JP2014012021A - 毛包間葉系幹細胞およびその使用 - Google Patents
毛包間葉系幹細胞およびその使用 Download PDFInfo
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- JP2014012021A JP2014012021A JP2013186045A JP2013186045A JP2014012021A JP 2014012021 A JP2014012021 A JP 2014012021A JP 2013186045 A JP2013186045 A JP 2013186045A JP 2013186045 A JP2013186045 A JP 2013186045A JP 2014012021 A JP2014012021 A JP 2014012021A
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- hair
- cells
- alopecia
- hair follicle
- mesenchymal stem
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Abstract
【解決手段】a)活力のある毛髪を調製する工程と、b)工程a)で調製した毛髪を分割する工程と、c)真皮毛乳頭と共に杯状様物質付着毛杯を単離する工程と、d)前記毛杯から真皮毛乳頭を分離する工程と、e)工程d)で得た毛杯を培養する工程と、f)コンフルエントな細胞をプールする工程とを含む、毛包間葉系幹細胞の単離方法。および治療、予防、および美容整形術のための手段としての毛包間葉系幹細胞の使用。
【選択図】なし
Description
つの重要な位置は、立毛筋の挿入点(いわゆる毛隆起部)である。この領域およびその近くでは、毛包の上皮幹細胞は、その座部(seat)を有すると推測される。峡部レベルでの横断面により、硬毛をIRS断面と比較してそのより厚い毛幹によって認識し、軟毛を小断面直径と比較してIRSよりも薄い毛幹によって認識することができる。
b)工程a)で調製した毛髪を分割する工程と、
c)真皮毛乳頭と共に杯状様物質(cup shape−like)付着毛杯(hair cup)を単離する工程と、
d)前記毛杯から真皮毛乳頭を分離する工程と、
e)工程d)で得た毛杯を培養する工程と、
f)コンフルエントな細胞をプールする工程とを含む、毛包間葉系幹細胞の単離方法に関する。
f)から分離する。この方法は、毛包間葉系幹細胞の調製に使用することができるだけでなく、爪および咀嚼器官の間葉系幹細胞の調製にも適応させることができる。本方法を、全ての真核生物(例えば、哺乳動物、特にヒト)で使用することができる。
24ウェル培養フラスコ(ファルコン、フランクリンレークス、ニュージャージー州、アメリカ合衆国)中で培養する。数日後、細胞は自発的に成長し、コンフルエント培養付近に到達後(全細胞の検出後に1ウェルあたり260μlAmniomax培地でのトリプシン処理で停止)に1ウェルあたり200μlのトリプシン−EDTAで分離し、25ml培養フラスコ(グライナー、フリッケンハウゼン、ドイツ)に移す。これについて、細胞をプールし、1000U/分で10分間遠心分離し、上清を破棄し、細胞を5mlのAmniomaxに再懸濁する。培地を3日毎に交換する。得られた細胞が本発明の間葉系幹細胞であることを決定するために、アルカリホスファターゼ検出を行うことができる。これについて、実施例に記載のように、細胞を滅菌カバーガラス上で培養し、アセトン中で固定し、分析することができる。記載の実施例のインビトロ検出のインキュベーションの時間は、標準的な条件下で約30分〜約1.5時間、好ましくは約1時間である。
の埋め込みまたはリポソームへの封入)によって使用することができる。単回の注射または移植で十分でない場合、後療法(反復治療)が可能である。単一の皮膚領域について一定の適用様式が好ましい場合、それに応じて本発明の細胞を投与することができる。
al.,2001,Thesleff,2000)。これについての1つの理由が、これらが進化において祖先を共有し、胚形成時に実質的な形態学的構造が再現されるので、爪および歯の場合にも毛包の間葉系幹細胞の位置が見出されるという事実に存在する可能性がある。したがって、球周囲の毛包および咀嚼器官の培養細胞を用いて歯も再生することができるかもしれない。形態学的特徴の使用により、毛髪と同様に新規またはより厚い爪または歯を誘導することができる。したがって、本発明は、さらに、治療および予防のための手段としての爪および咀嚼器官の間葉系幹細胞、ならびに爪または咀嚼器官の疾患の治療および予防ならび遺伝子治療のための薬物の調製のための幹細胞の使用に関する。
l培地)において前記培地を含む24ウェル培養フラスコ(ファルコン、フランクリンレークス、ニュージャージー州、アメリカ合衆国)中で培養する。数日後、細胞は自発的に成長し、コンフルエント培養液に到達後(全細胞の剥離後に1ウェルあたり260μlAmniomax培地でトリプシン処理で停止)に1ウェルあたり200μlのトリプシン−EDTAで分離し、25ml培養フラスコ(グライナー、フリッケンハウゼン、ドイツ)に移した。これについて、細胞をプールし、1000U/分で10分間遠心分離し、上清を除去し、細胞を5mlのAmniomaxに再懸濁した。培地を3日毎に交換した。培地として、AmnioMaxC100基礎培地(ギブコ)およびAmnioMaxC100補助物質を使用した。まず最初に、DSCを滅菌条件下において前記培地を含む24ウェル培養フラスコ(ファルコン、フランクリンレークス、ニュージャージー州、アメリカ合衆国)中で培養する。数日後、細胞は自発的に成長し、増殖させ、標準的な方法を使用して25ml培養フラスコ(グライナー、フリッケンハウゼン、ドイツ)で継代培養することができる。
