JP5541845B2 - アトピー性皮膚炎治療剤 - Google Patents
アトピー性皮膚炎治療剤 Download PDFInfo
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- JP5541845B2 JP5541845B2 JP2008088641A JP2008088641A JP5541845B2 JP 5541845 B2 JP5541845 B2 JP 5541845B2 JP 2008088641 A JP2008088641 A JP 2008088641A JP 2008088641 A JP2008088641 A JP 2008088641A JP 5541845 B2 JP5541845 B2 JP 5541845B2
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- atopic dermatitis
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- A—HUMAN NECESSITIES
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- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K2035/124—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells the cells being hematopoietic, bone marrow derived or blood cells
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- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Medicinal Preparation (AREA)
Description
1.ヒト間葉系幹細胞を有効成分として含んでなる,アトピー性皮膚炎治療剤。
2.該アトピー性皮膚炎が哺乳類のアトピー性皮膚炎である,上記1のアトピー性皮膚炎治療剤。
3.該哺乳類がヒト,イヌ,ネコ,ウサギ及びげっ歯類よりなる群より選ばれるものである,上記2のアトピー性皮膚炎治療剤。
4.該ヒト間葉系幹細胞がヒト骨髄由来のものである,上記1ないし3の何れかのアトピー性皮膚炎治療剤。
5.該哺乳類がヒトであり,該ヒト間葉系幹細胞の起源が該ヒトと同一でないものである,上記4のアトピー性皮膚炎治療剤。
6.注射剤である,上記1ないし5の何れかのアトピー性皮膚炎治療剤。
7.静脈内投与用注射剤である,上記6のアトピー性皮膚炎治療剤。
NC/Ngaマウスは,ニシキネズミを起源とする純系のマウスである。このマウスは,SPF(Specific Pathogen-free)環境下の飼育では皮膚炎を発症することはないが,通常のすなわち非SPF環境で飼育すると,皮膚炎を発症する。発症した皮膚炎は,臨床的にも組織学的にもヒトのアトピー性皮膚炎と極めてよく似ている。すなわち,マウスは非常に痒がり,体毛が,特に頭部及び背部において粗くなり,耳,鼻,背部皮膚その他体表のあらゆる部位に紅斑,湿疹様病変,出血,痂皮,表皮剥離,糜爛,落屑及び乾燥が見られる。非SPS環境で飼育されNC/Ngaマウスは,SPF環境で飼育したものに比して高い血中IgE値を示し,また皮膚に夥しい数の好酸球の浸潤,マスト細胞の増加,その活性化による顆粒放出が見られる。症状は週齢と共に進行して重症化し耳介の脱落に至ることもある (Int. Arch. Allergy Immunol., 120 (Suppl. 1), 70-75)。このマウスには,ダニを寄生させることによっても,また塩化ピクリルのような薬物の塗布によっても,同様にアトピー性皮膚炎様の皮膚炎を発症させることができ (Biol. Pharm. Bull. 28(1) 78-82 (2005)),そのような方法でアトピー性皮膚炎モデルマウスとして用いられている。
上記のようにして作成し2群に分けたアトピー性皮膚炎モデルマウスのうち,一方の群(MSC投与群,n=3)に対して,1×106個のヒト間葉系幹細胞(PoieticsTM,Cambrex社:骨髄由来,CD105+,CD166+,CD29+,CD44+,CD14-,CD34-,CD45-)を3.7%DMSO及び5%HSA(ヒト血清アルブミン)を含む0.21mLの輸液用酢酸リンゲル液(PlasmaLyteA:Baxter社)に懸濁させ,室温に保った状態でマウスの尾静脈より1mL/分の流速で投与した。投与は,温浴上でマウスを暖めて血管を拡張させた後に,マウスを固定台に入れ,マウスの身体を補綴して行った。ヒト間葉系幹細胞の初回投与(第1日)に続き,第2及び第3日にも,同様にしてヒト間葉系幹細胞をマウスに投与した。他方の群(コントロール群,n=3)のマウスには,ヒト間葉系幹細胞不含の,3.7%DMSO及び5%HSAを含む0.21mLの輸液用酢酸リンゲル液を,上記と同様にして投与した。
皮膚炎の重篤度を,表1に示した基準に従って評価した。評価は,第1から第10日まで,毎日行った。各個体及び群平均の皮膚炎スコアを表2に示す。
これに対し,MSC投与群では,皮膚炎の程度は第1日における全動物のスコア2から,第2日には,全動物がスコア3へと移行したが,それ以降は何れの動物にも皮膚炎のスコア4への重症化は起こらず,その後,逆にMSCの最終投与(第3日)から4日後より,皮膚の状態の顕著な改善が開始するのが観察された。すなわち,MSC群の動物の皮膚炎の程度は,第4日〜第6日にかけて全てがスコア3に止まった後,第7日には,3匹中1匹がスコア2へと改善し,第8日は3匹全てがスコア2に,第9日には3匹中1匹がMSC投与開始時よりも低いスコア1へと,更に第10日には,更に残り2匹中1匹もスコア1へと改善した。両群のスコアの平均値の推移を図3にグラフで示す。
これらの結果から明らかなとおり,MSCを投与された動物では,皮膚炎の重症化が防止されただけでなく,その後皮膚状態の急速な改善が起こっており,このことは,アトピー性皮膚炎に対し,ヒト間葉系幹細胞の投与が顕著な治療効果を現すことを示している。特に,第1日〜第3日のMSC投与後,すなわちMSCの投与を停止してから4日を経過した後に(すなわち第7日以降)急速に皮膚の状態が改善していることは,投与されたMSCが皮膚における免疫系の挙動を,何らかの機序で自律的に正常化へ向かわせていることを強く示唆している。なお,異種動物であるヒトのMSCを反復(3回)投与されたMSC群のマウスに,有害な免疫反応その他外観上の異常は見られなかった。
