JP2017519723A - 免疫疾患治療効果を有する新規化合物およびその使用 - Google Patents
免疫疾患治療効果を有する新規化合物およびその使用 Download PDFInfo
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- C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
- C07C279/20—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups containing any of the groups, X being a hetero atom, Y being any atom, e.g. acylguanidines
- C07C279/24—Y being a hetero atom
- C07C279/26—X and Y being nitrogen atoms, i.e. biguanides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
- C07C279/18—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to carbon atoms of six-membered aromatic rings
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Abstract
Description
で表される新規化合物またはその薬学的に許容される塩を提供することができる。
(1)免疫疾患の進展を抑制すること、すなわち、その発展を遮断すること、
(2)免疫疾患の拡散を予防すること、すなわち、その転移を予防すること、
(3)免疫疾患を緩和すること、
(4)免疫疾患の再発を予防すること、および
(5)免疫疾患の症状を軽減すること
の1以上を含んでいてもよい。
免疫疾患に対して治療効果を有する本発明の新規化合物の合成
以下の表1の化学式で表される新規化合物を以下の反応式に従って製造した。具体的には、密封可能な反応容器中において、それぞれの化合物に対応するアニリン化合物(1.0mmol)をアセトニトリル溶媒に溶解させた後、ジシアノジアミド(1.0mmol)および濃硫酸(1.0mmol)を加えた。反応容器を密封した後、反応混合物を175℃で1時間撹拌した。反応混合物を室温に冷却して白色固体を得た。溶媒を除去した後、得られた固体をヘキサンおよびイソプロピルアルコールで洗浄して、白色固体の化合物を合成した。
<1>分析対象細胞
本発明において新しく合成した各化合物によって、免疫疾患を治療および予防することができるかどうかを確認するため、本発明者らは以下の実験群に基づいて以下の実験を行った。
本発明において合成された化合物が細胞傷害性を起こすかどうかを評価するため、MTTアッセイを行った。各細胞を96ウェルプレートの各ウェルに加え(ウェル当たり2×105個)、所定の濃度の本発明の化合物で処理し、72時間インキュベートした。MTT溶液(0.5%、3−(4,5−ジメチルチアゾール−2−イル)−2,5−ジフェニル−2H−テトラゾリウムブロマイド)を各細胞に加え、さらに4時間インキュベートした。ELISA(酵素結合免疫吸着測定法)リーダーを使用して540nmで吸光度を測定し、細胞傷害性を測定した。
本発明の新規化合物が血清中の総IgG抗体、総IgG1抗体および総IgG2a抗体の産生に影響を及ぼすかどうかを評価するため、酵素結合免疫吸着測定法(ELISA)を行った。すなわち、本発明の化合物で処理した細胞において、総IgG量ならびに抗体特異的なIgG1およびIgG2aの量をサンドイッチELISA法により測定した。96ウェルプレートにおいて、それぞれのIgGに対応するモノクローナル抗マウスIgGとCIIとを室温で1時間反応させた。ブロッキング溶液(1%BSA/PBST)を加えて、非特異的結合をブロックした。マウス対照血清の2倍段階希釈系列を作製し、基準(スタンダード)として用いた。上記反応混合物に細胞培養の上清を加え、室温で1時間反応させた。次いで、抗マウスIgG−HRPおよび抗マウスIgG2a−HRPと室温で1時間反応させた後、4回洗浄した。得られた反応混合物をTMBシステムで発色させ、450nm波長で吸光度を測定した。
炎症および免疫疾患の原因物質である炎症性サイトカインの産生に本発明の新規化合物が影響を及ぼすかどうかを評価するため、IL−17、IL−6、TNF−α、IFN−γ、MMP−9、およびSTAT−3の産生量およびそのmRNA発現量を測定した。本発明の化合物で処理して培養した細胞から上清を得た後、酵素結合免疫吸着測定(ELISA)法を用いて分析して、炎症性サイトカインの産生量を測定した。具体的には、各細胞とサイトカイン特異的抗体(抗IL−17抗体、抗IL−6抗体、抗TNF−α抗体、抗IFN−γ抗体、抗MMP−9抗体および抗STAT−3抗体)とを4℃で一晩反応させた。ブロッキング溶液(1%BSA/PBST)を加えて、非特異的結合をブロックした。次いで、各抗体に対応するビオチン標識抗体と室温で2時間反応させた後、4回洗浄した。希釈したExtraAvidin-Alkaline Phosphatase conjugateを加え、室温で2時間反応させた。反応混合物をPNPP/DEA溶液で発色させた後、405nmの波長で吸光度を測定した。
さらに、本発明者らは、本発明の新規化合物が、炎症に関連するTh17細胞の分化および活性を抑制するかどうか、ならびに免疫制御機能を有するTreg細胞の活性を促進するかどうかを評価するため、フローサイトメトリー分析を行った。すなわち、T細胞をTh17細胞へと分化させる条件またはT細胞をTreg細胞へと分化させる条件でT細胞を培養し、その後、Foxp3+Treg細胞の数またはIL−17+Th17細胞の数をフローサイトメトリー装置で測定した。
