場に影響を与える及び/又は放射線エネルギーを吸収若しくは散乱する同一又は異なるレポーター部分である、請求項1乃至請求項14のいずれか1項記載の造影剤。
- Z1及びZ2が、SPECT、PET又は光学画像モダリティでイメージングできるレポーター部分である、請求項15記載の造影剤。
- Z1及びZ2の少なくとも一方が、V及び/又はL部分と共有結合した非金属放射性核種を含む、請求項15又は請求項16記載の造影剤。
- Z1及びZ2の少なくとも一方が、11C、18F、123I、125I及び/又は131Iを含む、請求項17記載の造影剤。
- Z1及びZ2の少なくとも一方が式Y1Mのレポーター部分であり、Mが金属、好ましくは金属イオンであり、Y1がV及び/又はLと結合できてMを担持するキレート剤である、請求項18記載の造影剤。
- Y1が次の式(II)のキレート剤である、請求項19記載の造影剤。
- 前記キレート剤が次の式(III)のものである、請求項20記載の造影剤。
- Mが金属放射性核種、常磁性金属イオン、蛍光金属イオン、重金属イオン又はクラスターイオンである、請求項19乃至請求項21記載の造影剤。
- Mが、90Y、99mTc、111In、47Sc、67Ga、51Cr、177mSn、67Cu、167Tm、97Ru、188Re、177Lu、199Au、203Pb、141Ce又は18Fからなる群から選択される、請求項19乃至請求項22記載の造影剤。
- Z1及びZ2の一方が2以上のスルホン酸基を含むシアニン色素であり、Z1及びZ2の他方が放射性放出体で標識された式(III)の部分である、請求項15乃至請求項23記載の造影剤。
- 前記キレート剤Y1がDOTAである、請求項19記載の造影剤。
- 前記レポーター部分がSPECTイメージング用の99mTc若しくはヨウ素同位体、又はPETイメージング用の11C、18F若しくは68Ga同位体、又はMRイメージング用のGd3+である、請求項1乃至請求項25のいずれか1項記載の造影剤。
- インビボイメージングにおける画像コントラスト強調のための有効量の一般式(I)の造影剤又はその塩を、薬学的に許容される1種以上の補助剤、賦形剤又は希釈剤と共に含んでなる医薬組成物。
- コラーゲン形成に関連した疾患の診断に用いられる造影剤の製造における、式(I)の造影剤の使用。
- 式(I)の造影剤を含む造影剤組成物を投与したヒト又は動物の身体の強調画像を生成させる方法であって、当該方法が身体の少なくとも一部分の画像を生成させることを含む方法。
- 式(I)の造影剤を含む造影剤組成物を予め投与しておいたヒト又は動物の身体の強調画像を生成させる方法であって、当該方法が身体の少なくとも一部分の画像を生成させることを含む方法。
- リガンド−キレートコンジュゲート及び還元剤を含んでなる、式(I)の放射性医薬組成物の製造用キット。
- 前記還元剤がスズ塩である、請求項31記載のキット。
- さらに1種以上の安定化剤、抗酸化剤、凍結乾燥用構造形成剤及び可溶化剤を含む、請求項31又は請求項32記載のキット。
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WO2005084715A2 (en) * | 2004-03-04 | 2005-09-15 | Ge Healthcare As | Conjugates of angiotensin peptidic analogues and chelating agents for diagnosis and therapy |
KR20070029200A (ko) * | 2004-06-16 | 2007-03-13 | 지이 헬스케어 에이에스 | 펩티드계 화합물 |
BRPI0512209A (pt) * | 2004-06-16 | 2008-02-19 | Ge Healthcare As | composto, composição farmacêutica, uso de um composto, e, métodos de geração de imagens de um corpo humano ou de animal por formação de imagem óptica, e de monitoração do efeito de tratamento de um corpo humano ou de animal com uma droga para combater uma condição associada com angiogênese |
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2005
- 2005-11-21 JP JP2007542955A patent/JP5116480B2/ja not_active Expired - Fee Related
- 2005-11-21 EP EP10169506A patent/EP2243496A3/en not_active Withdrawn
- 2005-11-21 CA CA002586621A patent/CA2586621A1/en not_active Abandoned
- 2005-11-21 KR KR1020077011496A patent/KR20070091609A/ko not_active Application Discontinuation
- 2005-11-21 BR BRPI0518328-6A patent/BRPI0518328A2/pt not_active Application Discontinuation
- 2005-11-21 CN CN2005800470720A patent/CN101107016B/zh not_active Expired - Fee Related
- 2005-11-21 DE DE602005025911T patent/DE602005025911D1/de active Active
