JP2018507164A - 光により活性化される二成分タンパク質結合マトリックス - Google Patents
光により活性化される二成分タンパク質結合マトリックス Download PDFInfo
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- 239000011737 fluorine Substances 0.000 description 1
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- 238000010353 genetic engineering Methods 0.000 description 1
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- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
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- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
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- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
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- 125000003387 indolinyl group Chemical group N1(CCC2=CC=CC=C12)* 0.000 description 1
- 125000003406 indolizinyl group Chemical group C=1(C=CN2C=CC=CC12)* 0.000 description 1
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- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
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- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 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
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 239000013642 negative control Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
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- 239000013600 plasmid vector Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
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- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
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- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
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- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本出願は、2014年10月30日に出願された米国仮出願第62/072,727号明細書の利益を主張する。上記出願の教示全体が参照により本明細書に援用される。
Xは酸素であり、および
YはSeまたはC(CH3)2である。
[アプタマー]−[リンカー]−[目的の分子] (V)
で示すように、リンカーは、アプタマーおよび目的の分子の両方に同時に結合することができる。
図2は、スピロピラン分子で修飾したプレートへの様々なペプチドの結合を表す棒グラフである。スピロピラン修飾プレートに結合するための親和性に関して2種のビオチン化ペプチド、即ちEYSPKLFPPHRLGK(配列番号56)およびLAGPQMHGK(配列番号62)を試験し、ビオチン化陰性コントロールペプチドとして作用するS.pepも試験した。吸光度は、どの程度のビオチン化ペプチドが洗浄後にスピロピラン修飾プレートに結合したままかを表す。インキュベーション条件および洗浄条件を下記で説明する。
