JP5522640B2 - シアリルラクトサミン系、シアリルルイスx系のシアル酸とフコース含有新規糖鎖化合物 - Google Patents
シアリルラクトサミン系、シアリルルイスx系のシアル酸とフコース含有新規糖鎖化合物 Download PDFInfo
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- JP5522640B2 JP5522640B2 JP2011536112A JP2011536112A JP5522640B2 JP 5522640 B2 JP5522640 B2 JP 5522640B2 JP 2011536112 A JP2011536112 A JP 2011536112A JP 2011536112 A JP2011536112 A JP 2011536112A JP 5522640 B2 JP5522640 B2 JP 5522640B2
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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- 239000006187 pill Substances 0.000 description 1
- 239000013612 plasmid Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- 230000003449 preventive effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
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- 239000004405 propyl p-hydroxybenzoate Substances 0.000 description 1
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 1
- 229940124272 protein stabilizer Drugs 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000012723 sample buffer Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- JXOHGGNKMLTUBP-HSUXUTPPSA-N shikimic acid Chemical compound O[C@@H]1CC(C(O)=O)=C[C@@H](O)[C@H]1O JXOHGGNKMLTUBP-HSUXUTPPSA-N 0.000 description 1
- JXOHGGNKMLTUBP-JKUQZMGJSA-N shikimic acid Natural products O[C@@H]1CC(C(O)=O)=C[C@H](O)[C@@H]1O JXOHGGNKMLTUBP-JKUQZMGJSA-N 0.000 description 1
- 230000009450 sialylation Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000008354 sodium chloride injection Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000008109 sodium starch glycolate Substances 0.000 description 1
- 229940079832 sodium starch glycolate Drugs 0.000 description 1
- 229920003109 sodium starch glycolate Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229940061367 tamiflu Drugs 0.000 description 1
- OULAJFUGPPVRBK-UHFFFAOYSA-N tetratriacontyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO OULAJFUGPPVRBK-UHFFFAOYSA-N 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 125000004001 thioalkyl group Chemical group 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 239000012049 topical pharmaceutical composition Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 229940118696 vibrio cholerae Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000001262 western blot Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Virology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Oncology (AREA)
- Communicable Diseases (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Epidemiology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
Siaα2-3(Siaα2-6)Galβ1-4(Fucα1-3)GlcNAc (1)
からなる糖鎖構造を有する化合物又はその塩。
Xは、O、S、NH若しくはCH2であり;
R1は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基であり;
R2は、N-アセチル-2-デオキシ-α-ノイラミン酸-2-イルである]
で表される、前記(1)の化合物又はその塩。
Siaα2-3(Siaα2-6)Galβ1-4GlcNAc (4)
からなる糖鎖構造を有する化合物又はその塩。
Xは、O、S、NH若しくはCH2であり;
R1は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基である]
で表される、前記(4)の化合物又はその塩。
Siaα2-3(Siaα2-6)Galβ1-4(Fucα1-3)GlcNAc (1)