埋し、6μm厚の凍結切片を調製した。製造者の説明書に従ってpH8.1でアルカリホスファターゼ「fast red TR」基質溶液(Pierce Company,ロックフォード,イリノイ州,アメリカ合衆国:供給量として10mgのfast red
TR、10ml基質緩衝液、供給量として1.5mlナフトールAS−MXリン酸濃縮物)を使用してアルカリホスファターゼを検出した。レバミゾールの非存在下で30分間発色させた。インビトロでのアルカリホスファターゼの検出のために、滅菌スライドガラス上で細胞を培養し、アセトン中で固定し、アルカリホスファターゼの測定について記載のように試薬を使用した。インキュベーション時間は1時間であった。
PBSを滅菌16ゲージニードルを使用して創傷から約2mmのところに注射した。これらの実験のために、動物を1.66mlの塩酸キシラジン(ロンプン、バイエルウィタル、レーファークーゼン、ドイツ)を含む10mlの塩酸ケタミン(ヘクサル、ホルツキルヒェン、ドイツ)で麻酔した。この後、新規の発毛が認められる場合には、数週間観察を行った。2ヵ月後、DPおよびDSCの移植後に発毛が認められたが、DS細胞の移植後では認められなかった。6ヶ月間発毛が認められ、これらの臨床所見は一過性の現象ではないことを示す。さらに、移植後に既存の毛髪がより太くなることが認められた(図6)。
、その後切片をPBS-/-または被覆媒体(例えば、グリセロール)を含む水でカバーし
た。この後、アルゴン−クリプトンレーザーを使用したツァイス社(ゲッティンゲン、ドイツ)のレーザー顕微鏡(LSM410型)(励起は488nm、発光波長500〜520nm、Z軸の間隔2μm)を使用して組織を分析した。
を再構築することができる一方でDP細胞はこれを行うことができないという事実により、、DSCはあまり分化せず、DP細胞よりもより多能性であると推測することができる。この理由のために、DSC細胞は毛包の成体間葉系幹細胞である。図4は、DSC細胞の誘導特性を示す。まとめると、結果として、DSC細胞はDPおよび毛包結合組織鞘が形成される推定上の幹細胞であることが観察された。
Claims (8)
- a)活力のある毛髪を調製する工程と、
b)工程a)で調製した毛髪を分割する工程と、
c)真皮毛乳頭と共に杯状様物質付着毛杯を単離する工程と、
d)前記毛杯から真皮毛乳頭を分離する工程と、
e)工程d)で得た毛杯を培養する工程と、
f)コンフルエントな細胞をプールする工程とを含む、毛包間葉系幹細胞の単離方法。 - 前記毛包が哺乳動物に由来する、請求項1に記載の方法。
- 前記哺乳動物がマウス、ラット、ウサギ、モルモット、ヤギ、ブタ、ウシ、またはヒトである、請求項2に記載の方法。
- 請求項1〜請求項3のいずれかに記載の方法によって得ることができる、毛包間葉系幹細胞。
- 完全に新規の毛包を形成する特徴と、既存の毛乳頭に移動する特徴と、真皮結合組織被覆物の一部を形成する特徴と、真皮乳頭細胞よりも低いアルカリホスファターゼ活性を有する特徴とを有する、毛包間葉系幹細胞。
- 治療、予防、および美容整形術のための手段としての請求項4または5に記載の毛包間葉系幹細胞。
- 脱毛症の治療もしくは予防または遺伝子治療のための手段を調製するための請求項4または5に記載の毛包間葉系幹細胞の使用。
- 前記脱毛症が、円形脱毛症、男性型脱毛症、萎縮性脱毛症、毛孔性扁平苔癬、紅斑性狼瘡、先天性貧毛症、および無毛症による脱毛症、代謝疾患に関するびまん性脱毛、火傷もしくは外傷後の脱毛症、または化学療法後の脱毛症である、請求項7に記載の使用。
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| US5556783A (en) | 1991-03-27 | 1996-09-17 | Trustees Of Univ. Of Penna | Methods of culturing and modulating the growth of hair follicular stem cells |
| JP3573488B2 (ja) * | 1994-04-11 | 2004-10-06 | 独立行政法人 科学技術振興機構 | 毛乳頭細胞の長期継代培養法 |
| CA2253724A1 (en) * | 1996-04-26 | 1997-11-06 | Case Western Reserve University | Skin regeneration using mesenchymal stem cells |
| GB9925964D0 (en) | 1999-11-03 | 1999-12-29 | Jahoda Colin A B | Hair transplantation |
| DE10056465A1 (de) * | 2000-11-14 | 2002-07-18 | Rosemarie Daig | Zellkonstrukte erhältlich aus mesenchymalen Stammzellen und davon ableitbaren Zellen und ihre Verwendung |
| JP3978179B2 (ja) * | 2001-09-20 | 2007-09-19 | アンチキャンサー インコーポレーテッド | ネスチンを発現する毛包幹細胞 |
| US20060182812A1 (en) * | 2003-01-20 | 2006-08-17 | Yasuharu Ono | Antibacterial compositions and antibacterial products |
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2002
- 2002-06-05 DE DE10224982A patent/DE10224982A1/de not_active Withdrawn
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2003
- 2003-06-05 DE DE10393306T patent/DE10393306D2/de not_active Expired - Lifetime
