JP5688899B2 - 生物試料用標識剤並びに該標識剤を用いた標識方法及びスクリーニング方法 - Google Patents
生物試料用標識剤並びに該標識剤を用いた標識方法及びスクリーニング方法 Download PDFInfo
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- JP5688899B2 JP5688899B2 JP2009292716A JP2009292716A JP5688899B2 JP 5688899 B2 JP5688899 B2 JP 5688899B2 JP 2009292716 A JP2009292716 A JP 2009292716A JP 2009292716 A JP2009292716 A JP 2009292716A JP 5688899 B2 JP5688899 B2 JP 5688899B2
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- 239000002184 metal Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- RIVIDPPYRINTTH-UHFFFAOYSA-N n-ethylpropan-2-amine Chemical compound CCNC(C)C RIVIDPPYRINTTH-UHFFFAOYSA-N 0.000 description 1
- 230000001123 neurodevelopmental effect Effects 0.000 description 1
- 230000007135 neurotoxicity Effects 0.000 description 1
- 231100000228 neurotoxicity Toxicity 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 210000004940 nucleus Anatomy 0.000 description 1
- 210000000287 oocyte Anatomy 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002993 phenylalanine derivatives Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 231100000205 reproductive and developmental toxicity Toxicity 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000007447 staining method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000008054 sulfonate salts Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000006296 sulfonyl amino group Chemical group [H]N(*)S(*)(=O)=O 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 125000006253 t-butylcarbonyl group Chemical group [H]C([H])([H])C(C(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 231100000041 toxicology testing Toxicity 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 125000002987 valine group Chemical class [H]N([H])C([H])(C(*)=O)C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 210000003462 vein Anatomy 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
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C07D209/04—Indoles; Hydrogenated indoles
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Description
次に化合物の典型的な合成例1〜2を示す。アルデヒド誘導体、化合物(B)を変更させ、適当な酸又は塩基とともに加熱還流させる事により目的とする化合物を得る事が出来る。
色素化合物(1)の合成
アルデヒド誘導体(A−2)3.0g(11.4mmol)の酢酸20mL溶液に化合物(B−20)2.2g(11.5mmol)、酢酸アンモニウム0.9gを添加して、還流下2時間攪拌させた。反応終了後、冷却させながら、ゆっくり水50mLを滴下して室温まで冷却した。析出した個体をろ過して、水100mLで2回洗浄し、更に、2−プロパノール50mLで洗浄して、目的物(1)3.2g(収率64.4%)を得た。
[1]1H NMR(400MHz、DMSO−d6、室温):δ[ppm]=1.36−1.40(m、1H)、1.63−1.81(m、4H)、2.04−2.08(m、1H)、3.89(t、1H、J=8.47Hz)、4.73(s、2H)、5.06(t、1H、J=7.10Hz)、6.93(d、1H、J=8.24Hz)、7.15(t、1H、J=7.10Hz)、7.38−7.46(m、6H)、7.74(s、1H)。
図1にスペクトル図を示す。
色素化合物(7)の合成
アルデヒド誘導体(A−16)3.43g(10.0mmol)のトルエン20mL溶液に、化合物(B−7)1.13g(10.0mmol)とピペリジン2.5g(30.0mmol)を添加して、還流下2.5時間攪拌させた。反応終了後、室温まで冷却させ、トルエン100mLで希釈した後、水100mLを添加し攪拌した。静置後、有機層を分液して無水硫酸ナトリウムで乾燥させた。ろ過した後、減圧下、トルエンを留去して、エタノールから再結晶して、目的物(7)1.3g(収率31.7%)を得た。