図3は、スピロピラン分子で選択的に修飾されているビーズへのペプチドの結合を表す折れ線グラフである。選択的に修飾されているビーズを、示した時間の長さにわたり10μMのペプチドB7(LAGPQMHGK(配列番号62))と共にインキュベートし、次いでリン酸緩衝生理食塩水(PBS)で2回洗浄した。ビーズを1μMのセイヨウワサビ(HRP)共役ストレプトアビジンと共にインキュベートし、残留するHRP−ストレプトアビジンを溶液中で測定した。図3は、インキュベートした期間後のビーズの吸光度を%で示す。吸光度が高いほど、バルク溶液中のストレプトアビジンの濃度が高い。時間=60分において矢印で示すように、ストレプトアビジン修飾ビーズが時間=60分で光に曝露された場合、ストレプトアビジンが遊離してバルク溶液中に戻った。
1mLのアガロースビーズを2カラム体積のDMSO(無水状態でボトルから取り出す)で洗浄する。別の容器中で、2.5mgのスピロピランおよび80mgのEDCおよび100mgのNHSを混合する。これらの化合物をDMSOに溶解させ、室温で10分間待つ。この混合物にビーズ(DMS中である)を添加する。良好な混合/懸濁を確認する。即ち、DMSOがマトリックス全体を完全に懸濁させるのに十分であるかを確認する。12時間撹拌する。修飾されたマトリックスを20カラム体積のDMSOで洗浄し、遊離している化合物を洗い落とす。DMSOを20カラム体積の水で除去する。次いで、水中でまたは20%エタノール中で貯蔵する。ビーズ共役技術の例に関して図7を参照されたい。
Liu,Y.,Fan,M.,Zhang,S.,Sheng,X.&Yao,J.Basic amino acid induced isomerization of a spiropyran:towards visual recognition of basic amino acids in water.New J Chem(2007)。
Claims (30)
- 異性化可能な有機分子である第1の結合メンバーと、
異性体特異的親和性因子である第2の結合メンバーと
を含み、
前記異性化可能な有機分子が、第1の条件下で前記第2の結合メンバーに対してある結合親和性を有し、かつ第2の条件下で前記第2の結合メンバーに対して異なる結合親和性を有する、結合対。 - 結合親和性の差異は、前記第1の結合メンバーと前記第2の結合メンバーとが第1の条件下で会合し、かつ第2の条件下で解離するようなものである、請求項1に記載の結合対。
- 前記異性体特異的親和性因子がペプチドアプタマーまたは核酸アプタマーを含む、請求項1に記載の結合対。
- 前記異性体特異的親和性因子が、前記ペプチドアプタマーまたは前記核酸アプタマーに共有結合的に連結されているリンカーを更に含み、前記リンカーは目的の分子に非共有結合的にまたは共有結合的に結合可能である、請求項3に記載の結合対。
- 前記ペプチドアプタマーが、
a)ジペプチド、
b)3〜6個のアミノ酸を有するポリペプチド、
c)7個のアミノ酸を有するポリペプチド、
d)8〜11個のアミノ酸を有するポリペプチド、
e)12個のアミノ酸を有するポリペプチド、
f)13〜52個のアミノ酸を有するポリペプチド、または
g)52個を超えるアミノ酸を有するポリペプチド
である、請求項3または4に記載の結合対。 - 前記ペプチドアプタマーが、3〜18個のアミノ酸を有するポリペプチドである、請求項3〜5のいずれか一項に記載の結合対。
- 前記リンカーがプロテアーゼ感受性の切断部位を含む、請求項1〜6のいずれか一項に記載の結合対。
- 前記第1の条件が、光、低輝度の光、暗闇、熱、pH、ストレス、イオン、前記異性体特異的親和性因子またはこれらの組合せへの曝露であり、および前記第2の条件が、前記第1の条件と異なる光、低輝度の光、暗闇、熱、pH、ストレス、イオン、前記異性体特異的親和性因子またはこれらの組合せへの曝露である、請求項1〜6のいずれか一項に記載の結合対。
- a)前記第1の条件が、可視スペクトルもしくはその一部上の広範囲の波長の光への曝露であり、および前記第2の条件が、紫外スペクトルもしくはその一部上の広範囲の波長の光への曝露であるか、
b)前記第1の条件が、可視スペクトルもしくはその一部上の波長の光への曝露であり、および前記第2の条件が、前記第1の条件と異なる低輝度の光もしくは暗闇への曝露であるか、または
