JP6760657B2 - タイトジャンクションの緩和剤、該緩和剤を含む薬剤吸収補助剤、及び該緩和剤を含む医薬組成物 - Google Patents
タイトジャンクションの緩和剤、該緩和剤を含む薬剤吸収補助剤、及び該緩和剤を含む医薬組成物 Download PDFInfo
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/16—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing nitrogen, e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/22—Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/196—Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/34—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
- A61K31/341—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide not condensed with another ring, e.g. ranitidine, furosemide, bufetolol, muscarine
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/38—Heterocyclic compounds having sulfur as a ring hetero atom
- A61K31/381—Heterocyclic compounds having sulfur as a ring hetero atom having five-membered rings
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
ここでR4およびR5は、水素、ヒドロキシ、ハロゲン、低級アルキル、低級アルコキシまたはヒドロキシ(低級)アルキルであり、R4およびR5が同時にヒドロキシおよび低級アルコキシであることはなく;
R1は、非置換、またはハロゲン、低級アルキル、ヒドロキシ、オキソ、アリールまたは複素環基により置換された、二価の飽和または不飽和の低または中級の脂肪族炭化水素残基であり、脂肪族炭化水素中の少なくとも1つの炭素原子は所望により酸素、窒素または硫黄により置換されており;そして
Raは、非置換、またはハロゲン、オキソ、ヒドロキシ、低級アルキル、低級アルコキシ、低級アルカノイルオキシ、シクロ(低級)アルキル、シクロ(低級)アルキルオキシ、アリール、アリールオキシ、複素環基または複素環オキシ基により置換された、飽和または不飽和の低または中級の脂肪族炭化水素残基;低級アルコキシ;低級アルカノイルオキシ;シクロ(低級)アルキル;シクロ(低級)アルキルオキシ;アリール;アリールオキシ;複素環基;複素環オキシ基である]。
(3)上記(1)に記載のタイトジャンクションの緩和剤を含む医薬組成物。
まず、Protein Data Bank(PDB)からマウスLNX1p80のPDZ2ドメインのPDBファイル(PDB ID:3VQF)を入手した。次に、ナミキ商事株式会社のオンライン化合物構造検索サイトChemCupid(登録商標、http:://www.namiki‐s.co.jp/chemcupid/)において、アントラニル酸部位をもつ化合物の検索を行った。その結果得られた化合物について、LigandBox(http:www.ligandbox.protein.osaka−u.ac.jp/ligandbox/)とデータの照合を行い、当該化合物のMOL2ファイルを入手し、フォーカストライブラリーを構築した。タンパク質−リガンド・ドッキングソフトウェアGOLD Suiteに付属する分子ビューワーHermesを立ち上げ、GOLDのWizardを選択し、Load Proteinボタンで目的タンパク質のPDBファイルを開き、その後は、マニュアルにしたがって、操作をした。以下に、候補化合物リストを記載する。なお、式(4)〜(32)、式(33−1)〜(33−11)、式(34−1)〜(34−14)、式(35−1)〜(35−2)、式(36−1)〜(36−2)で表す化合物はナミキ商事株式会社から購入することができる。
候補化合物から化合物をピックアップし、以下の手順でタイトジャンクション形成に与える影響についてアッセイを行った。
細胞は、イヌ腎臓尿細管上皮細胞株MDCKII(Madin−Darby Canine Kidny Cell StrainII;本研究では神戸大学の古瀬幹夫教授から入手した細胞を用いたが、DSファーマバイオメディカル株式会社からも購入可能である)を用いた。この細胞は10%FBS(gibco)、penicillin/streptomycin(gibco)を含むD−MEM培地(Wako)で培養した。
ウサギ抗CLD2抗体はシグマアルドリッチ社より購入した。2次抗体であるCy3標識抗ウサギIgG抗体、FITC標識抗マウスIgG抗体はシグマアルドリッチ社より購入した。
6well dishの各ウェルにカバーガラスを入れ、そこに30×104のMDCKII細胞を播種し、37℃、5%CO2環境で24hインキュベートした。その後、D−MEM培地に100μM、DMSO濃度0.1%になるように式(33−1)、(33−9)、(34−1)、(34−2)、(34−6)、(36−1)、(13)及び(14)で表される化合物を混合し、細胞に添加した後、37℃、5%CO2環境で48hインキュベートした。
インキュベート後、FBS、抗生物質を含有していないD−MEM培地で2回洗浄後、−20℃の冷メタノールをかけ、−20℃で20min静置することでカバーガラスに細胞を固定化した。その後、TBS−T(100mM Tris−HCl,150mM NaCl,pH7.5,0.1%Tween 20)で洗浄後、ブロッキング溶液(5%スキムミルク in TBS−T)を加え、室温で1hインキュベートした。その後、ブロッキング溶液で希釈した1次抗体希釈液をパラフィルム上に乗せ、そこに細胞固定面が向くようにカバーガラスをかぶせ、4℃、湿潤環境で23hインキュベートした。その後、カバーガラスを回収し、TBS−Tで2回洗浄した。そして、ブロッキング溶液で希釈した2次抗体希釈液をパラフィルム上に乗せ、そこに細胞固定面が向くようにカバーガラスをかぶせ、室温、遮光環境で1hインキュベートした。その後、カバーガラスを回収しTBS−Tで2回洗浄後、TBS−Tで希釈したDAPI(4’,6−ジアミジノ−2−フェニルインドール二塩酸塩)溶液(DOJINDO,(1:1000))をかけ、室温、遮光条件で5minインキュベートした。その後、TBS−Tで3回洗浄後、封入剤によりカバーガラスを封入した。これらのサンプルはOLYMPUS社の顕微鏡IX71を用いて顕微鏡観察した。なお、コントロールとして、0.1%ジメチルスルホキシド(DMSO)に暴露した細胞を用いた。
<ヒト> ID:Q8TBB1のアミノ酸番号377−463(87配列)
<マウス> ID:O70263のアミノ酸番号381−467(87配列)
<イヌ> ID:E2RBE8のアミノ酸番号381−467(87配列)
ヒト、マウス、イヌのLNX1PDZ2ドメインのアミノ酸配列(上記87配列)の相同性は、ヒトとマウスは95%、ヒトとイヌは94%、マウスとイヌは94%と非常に高かった。また、クローディンが相互作用する面に位置するアミノ酸の配列(上記87配列の18番目のグリシン〜23番目のアルギニン、及び66番目のプロリン〜74番目のグルタミン)は、ヒト、マウス、イヌで完全に一致していた。したがって、式(33−1)、(33−9)、(34−1)、(34−2)、(34−6)及び(36−1)で表される化合物は、ヒトのタイトジャンクションの緩和にも用いることができる。
Claims (2)
- 下記式(33−1)、(33−9)、(34−1)、(34−2)、(34−6)及び(36−1)で表される化合物を少なくとも1種含むタイトジャンクションの緩和剤。
- 請求項1に記載のタイトジャンクションの緩和剤を含む薬剤吸収補助剤。
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