[1]1H NMR(400MHz、DMSO−d6、室温):δ[ppm]=1.36−1.47(m、1H)、1.64−1.81(m、4H)、2.04−2.13(m、1H)、3.90(t、4H、J=8.93Hz)、5.18(s、1H)、6.89(d、1H、J=8.24Hz)、7.19(dd、1H、J=2.52、8.93Hz)、7.34(d、1H、J=2.29Hz)、7.55(dd、1H、J=2.29、8.70Hz)、7.75(d、1H、J=8.7Hz)、7.83(t、2H、J=4.58Hz)、7.89(d、1H、J=8.7Hz)、7.95(s、1H)、8.07(s、1H)。
[2]質量分析(ESI−TOF):m/z=409.1574(M)-。
[生物試料用標識剤でのin vivoによる標識]
ウエルプレートの1箇所に5匹のゼブラフィッシュの稚魚を飼育水ごと入れた。飼育水を廃棄し、蒸留水1mLを加え、10ng/mLになるように色素化合物(1)のDMSO溶液を加え、軽く攪拌(ピペッティング)した。又、人工海水シーライフ(マリンテック社製)を60mg/Lで蒸留水に溶解して、Egg Waterを調整した。1時間放置した後、ウエル中の蒸留水を廃棄し、新鮮なEgg Water 1mLで置換した。更に、Egg Waterを廃棄し、新鮮なEgg Water 1mLで置換する事を2回繰り返した。ウエルから稚魚をシャーレ上に1匹取り出し、3%メチルセルロース水溶液を100μL加え稚魚の動きを固定し、実体顕微鏡(MZ10F:ライカマイクロシステムズ社製)で撮影した。
実施例1において使用した色素化合物(1)を表1に記載した色素化合物に変更した以外は、実施例1と同様の操作を行った。撮影した代表的な写真を図3から図7に示す。図3は、実施例6で観測された一部の写真(血管)を示す。図4は、実施例15で観測された一部の写真(鼻)を示す。図5は、実施例52で観測された一部の写真(血管、肝臓、胆嚢、消化管)を示す。図6は、染色剤暴露をしていない状態で観測された写真(自家蛍光)を示す。図7は、実施例52で観測された一部の拡大写真(肝臓、胆嚢、消化管)を示す。
実施例1において使用した色素化合物(1)をインドシアニングリーン(ICG)、フルオレセインに変更した以外は、実施例1と同様の操作を行った。
[染色性]
前記標識実施例1〜78、前記標識比較例1〜2をそれぞれ、染色性を目視による評価(+++:染色される、−:染色されない)を行った。
前記標識実施例1〜78、前記標識比較例1〜2をそれぞれ、蛍光強度を目視による評価(+++:強度に観測される、++:中度に観測される、+:弱度に観測される、−:染色されない)を行った。
前記標識実施例1〜78、前記標識比較例1〜2の各色素化合物を10ng/mLのDMSO溶液を調製し、ガラス製の密閉容器に入れ、常温で1ヶ月間静止放置した。保存安定性テストの開始時の吸光度及び蛍光強度を所定の波長で測定しその変化率を調べた。(+++:吸光度及び蛍光強度の変化率が5%未満で、保存安定性に非常に優れる、++:吸光度及び蛍光強度の変化率が5〜15%で、保存安定性に優れる、−:吸光度及び蛍光強度の変化率が15%より大きく、保存安定性が悪い)を行った。
[生物試料用標識剤でのex vivoによる標識]
実施例5の操作によって染色されたゼブラフィッシュを取り出して4%パラフォルムアフデヒド(PFA)のPBS溶液で固定後、リニアスライサーPRO7(堂阪イーエム社製)を用いて50μm厚の組織切片を作製した(表3)。MASコートスライドガラス(松浪硝子工業社製)上に切片を回収し、Fluoromount G(Southem Biotechnology社製)をマウントしてカバーグラスをかけた。得られたスライドを実体蛍光顕微鏡(ライカマイクロシステムズ社製 MZ16FA)及び倒立型蛍光顕微鏡(カールツァイス社製 Axiovert 200M)で観察した。
[生物試料用標識剤でのin vitroによる標識]
表3に示されるヒト凍結組織切片スライド(BioChain社製)を、表3に示す色素化合物の10ng/mL水溶液に1時間浸漬した。次に、スライドをPBSで10分3回洗浄し、Fluoromount G(Southem Biotechnology社製)をマウントしてカバーグラスをかけた。スライドを実体蛍光顕微鏡(ライカマイクロシステムズ社製 MZ16FA)及び倒立型蛍光顕微鏡(カールツァイス社製 Axiovert 200M)で観察し、染色性と蛍光強度を評価した。
Claims (3)
- 下記式(1),(2),(3),(5),(6),(7),(11),(13),
(14),(17),(18),(20),(22),(23),(24),(25),
(29),(30),(31),(34),(35),(37),(38),(40),
(42),(43),(44),(45),(46),(50),(51),(54),
(56),(59),(60),(62),(66),(67),(68),(69),
(72),(73),(76),(77),(78),(79),(81),(88),
(102),(103),(105),(108),(109),(110),(115),(116),(123),(124),(127),(128),(129),(130),(131),(132),(133),(134),(135),(136),(137),(138),(139),(140),(141)及び(142)で表される化合物のうち少なくとも1種を有効成分として含む
ことを特徴とする生物試料用標識剤;
- 請求項1に記載の生物試料用標識剤と生物試料(ヒトを除く)を接触させて染色又は分染する標識方法。
- 請求項1に記載の生物試料用標識剤と生物試料(ヒトを除く)を接触させて染色又は分染する標識方法であって、
ヒトを除く生物個体、微生物、原虫、生物組織、生物組織切片、ヒト細胞、動物細胞をin vitro若しくはex vivoで用い、または、ヒトを除く生物個体、微生物、原虫、生物組織、生物組織切片又は動物細胞をin vivoで用いる標識方法。
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