c)前記第1の条件が、ある波長の光への曝露であり、および前記第2の条件が、前記第1と10ナノメートル超の波長だけ異なる波長の光への曝露である、請求項1〜8のいずれか一項に記載の結合対。 - 前記異性化可能な有機分子が光異性化可能な有機分子である、請求項1〜9のいずれか一項に記載の結合対。
- 前記光異性化可能な有機分子がスピロピランコア構造を有する、請求項10に記載の結合対。
- 前記光異性化可能な有機分子が、式(I):
式中、R1、R2、R3、R4、R5、R6、R7、R8およびR9が同一であるか、または異なり、かつそれぞれ独立して、水素、(C1〜C20)アルキルもしくは置換アルキル、(C2〜C20)アルケニル、(C2〜C20)アルキニル、(C6〜C10)アリール、(5〜12個の原子の)ヘテロアリール、(C1〜C20)アルコキシ、アミノ、ハロゲン、シアノ、トリクロロメチル、トリフルオロメチル、ニトロ、マレイミド、硫黄、−C(O)−OH、アジドまたはHO−(O)C−(C1〜C3)アルキルから選択され、
Xが酸素であり、および
YがSeまたはC(CH3)2である、請求項11に記載の結合対。 - 目的の分子を選択的に結合および遊離させる方法であって、
a)第1の異性体立体配置における異性化可能な有機分子で被覆されているか、またはそれに共有結合的に連結されている固体基材を準備すること、
b)第1の条件下で、前記被覆固体基材と、異性体特異的親和性因子に共役している目的の分子を含む溶液とを接触させて、前記親和性因子と前記固体基材上を被覆する前記異性化可能な有機分子との間に複合体を形成すること、
c)工程(b)で形成された前記複合体を洗浄して、前記複合体と会合していない物質を除去すること、および
d)前記第1の異性体立体配置における前記異性化可能な分子を、(例えば適切な異性化誘発因子の適用により)第2のまたは更なる条件下で第2のまたは更なる異性体立体配置へと変換することであって、前記有機分子の前記第2のまたは更なる異性体立体配置への前記変換により、前記目的の分子が前記異性化可能な有機分子から解離することが可能となる、変換すること
を含む方法。 - 前記異性化可能な有機分子および前記異性体特異的親和性因子が共に請求項1〜12のいずれか一項に記載の結合対である、請求項13に記載の方法。
- 前記異性化可能な有機分子が光異性化可能な有機分子、例えばスピロピランコア構造を有する有機分子である、請求項13に記載の方法。
- 前記適切な異性化誘発因子が、特定のまたは広範囲の波長の光を照射するように構成されている光源、例えば発光ダイオードまたはランプである、請求項13〜15のいずれか一項に記載の方法。
- 前記適切な異性化誘発因子が熱源または冷却源である、請求項13〜15のいずれか一項に記載の方法。
- 前記目的の分子を精製、分離、単離、またはパターン化するために実施される、請求項13〜17のいずれか一項に記載の方法。
- 工程(a)の前に、前記固体基材を、前記第1の異性体立体配置における前記異性化可能な有機分子で被覆するか、またはそれと共有結合的に連結させることを更に含む、請求項13〜18のいずれか一項に記載の方法。
- 前記第1の異性体立体配置における前記異性化可能な有機分子が式(IV−1a)または(V−1a):
前記第2のまたは更なる異性体立体配置における前記異性化可能な有機分子が式(IV−1)または(V−1):
式中、R1が、水素、(C1〜C20)アルキルもしくは置換アルキル、(C2〜C20)アルケニル、(C2〜C20)アルキニル、(C6〜C10)アリール、(5〜12個の原子の)ヘテロアリール、(C1〜C20)アルコキシ、アミノ、ハロゲン、シアノ、トリクロロメチル、トリフルオロメチル、ニトロ、マレイミド、硫黄、−C(O)−OH、アジドまたはHO−(O)C−(C1〜C3)アルキルから選択される、請求項13に記載の方法。 - 前記固体基材がハウジング中に配置され、および工程(c)の洗浄が、前記ハウジングを通して溶液を洗浄して、前記固体基材複合体と会合していない物質を除去することを更に含む、請求項13〜20のいずれか一項に記載の方法。
- 前記目的の分子が、タンパク質、抗体、薬剤、核酸、ポリマー、有機分子、金属イオンまたはペプチドである、請求項13〜21のいずれか一項に記載の方法。