破骨細胞への分化に対する本発明の新規化合物の効果を調査するため、MCSF(マクロファージコロニー刺激因子)および可溶性RANKLの存在下において、マウス骨髄細胞を分化誘導した(Sugatani et al. 2003, J. Cell. Biochem. 90, 59-67)。6週齢マウスの大腿骨および脛骨から骨髄細胞を調製し、M−CSF(30ng/ml:R&D Systems、ミネソタ州ミネアポリス)の存在下の8ウェルチャンバースライド(3×105個/ウェル;Nalge Nunc International、イリノイ州ネイパービル)において37℃で維持した。3日後にリンパ球を含む非接着性細胞を除去した後、M−CSF(30ng/ml)およびRANKL(30ng/ml;Strathmann、ドイツ、ハンブルク)の存在下において破骨細胞の接着性前駆細胞をさらに4日間培養して破骨細胞を得た。細胞培養培地は、M−CSFおよびRANKLの存在下で1回交換した。細胞を固定した後、製造者のプロトコルに従って染色キット(Sigma)を用いてTRAP(酒石酸抵抗性酸ホスファターゼ)染色を行った。各チャンバーを顕微鏡で観察し(40倍)、3つ以上の核を含有するTRAP陽性多核細胞を破骨細胞としてカウントした(Sugatani. et al. 2003, J. Cell. Biochem. 90, 59-67)。
本発明の新規化合物の細胞傷害性の分析結果
実施例1で合成した新規化合物が細胞傷害性を起こすかどうかを評価するため、表3に記載した各群の細胞の細胞生存率をMTTアッセイによって測定した。すなわち、各群の細胞(2×105個)を本発明において合成した新規化合物で処理した後、これらの細胞の生存率を分析した。
自己抗体の産生による免疫応答に対する本発明の新規化合物の調節作用の分析結果
実施例1で合成した新規化合物の、自己抗体の産生による免疫応答に対する効果を調査するため、上記4つの群のマウスの眼窩静脈叢から血液サンプルを採取し、各血清中のIgG量、IgG1量およびIgG2a量を測定した。
炎症性サイトカインの産生およびその遺伝子発現量に対する抑制の分析結果
本発明の新規化合物が、炎症および免疫疾患を誘導する炎症性サイトカインの産生を抑制するかどうか、また、遺伝子レベルで炎症性サイトカインを抑制するかどうかを評価するため、上記の<4>に記載した炎症性サイトカインの産生に対する効果の分析に従って実験を行った。
Th17細胞およびTreg細胞における調節活性の分析結果
本発明の新規化合物が、炎症性サイトカインであるIL−17を分泌するTh17細胞への分化およびその活性を調節し、かつ免疫制御機能を有するTreg細胞への分化およびその活性を調節するかどうかを調査するため、上記の<5>に記載したTh17細胞に対する抑制活性およびTreg細胞への誘導活性の分析を行った。
破骨細胞への分化に対する抑制の分析結果
本発明の新規化合物が免疫疾患を効果的に治療することができるかどうかを調査するため、M−CSFおよびRANKLで刺激された細胞の破骨細胞への分化に対する本発明の化合物による抑制の程度を、破骨細胞分化因子であるTRAPの染色によって確認した。
マウス脾細胞における炎症性サイトカインTNF−αおよびIL−17の産生に対する抑制効果
さらに、実施例で合成した化合物の炎症性サイトカインに対する抑制効果の有効性を評価するため、DBA1/J正常マウスの脾臓から得た細胞を0.5μg/mlの濃度の抗マウスCD3抗体で処理し、次いで200μMまたは500μMの濃度の各化合物で処理した。炎症性サイトカインであるIL−17およびTNF−αの抑制の程度は、ELISA法によって測定した。
Claims (14)
- 下記化学式:
で表される化合物またはその薬学的に許容される塩。 - 下記表:
- 請求項1に記載の化合物を有効成分として含む、免疫疾患を予防または治療するための医薬組成物。
- 前記化合物が、炎症性サイトカインの産生を低減または抑制し、自己抗体の産生を抑制し、破骨細胞への分化を抑制することを特徴とする、請求項1に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記炎症性サイトカインが、IL−17、IL−6、TNF−α、IFN−γ、MMP−9またはSTAT−3であることを特徴とする、請求項4に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記抗体が、IgG、IgG1またはIgG2aであることを特徴とする、請求項4に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記化合物が、制御性T細胞の活性を促進または増強し、病原性Th17細胞の活性を低減または抑制することを特徴とする、請求項1に記載の免疫疾患を予防または治療するための医薬組成物。
- 0.1mM〜10mMの範囲の濃度で前記化合物を含むことを特徴とする、請求項1に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記免疫疾患が、自己免疫疾患、炎症性疾患、および細胞、組織または臓器の移植拒絶疾患からなる群から選択されることを特徴とする、請求項1に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記免疫疾患が、リウマチ性関節炎、ベーチェット病、多発性筋炎または皮膚筋炎、自己免疫性血球減少症、自己免疫性心筋炎、アトピー性皮膚炎、喘息、原発性肝硬変、皮膚筋炎、グッドパスチャー症候群、自己免疫性髄膜炎、シェーグレン症候群、ループス、アジソン病、円形脱毛症、強直性脊髄炎、自己免疫性肝炎、自己免疫性耳下腺炎、クローン病、インスリン依存性糖尿病、栄養障害型表皮水疱症、副睾丸炎、糸球体腎炎、グレーブス病、ギラン・バレー症候群、橋本病、溶血性貧血、多発性硬化症、重症筋無力症、尋常性天疱瘡、乾癬、リウマチ熱、類肉腫症、強皮症、脊椎関節症、甲状腺炎、血管炎、白斑症、粘液水腫、悪性貧血、ミトコンドリア関連疾患および潰瘍性大腸炎から選択されることを特徴とする、請求項9に記載の免疫疾患を予防または治療するための医薬組成物。