- 2003-06-05 US US10/516,031 patent/US8431400B2/en not_active Expired - Lifetime
- 2003-06-05 PT PT03756966T patent/PT1509597E/pt unknown
- 2003-06-05 CA CA2488057A patent/CA2488057C/en not_active Expired - Lifetime
- 2003-06-05 AT AT03756966T patent/ATE453707T1/de active
- 2003-06-05 WO PCT/DE2003/001863 patent/WO2003104443A2/de not_active Ceased
- 2003-06-05 JP JP2004511503A patent/JP2005528916A/ja not_active Withdrawn
- 2003-06-05 AU AU2003246521A patent/AU2003246521B2/en not_active Ceased
- 2003-06-05 EP EP03756966A patent/EP1509597B1/de not_active Expired - Lifetime
- 2003-06-05 DE DE50312289T patent/DE50312289D1/de not_active Expired - Lifetime
- 2003-06-05 ES ES03756966T patent/ES2338780T3/es not_active Expired - Lifetime
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2010
- 2010-12-09 JP JP2010274731A patent/JP5442588B2/ja not_active Expired - Fee Related
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2012
- 2012-10-26 US US13/661,782 patent/US20130115198A1/en not_active Abandoned
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2013
- 2013-09-09 JP JP2013186045A patent/JP5931821B2/ja not_active Expired - Lifetime
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2015
- 2015-02-10 US US14/618,073 patent/US20150218520A1/en not_active Abandoned
- 2015-12-04 JP JP2015237313A patent/JP2016073303A/ja active Pending
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| JP2002507132A (ja) * | 1997-04-30 | 2002-03-05 | ユニヴァーシティ・オヴ・ダーラム | 創傷治癒における真皮鞘組織 |
| JP2001518445A (ja) * | 1997-07-18 | 2001-10-16 | レイノルズ‐ジャホダ,アマンダ | 真皮鞘組織から成る遺伝子治療媒体 |
| JP5442588B2 (ja) * | 2002-06-05 | 2014-03-12 | トリコサイエンス・イノヴェーションズ・インコーポレイテッド | 毛包間葉系幹細胞およびその使用 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2488057A1 (en) | 2003-12-18 |
| JP2005528916A (ja) | 2005-09-29 |
| WO2003104443A3 (de) | 2004-04-01 |
| US8431400B2 (en) | 2013-04-30 |
| DE10224982A1 (de) | 2003-12-24 |
| DE10393306D2 (de) | 2005-05-25 |
| JP2011101648A (ja) | 2011-05-26 |
| ES2338780T3 (es) | 2010-05-12 |
| AU2003246521B2 (en) | 2008-01-03 |
| ATE453707T1 (de) | 2010-01-15 |
| JP5931821B2 (ja) | 2016-06-08 |
| CA2488057C (en) | 2014-08-19 |
| EP1509597A2 (de) | 2005-03-02 |
| US20060088505A1 (en) | 2006-04-27 |
| AU2003246521A1 (en) | 2003-12-22 |
| PT1509597E (pt) | 2010-03-30 |
| JP2016073303A (ja) | 2016-05-12 |
| WO2003104443A2 (de) | 2003-12-18 |
| US20150218520A1 (en) | 2015-08-06 |
| DE50312289D1 (de) | 2010-02-11 |
| US20130115198A1 (en) | 2013-05-09 |
| JP5442588B2 (ja) | 2014-03-12 |
| EP1509597B1 (de) | 2009-12-30 |
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