JP2014505675A - 組織サンプルから細胞および細胞濃縮マトリックスを濃縮回収する方法および装置 - Google Patents
組織サンプルから細胞および細胞濃縮マトリックスを濃縮回収する方法および装置 Download PDFInfo
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Abstract
Description
Kurita et al., Plast.Reconst.Surg.121:1033-1041(2008)
以下、本発明の実施例を説明するが、下記実施例は単なる説明のためのもので、本発明が下記実施例に限定されるもいのではない。
卵巣摘出手術後に捨てられた組織からイヌの新しい大網脂肪組織を得た。組織を滅菌メスで細かく切り刻み、50mL沈澱管に等分した(約2g/管)。細菌性コラゲナーゼIおよびIIとディスパーゼとを一緒にしたブレンドを含む滅菌した乳酸化リンゲル(Ringer)を加え、次いで振盪培養器(60rmp)中または固定ローター中ランダムに割り当て、加熱組織処理装置で培養する(TPA、1×gから200×gから1×gの毎分3サイクル)。温度は37〜40℃に維持した。培養/処理は30分間実施した。
選択脂肪吸引を行った患者から患者インフォームドコンセント後にヒトの新しい脂肪吸引物を得た。その組織をステンレススチールのストレーナを使用して水抜きし、孔寸法が1mmのナイロンメッシュから成るインサートを付けた([図3A]、[図3D]、[図3E])または付けない滅菌した50ml沈澱管に等分した(約10g/管)。細菌性コラゲナーゼIおよびIIとディスパーゼとを一緒にしたブレンドを含む滅菌した乳酸化リンゲル(Ringer)を加え、振盪培養器(60rpm)での培養か、揺動バケット・ローター中での加熱TPA(1×gから200×gから1×gの毎分3サイクル)にランダムに割り当てた。温度は37〜40℃に維持し、培養/処理は30分間実施した。
選択的脂肪吸引をしたヒトの患者から脂肪吸引物のサンプルを得た。脂肪吸引物を20cc体積を有する複数の組織収集容器へ移し、各組織収集容器の脂肪吸引物をミクロ乳化(emulsifying)ニードルを通して5回押出した。次いで、各組織収集容器から押出した脂肪吸引物を別々の組織収集容器へ移した。組織収集容器を組織自動処理装置内の着脱自在な回転装置のキャビティにセットした。着脱自在な回転装置では組織収集容器を横向姿勢を維持し、組織自動処理装置で組織収集容器に加速および遠心力を加えた。遠心力は400×g、約700×g、約1200×gで30分間か、約2000×gの速度で30分間加えられた。各遠心力の速度に対して2つの組織収集容器の内容物を使用した。
ヒトの深浅な脂肪吸引物を2つのアリコットに分け、アリコット1(「対照方法」)は脂肪移植片を調製するために美容手術で一般に使用される条件と同様に脂肪吸引物を処理した。脂肪吸引物を200×gで2分間遠心分離した。アリコット2(「細胞濃縮されたマトリックス」(CEM)方法)は最初に2つの注射器の間のルアーカップリングを通して押出し加工し、押出された脂肪吸引物を1200×gで30分間遠心分離して処理した。遠心分離後、両方の方法とも上部オイル層、中央組織層および下側水層に分かれた。各アリコットの中央組織層画分を回収した。各方法で回収した組織層画分の一部を1ccの注射器に入れ、メスの免疫不全NU/NUマウスのうなじ部に皮下投与した(n=3マウス/調整物)。
以上、本発明を説明したが、上記の説明は本発明を限定するためのものではなく、本発明は特許請求の範囲でのみ定義される。上記以外の観点、利点および変更は本発明の範囲内である。
Claims (29)
- 脂肪吸引物を直径が1〜5mmのオリフィスを通って押出した後、押出された脂肪吸引物を少なくとも5分間、最低でも400×gの力(g-force)で連続的に遠心分離段階にかけることを特徴とする、患者へ再適用するために細胞濃縮されたマトリックスを回収するための処理済み脂肪吸引物(脂肪吸引物)中の細胞含有量を増加させる方法。
- 遠心分離段階での遠心力が最高で2000×gである請求項1に記載の方法。
- 遠心分離段階での遠心力が約1200×gである請求項1に記載の方法。