- 前記移植拒絶疾患が、移植片対宿主病であることを特徴とする、請求項9に記載の免疫疾患を予防または治療するための医薬組成物。
- 請求項1に記載の化合物を有効成分として含む免疫調節剤。
- 未分化T細胞のTh17細胞への分化およびTh17細胞の活性を低減する方法であって、インビトロにおいて未分化T細胞を請求項1に記載の化合物で処理することを含む方法。
- 未分化T細胞のTreg細胞への分化およびTreg細胞の活性を増強する方法であって、インビトロにおいて未分化T細胞を請求項1の化合物で処理することを含む方法。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2014-0051261 | 2014-04-29 | ||
KR1020140051261 | 2014-04-29 | ||
PCT/KR2015/004299 WO2015167243A1 (ko) | 2014-04-29 | 2015-04-29 | 면역질환 치료효과를 갖는 신규한 화합물 및 이의 용도 |
KR1020150060182A KR101705446B1 (ko) | 2014-04-29 | 2015-04-29 | 면역질환 치료효과를 갖는 신규한 화합물 및 이의 용도 |
KR10-2015-0060182 | 2015-04-29 |
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Cited By (2)
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JPWO2019160057A1 (ja) * | 2018-02-15 | 2021-02-04 | 国立大学法人千葉大学 | 炎症性疾患若しくは骨疾患の予防又は治療剤及び医薬組成物 |
JP2022513590A (ja) * | 2018-11-07 | 2022-02-09 | ザ カトリック ユニバーシティ オブ コリア インダストリー-アカデミック コーオペレイション ファウンデーション | 新規な化合物およびカルシニューリン阻害剤を含む、移植拒絶反応または移植拒絶疾患を予防および治療するための組成物 |
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KR101949451B1 (ko) | 2015-10-13 | 2019-05-10 | 주식회사 이노파마스크린 | 염증성 장 질환 및 아토피 피부염 치료용 조성물 |
WO2018133139A1 (zh) | 2017-01-21 | 2018-07-26 | 宁波知明生物科技有限公司 | 芍药苷-6'-o-苯磺酸酯在治疗干燥综合征的应用 |
CN111566084B (zh) * | 2017-09-05 | 2022-12-20 | 北京强新生物科技有限公司 | 中枢神经系统疾病的新疗法 |
CN112789037A (zh) | 2018-09-06 | 2021-05-11 | 创新药物筛选有限公司 | 用于治疗哮喘或帕金森病的方法和药物组合物 |
WO2020117929A1 (en) * | 2018-12-04 | 2020-06-11 | The Children's Medical Center Corporation | Methods and compositions for treating asthma |
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CN113907047B (zh) * | 2021-12-13 | 2022-03-11 | 天津医科大学总医院空港医院 | 一种自身抗原表位诱导的eam小鼠模型的建立方法 |
CN115152700B (zh) * | 2022-06-28 | 2023-06-27 | 广东省人民医院 | 胶体锰佐剂在制备原发性干燥综合征动物模型中的应用 |
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AU2015254037A1 (en) | 2016-11-17 |
CA2946516C (en) | 2022-02-01 |
KR20150124923A (ko) | 2015-11-06 |
KR101705446B1 (ko) | 2017-02-09 |
EP3130582B8 (en) | 2019-01-02 |
CN106458869A (zh) | 2017-02-22 |
EP3130582A1 (en) | 2017-02-15 |
AU2015254037B2 (en) | 2019-03-21 |
US20170114008A1 (en) | 2017-04-27 |
CA2946516A1 (en) | 2015-11-05 |
US10100006B2 (en) | 2018-10-16 |
EP3130582B1 (en) | 2018-10-10 |
US20180118668A1 (en) | 2018-05-03 |
ES2702337T3 (es) | 2019-02-28 |
CN111407753A (zh) | 2020-07-14 |
JP6462002B2 (ja) | 2019-01-30 |
EP3130582A4 (en) | 2017-08-30 |
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