- 前記異性体特異的親和性因子が、LAREPTS(配列番号1)、HELVRSP(配列番号2)、WALDRGA(配列番号3)、APSTPTP(配列番号4)、SMPQTAG(配列番号5)、EPLQLKM(配列番号6)、ATPLWLK(配列番号7)、AKIDART(配列番号8)、YNHQRPP(配列番号9)、ALIPKPR(配列番号10)、QLITKPL(配列番号11)、STPIQQP(配列番号12)、TFAKSAY(配列番号13)、STFTKSP(配列番号14)、TPAHNDY(配列番号15)、SLSLIQT(配列番号16)、NQDVPLF(配列番号17)、GPHLGLK(配列番号18)、LAGPQMH(配列番号19)、SQASSLK(配列番号20)、SDLSSPY(配列番号21)、LVTTWPA(配列番号22)、ALYKNTS(配列番号23)、QQISTQM(配列番号24)、AWLPAGA(配列番号25)、GTWLSRG(配列番号26)、GHQVSRL(配列番号27)、GPMLARG(配列番号28)、TASLVRP(配列番号29)、TDSLRLL(配列番号30)、AKPDWRF(配列番号31)、VQTYARV(配列番号32)、YTEPVRE(配列番号33)、MSLQQEH(配列番号34)、MKWQTV(配列番号35)、NERALTL(配列番号36)、SPSTHWK(配列番号37)、WSTTNVP(配列番号38)、YHKLDPL(配列番号39)、LSNNNLR(配列番号40)、LPAGRVL(配列番号41)、STSFWIT(配列番号42)、LGSPMSN(配列番号43)、WELRPRT(配列番号44)、TNIESLK(配列番号45)、LYAEVIR(配列番号46)、NHSTQMY(配列番号47)、NLQIYAV(配列番号48)、YDTSSAS(配列番号49)、MHSNTWD(配列番号50)、TPTTVSY(配列番号51)、TSHSILQ(配列番号52)、TLRVPPNPNMNV(配列番号53)、HVKLVAVADLMN(配列番号54)、YHPNGMNPYTKA(配列番号55)、EYSPKLFPPHRL(配列番号56)、HHLTHANSLTNT(配列番号57)、WHWGLLYPASAN(配列番号58)、KPLMTYKVIHYV(配列番号59)、QPDLSHPSTNAY(配列番号60)、FPTNLATRSAMV(配列番号61)、LAGPQMHGK(配列番号62)、PLRPKSEYPFHY(配列番号63)、SYSPKLFPPHRL(配列番号64)、SDLSSPYG(配列番号65)、SDLSSPYGG(配列番号66)、SDLSSPYGGC(配列番号67)もしくはEYSPKLFPPHRLGK(配列番号68)、またはグリシンがC末端に付加されている配列番号1〜67のいずれか1つ、または1種もしくは複数のアミノ酸がN末端もしくはC末端のいずれかに付加されている配列番号1〜67のいずれか1つから選択されるペプチドアプタマーを含む、請求項13〜22のいずれか一項に記載の方法。
- 前記固体基材がビーズ、例えばアガロースビーズである、請求項13〜23のいずれか一項に記載の方法。
- 目的の分子を選択的に結合および遊離させるためのクロマトグラフ装置であって、
ハウジングと、
前記ハウジング内に充填されている被覆固体基材であって、被覆が、第1の異性体立体配置、第2のもしくは更なる異性体立体配置またはこれらの組合せにおける光異性化可能な有機分子である、被覆固体基材と、
前記第1の異性体立体配置における前記光異性化可能な有機分子を第2のまたは更なる異性体立体配置へと変換するのに適した波長の少なくとも1個の光源と
を含み、
前記被覆固体基材が前記少なくとも1個の光源と光接触する、クロマトグラフ装置。 - 前記被覆固体基材が複数の被覆ビーズである、請求項25に記載の装置。
- カラム、多孔質膜またはフィルタである、請求項26に記載の装置。
- 前記第1の異性体立体配置における前記光異性化可能な有機分子が式(IV−1a)または(V−1a):
前記第2のまたは更なる異性体立体配置における前記光異性化可能な有機分子が式(IV−1)または(V−1):
式中、R1が、水素、(C1〜C20)アルキルもしくは置換アルキル、(C2〜C20)アルケニル、(C2〜C20)アルキニル、(C6〜C10)アリール、(5〜12個の原子の)ヘテロアリール、(C1〜C20)アルコキシ、アミノ、ハロゲン、シアノ、トリクロロメチル、トリフルオロメチル、ニトロ、マレイミド、硫黄、−C(O)−OH、アジドまたはHO−(O)C−(C1〜C3)アルキルから選択される、請求項25〜27のいずれか一項に記載の装置。 - 目的の分子を選択的に結合させるためのキットであって、
請求項1〜12のいずれか一項に記載の結合対と、
前記親和性因子を目的の分子に結合させ、かつ前記異性化可能な有機分子に更に選択的に結合させ、および任意選択的にそれから前記親和性因子を遊離させるための説明書と
を含むキット。 - 前記異性化可能な有機分子が光異性化可能な有機分子である場合に、前記第1の異性体立体配置における前記光異性化可能な有機分子を第2のまたは更なる立体配置へと変換するのに適した広範囲のまたは特定の波長の光源を更に含む、請求項29に記載のキット。
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