からなる糖鎖構造を有する化合物又はその塩の製造方法であって、以下:
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成する工程;
αフコースの1-位とN-アセチルグルコサミンの3-位の間の1,3’-α-グリコシド結合をα1,3-フコース転移酵素によって形成する工程;
を含む、前記製造方法。
Siaα2-3(Siaα2-6)Galβ1-4GlcNAc (4)
からなる糖鎖構造を有する化合物又はその塩の製造方法であって、以下:
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成する工程;
を含む、前記製造方法。
本発明は、一般式:
Siaα2-3(Siaα2-6)Galβ1-4(Fucα1-3)GlcNAc (1)
又は
Siaα2-6Galβ1-4(Fucα1-3)GlcNAc (2)
からなる糖鎖構造を有する化合物又はその塩に関する。
さらに本発明は、一般式:
Siaα2-3(Siaα2-6)Galβ1-4GlcNAc (4)
で表される化合物又はその塩に関する。
本発明はまた、上記で説明した一般式(1)、(2)又は(4)からなる糖鎖構造を有する化合物の製造方法に関する。
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成するα2,6-シアル酸転移工程;
αフコースの1-位とN-アセチルグルコサミンの3-位の間の1,3’-α-グリコシド結合をα1,3-フコース転移酵素によって形成するフコース転移工程;
を含む製造方法(A)によって製造することが出来る。
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成する工程;
を含む製造方法(B)によって製造することが出来る。
N-アセチルグルコサミンと保護化試薬を反応させて、還元末端以外のヒドロキシル基を保護基で保護する保護化工程;
前記工程の生成物と脱離基導入試薬を反応させて、1-位ヒドロキシル基を脱離基に置換する置換工程;
前記工程の生成物と反応試薬を活性化剤の存在下で反応させて、還元末端を変換する変換工程;
前記工程の生成物と脱保護試薬を反応させて保護基を脱保護して、N-アセチルグルコサミンの還元末端が変換された生成物を得る脱保護工程;
を含む還元末端変換工程により、上記で説明した好適な構造に変換することが出来る。かかる還元末端変換工程は、上記で説明した製造方法(A)又は(B)を実施する前に行っても良く、製造方法(A)又は(B)を実施した後に行っても良い。
4-1. シアリダーゼ/ウィルス増殖阻害剤
本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物は、シアリダーゼによる加水分解反応に抵抗性を示し、かつウィルス粒子のタンパク質と高い結合活性を示す。また、本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物は、インフルエンザウィルスのような病原性ウィルスに対して増殖阻害活性を示す。それ故、本発明はさらに、一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を有効成分として含有するシアリダーゼ阻害剤又はウィルス増殖阻害剤を提供することが出来る。
本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物は、インフルエンザウィルスのような病原性ウィルスに対して増殖阻害活性を示す。それ故、本発明はさらに、一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を有効成分として含有する抗ウィルス薬を提供することが出来る。ここで、本発明の抗ウィルス薬の対象となるウィルス感染症としては、限定するものではないが、例えば、上記の病原性ウィルスに起因するウィルス感染症を挙げることができる。インフルエンザウィルスであることが好ましい。
本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を上記の医薬用途に適用する場合、一般式(1)又は(2)からなる糖鎖構造を有する化合物の適切な投与量は、当然ながら患者により異なる。一般に、投与量は、実質的に有害な副作用を起こさずに所望の効果を達成する局所濃度を、作用の部位において達成するように選択される。ここで、選択される投与レベルは、限定するものではないが、例えば、一般式(1)又は(2)からなる糖鎖構造を有する化合物の活性、投与経路、投与の時間、排出速度、治療の継続期間、組み合わせて使用される他の薬物、並びに患者の年齢、性別、体重、病態、全般的健康状態、及び既往歴を含む種々の因子に依存する。それ故、一般式(1)又は(2)からなる糖鎖構造を有する化合物の量及び投与経路の選択は、最終的には医師の裁量に任される。
本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を有効成分として含有する抗ウィルス薬は、該化合物を単独で被験体に投与してもよいが、一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を、該化合物と1種以上の製薬上許容される担体、補助剤、賦形剤、希釈剤、充填剤、緩衝剤、補助剤、安定剤、保存剤、滑沢剤、又は当業者に公知の他の材料、及び場合により他の薬物とを共に含む医薬組成物(例えば、製剤)として提供することもできる。それ故、本発明は、ウィルス感染症の予防又は治療に用いるための、本発明の一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩、或いは一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩と、1種以上の製薬上許容される上記成分とを含む医薬組成物を提供する。また、本発明は、一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩を、1種以上の製薬上許容される担体、補助剤、賦形剤、希釈剤、充填剤、緩衝剤、補助剤、安定剤、保存剤、滑沢剤、又は当業者に公知の他の材料、及び場合により他の薬物と混合することを含む、医薬組成物を製造する方法を提供する。さらに、本発明は、ウィルス感染症を予防又は治療するための医薬の製造のための、一般式(1)又は(2)からなる糖鎖構造を有する化合物又はその塩の使用を提供する。
市販のSiaα2-3LacNAcのカルボニル基をエステル化し、ヒドロキシル基をアセチル基で保護した。そのままTMSOTf存在下、あるいは1位をHBr/AcOHにてブロモ化した後AgOTf存在下、12-アジドドデシル-1-オールと反応させた。その後、カルボニル基とヒドロキシル基を脱保護することにより、Siaα2-3LacNAcの還元末端をドデシルアジド(C12H24N3)化した生成物を得た。