- 2005-11-21 RU RU2007118385/04A patent/RU2007118385A/ru not_active Application Discontinuation
- 2005-11-21 AU AU2005307195A patent/AU2005307195A1/en not_active Abandoned
- 2005-11-21 ES ES05817391T patent/ES2358745T3/es active Active
- 2005-11-21 MX MX2007006050A patent/MX2007006050A/es not_active Application Discontinuation
- 2005-11-21 EP EP05817391A patent/EP1814598B1/en not_active Not-in-force
- 2005-11-21 US US11/719,662 patent/US8182790B2/en not_active Expired - Fee Related
- 2005-11-21 WO PCT/NO2005/000435 patent/WO2006054904A2/en active Application Filing
- 2005-11-21 AT AT05817391T patent/ATE494913T1/de not_active IP Right Cessation
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2007
- 2007-05-01 IL IL182898A patent/IL182898A0/en unknown
- 2007-06-07 ZA ZA200705043A patent/ZA200705043B/xx unknown
- 2007-06-14 NO NO20073039A patent/NO20073039L/no not_active Application Discontinuation
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2012
- 2012-06-28 JP JP2012144870A patent/JP2012207027A/ja active Pending
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JPH03504644A (ja) * | 1989-02-10 | 1991-10-09 | セルテック リミテッド | 架橋抗体とその製法 |
JP2001509796A (ja) * | 1997-01-29 | 2001-07-24 | ニユコメド・イメージング・アクシエセルカペト | 重合体 |
JP2000095758A (ja) * | 1998-09-18 | 2000-04-04 | Schering Ag | 近赤外蛍光造影剤および蛍光造影方法 |
JP2002526458A (ja) * | 1998-09-18 | 2002-08-20 | シエーリング アクチエンゲゼルシャフト | 近赤外蛍光造影剤及び蛍光イメージング |
JP2003531835A (ja) * | 2000-04-12 | 2003-10-28 | アメルシャム ヘルス アクスイェ セルスカプ | ペプチドベースの化合物 |
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WO2003006491A2 (en) * | 2001-07-10 | 2003-01-23 | Amersham Health As | Peptide-based compounds for targeting intergin receptors |
Also Published As
Publication number | Publication date |
---|---|
RU2007118385A (ru) | 2008-12-27 |
AU2005307195A1 (en) | 2006-05-26 |
IL182898A0 (en) | 2007-08-19 |
EP1814598B1 (en) | 2011-01-12 |
US20090208412A1 (en) | 2009-08-20 |
WO2006054904A2 (en) | 2006-05-26 |
ZA200705043B (en) | 2008-09-25 |
NO20073039L (no) | 2007-08-16 |
ATE494913T1 (de) | 2011-01-15 |
ES2358745T3 (es) | 2011-05-13 |
EP2243496A3 (en) | 2012-12-26 |
CA2586621A1 (en) | 2006-05-26 |
JP5116480B2 (ja) | 2013-01-09 |
CN101107016A (zh) | 2008-01-16 |
BRPI0518328A2 (pt) | 2008-11-11 |
DE602005025911D1 (de) | 2011-02-24 |
CN101107016B (zh) | 2011-11-16 |
US8182790B2 (en) | 2012-05-22 |
EP2243496A2 (en) | 2010-10-27 |
EP1814598A2 (en) | 2007-08-08 |
MX2007006050A (es) | 2007-11-14 |
KR20070091609A (ko) | 2007-09-11 |
WO2006054904A3 (en) | 2007-04-05 |
JP2008520658A (ja) | 2008-06-19 |
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