ヒト間葉系幹細胞(骨髄由来)・・・ 5×107個
酢酸リンゲル液・・・・・・・・・・ 全量5mL
酢酸リンゲル液中にヒト間葉系幹細胞を懸濁させ,全量を5mLに調整して注射剤とする。
ヒト間葉系幹細胞(骨髄由来)・・・ 1×108個
滅菌生理食塩水・・・・・・・・・・ 全量10mL
滅菌生理食塩水中にヒト間葉系幹細胞を加えて懸濁させ,全量を10mLに調整して注射剤とする。
ヒト間葉系幹細胞(骨髄由来)・・・ 2×106個
5%ブドウ糖輸液・・・・・・・・・ 全量2mL
5%ブドウ糖輸液中にヒト間葉系幹細胞を加えて懸濁させ,全量を2mLに調整して注射剤とする
Claims (7)
- ヒト間葉系幹細胞を有効成分として含み,該ヒト間葉系幹細胞を水性媒質に懸濁させてなる静脈内投与用注射剤であって,凍結状態で供給され,投与直前に解凍して投与されるものである,哺乳類のアトピー性皮膚炎治療剤。
- 該哺乳類がヒト,イヌ,ネコ,ウサギ及びげっ歯類よりなる群より選ばれるものである,請求項1のアトピー性皮膚炎治療剤。
- 該ヒト間葉系幹細胞がヒト骨髄由来のものである,請求項1又は2のアトピー性皮膚炎治療剤。
- 該哺乳類がヒトであり、該ヒト間葉系幹細胞の起源が該ヒトと同一でないものである、請求項3のアトピー性皮膚炎治療剤。
- 該水性媒質がリンゲル液である,請求項1ないし4の何れかのアトピー性皮膚炎治療剤。
- 該リンゲル液が酢酸リンゲル液である,請求項5のアトピー性皮膚炎治療剤。
- 該リンゲル液がジメチルスルホキシド及び/又はヒト血清アルブミンを含むものである,請求項5又は6のアトピー性皮膚炎治療剤。
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JP2008088641A JP5541845B2 (ja) | 2008-03-28 | 2008-03-28 | アトピー性皮膚炎治療剤 |
EP09156020A EP2105498B1 (en) | 2008-03-28 | 2009-03-24 | Therapeutic composition for atopic dermatitis |
US12/412,598 US20090246181A1 (en) | 2008-03-28 | 2009-03-27 | Therapeutic composition for atopic dermatitis |
US12/951,612 US20110070207A1 (en) | 2008-03-28 | 2010-11-22 | Therapeutic composition for atopic dermatitis |
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US20120201786A1 (en) * | 2010-07-15 | 2012-08-09 | Nikolai Tankovich | Methods for the use of stem cells and stem cell factors in the treatment of skin conditions |
WO2012030968A1 (en) * | 2010-08-31 | 2012-03-08 | Renovocyte, LLC | Systemic, allogenic stem cell therapies for treatment of diseases in animals |
US20120141433A1 (en) * | 2010-10-06 | 2012-06-07 | Nikolai Tankovich | Vaporized Stem Cell Derivatives for Topical and Other Therapeutic Uses |
WO2013125899A1 (ko) * | 2012-02-22 | 2013-08-29 | 주식회사 강스템홀딩스 | 줄기세포를 유효 성분으로 함유하는 면역 질환 또는 염증 질환의 예방 또는 치료용 조성물 |
WO2018074381A1 (ja) * | 2016-10-18 | 2018-04-26 | 国立大学法人大阪大学 | 疾患治療剤調製用キット、疾患治療剤及び疾患治療剤の調製方法 |
JP7136700B2 (ja) * | 2016-12-28 | 2022-09-13 | ロート製薬株式会社 | 細胞医薬組成物、疾患治療用キット及び細胞懸濁用溶液 |
JP7644564B2 (ja) * | 2016-12-28 | 2025-03-12 | ロート製薬株式会社 | 細胞医薬組成物、疾患治療用キット及び細胞懸濁用溶液 |
WO2018225673A1 (ja) * | 2017-06-06 | 2018-12-13 | Dsファーマアニマルヘルス株式会社 | 細胞凝集低減方法および細胞凝集が低減された治療用組成物 |
KR102095628B1 (ko) * | 2018-01-05 | 2020-04-01 | 재단법인 아산사회복지재단 | 유도만능 줄기세포 유래 중간엽 줄기세포 및 이로부터 유래된 엑소좀을 포함하는 피부질환의 개선, 예방 또는 치료용 조성물 |
JP6375076B1 (ja) * | 2018-02-19 | 2018-08-15 | 株式会社 バイオミメティクスシンパシーズ | 間葉系幹細胞を用いたアトピー性皮膚炎治療における治療効果予測判定法 |
JP6574292B2 (ja) * | 2018-07-21 | 2019-09-11 | 株式会社 バイオミメティクスシンパシーズ | 間葉系幹細胞を用いたアトピー性皮膚炎治療における治療効果予測判定法 |
CA3127868A1 (en) * | 2019-01-31 | 2020-08-06 | Primegen Biotech, Llc | Treatment of atopic dermatitis using mesenchymal stem cells and immune modulation |
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EP2105498B1 (en) | 2012-05-23 |
EP2105498A1 (en) | 2009-09-30 |
US20110070207A1 (en) | 2011-03-24 |
JP2009242265A (ja) | 2009-10-22 |
US20090246181A1 (en) | 2009-10-01 |
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