フコシル化反応に用いるα1,3-フコース転移酵素(α1,3-FucT)を、国際公開第2009/104738号パンフレットに記載の方法にしたがって調製した。
市販のSiaα2-6LacNAcのカルボニル基をエステル化し、ヒドロキシル基をアセチル基で保護した。そのままTMSOTf存在下、あるいは1位をHBr/AcOHにてブロモ化した後AgOTf存在下、12-アジドドデシル-1-オールと反応させた。その後、カルボニル基とヒドロキシル基を脱保護することにより、Siaα2-6LacNAcの還元末端をドデシルアジド化した生成物を得た。
[糖鎖固定化セファロースの調製]
0.4 mlの75%セファロース懸濁液(NHS-活性化セファロース 4 Fast Flow ラボパック、GEヘルスケア・ジャパン株式会社)を、0℃にて遠心分離して回収し、0.6 mlの1 mM HCl水溶液を加えた。上記の操作を合計3回繰り返し、セファロースを洗浄した。
以下の方法により、ヒトC型肝炎ウィルス(HCV)粒子を調製した。
糖鎖固定化セファロース懸濁液を遠心分離(8,000 rpm, 1分間)して上清を除き、これにゲルと当量のK-Mg HEPESバッファー(250 mM スクロース、150 mM 酢酸カリウム、2 mM MgCl2、50 mM HEPES(pH 7.6))を添加した。
実施例1〜3の化合物、及び実施例3の原料化合物であるSiaα2-6LacNAc-OMP(フコシル基を含まない化合物)(それぞれ100 μM)を、50 mM 酢酸ナトリウム (pH 5.5)、0.1% BSA、50 mM NaCl、10 mM CaCl2及び7.5 mU/ml ノイラミニダーゼを含有する反応溶液中に加え、25℃で撹拌することなく反応させた。なお、ノイラミニダーゼは、Vibrio cholerae由来の市販品(EC: 3.2.1.18、シグマ社)を用いた。
[ウィルス及び細胞の調製]
インフルエンザウィルス A/PR/8/1934 (H1N1)は、10日齢発育鶏卵の尿膜腔内で35℃、48時間培養し、−80℃で保存したものを使用した。
供試化合物のインフルエンザウィルス増殖阻害活性は、ウィルス収量減少量を指標に評価した。ウィルス収量減少量は、MDCK細胞を用いた時の25-100 PFUのPR8株プラーク阻害によって決定した。供試化合物を含まない対照区の溶液を用いた場合のウィルス収量減少量に対する供試化合物を含む試料溶液を用いた場合のウィルス収量減少量の比を、インフルエンザウィルス増殖阻害率(%)として算出した。
Claims (9)
- 式:
[式中、
Xは、Oであり;
R1は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基であり;
R2は、N-アセチル-2-デオキシ-α-ノイラミン酸-2-イルである]
で表される化合物又はその塩。 - XがOであり、かつR1が水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のアリール基又は置換若しくは非置換のアラルキル基であり、R2がN-アセチル-2-デオキシ-α-ノイラミン酸-2-イルである、請求項1の化合物又はその塩。
- 式:
[式中、
Xは、Oであり;
R1は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基である]
で表される化合物又はその塩。 - XがOであり、かつR1が水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のアリール基又は置換若しくは非置換のアラルキル基である、請求項3の化合物又はその塩。
- 請求項1又は2の化合物又はその塩を含有するシアリダーゼ阻害剤。
- 式:
[式中、
Xは、Oであり;
R 1 は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基であり;
R 2 は、N-アセチル-2-デオキシ-α-ノイラミン酸-2-イルである]
で表される化合物又はその塩の製造方法であって、以下:
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成する工程;
αフコースの1-位とN-アセチルグルコサミンの3-位の間の1,3’-α-グリコシド結合をα1,3-フコース転移酵素によって形成する工程;
を含む、前記製造方法。 - 式:
[式中、
Xは、Oであり;
R 1 は、水素、置換若しくは非置換のアルキル、アルケニル若しくはアルキニル基、置換若しくは非置換のシクロアルキル若しくはシクロアルケニル基、置換若しくは非置換のアリール基、置換若しくは非置換のアラルキル基、置換若しくは非置換の脂肪族複素環基、置換若しくは非置換の芳香族複素環基、アミノ酸、ペプチド又は糖基である]
で表される化合物又はその塩の製造方法であって、以下:
αシアル酸の2-位とガラクトースの6-位の間のエーテル結合をα2,6-シアル酸転移酵素によって形成する工程;
を含む、前記製造方法。 - 請求項1又は2の化合物又はその塩を有効成分として含有する抗ウィルス薬。
- 前記ウィルスがインフルエンザウィルスである、請求項8の抗ウィルス薬。
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JP2006223198A (ja) * | 2005-02-17 | 2006-08-31 | National Institute Of Advanced Industrial & Technology | 転移酵素による化合物ライブラリーおよびその製造方法 |
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JP2007527539A (ja) * | 2004-03-05 | 2007-09-27 | ザ スクリプス リサーチ インスティテュート | ハイスループットグリカンマイクロアレイ |
JP2007297521A (ja) * | 2006-04-28 | 2007-11-15 | Noguchi Inst | 多様性を表現するオリゴ糖またはその誘導体 |
JP2007308444A (ja) * | 2006-05-22 | 2007-11-29 | Kitasato Gakuen | シアル酸含有糖鎖複合体及びその製造方法、並びに、該シアル酸含有糖鎖複合体を含有する抗インフルエンザウイルス剤 |
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