- 組織サンプルが脂肪吸引物、脂肪組織およびこれらの組合せから成る請求項1に記載の方法。
- 遠心分離を固定角度の水平ローターを使用して実行する接着剤1に記載の方法。
- て遠心分離機中でタンパク分解酵素の存在下で組織を加速および減速し、組織の容器を逆にすることから成る、脂肪組織からの再生細胞の回収を容易にする方法。
- 遠心分離機内部の温度を制御する請求項6に記載の方法。
- 組織に毎分1回または複数のサイクル数で加速と減速を加える請求項6に記載の方法。
- タンパク分解酵素がコラーゲナーゼ(collagenase)、中性プロテアーゼまたはその両方である請求項6に記載の方法。
- 脂肪組織からの再生細胞の回収を容易にするために、上記コラーゲナーゼと中性プロテアーゼとを組合せ、温度を上昇させ、反転ローター中での遠心力の加速および減速によって攪拌する請求項6〜9のいずれか一項に記載の方法。
- 細胞を濃縮したマトリックスを用意し、遠心分離機中でタンパク分解酵素の存在下で細胞濃縮マトリックスを加速および減速し、組織の容器を反転させることから成る、脂肪組織から再生細胞を効率的に回収する方法。
- 遠心分離機内部の温度を制御する請求項11に記載の方法。
- 細胞濃縮したマトリックスに毎分1回または複数のサイクル数で加速と減速を加える請求項11に記載の方法。
- 細胞-濃縮したマトリックスからの再生細胞の回収を容易にするために、コラーゲナーゼと中性プロテアーゼとを組合せ、温度を上昇させ、反転ローター中での遠心力の加速および減速によって攪拌する請求項10〜12のいずれか一項に記載の方法。
- 請求項1〜5のいずれか一項に記載の方法で調整した細胞濃縮したマトリックスと、請求項6〜14のいずれか一項に記載の方法で製造した再生細胞調整物とを組合せたものから成る組成物。
- 少なくとも2つのキャビティを有し、各キャビティはそのキャビティ内に組織回収容器を着脱自在に挿入するように構成された着脱自在な回転装置であって、組織サンプルから細胞濃縮されたマトリックスを分離するための組織自動処理装置中で回転するように構成されていることを特徴とする装置。
- 上記の着脱自在な回転装置が、組織自動処理装置によって同定可能な、上記回転装置に取付けられた高周波識別(RFID)タグから成る請求項16に記載の装置。
- 上記の着脱自在な回転装置がオートクレーブで処理可能な材料から成る請求項16に記載の装置。
- 少なくとも2つのキャビティを有し、各キャビティはそのキャビティ内に組織回収容器を着脱自在に挿入するように構成された、組織サンプルから細胞濃縮したマトリックスを単離するための組織自動処理装置。
- 組織自動処理装置が温度制御装置を有する請求項19に記載の装置。
- 上記の着脱自在な回転装置が、上記の組織自動処理装置が着脱自在な回転装置を識別できるようにするための少なくとも一つの所定スペックを有する請求項19に記載の装置。
- 下記(a)〜(c)を有する脂肪組織から細胞を回収する方法:
(a) 小孔を通して脂肪吸引物を押出し、
(b) 押出された脂肪吸引物を遠心分離して細胞濃縮したマトリックスを作り、
(c) 得られた細胞濃縮したマトリックスを遠心力を利用して複数回の加速段階および減速段階にかけて細胞濃縮されたマトリックスから再生細胞を回収する。 - 遠心分離機中での容器内部の温度を26℃〜42℃に維持し、組織サンプルを複数に加速段階および減速段階にかける請求項22に記載の方法。
- 一種以上の酵素の存在下で組織サンプルに複数回の加速段階および減速段階を加える請求項22に記載の方法。
- 上記酵素がコラゲナーゼ、その他のプロテアーゼまたはこれらの混合物である請求項22に記載の方法。
- 下記の(a)と(b)とを含む組織から細胞を回収する方法:
(a) 遠心分離機に適した容器中に収容した、水性流体に懸濁させた組織ピースから成る組織サンプルを用意し、
(b) 上記組織サンプルを回転要素を介して加えられる遠心力を用いた少なくとも一回の加速段階および減速段階にかけ、上記回転要素はシャフトと、このシャフトから延びた一つまたは複数のアームから成り、(i)一つまたは複数のアームは、シャフトが回転した時に、一つまたは複数のアームがシャフトに対して上向き且つ外向きに回動するように上記シャフトに支持され、(ii)上記の一つまたは複数のアームは固定角度でつり下げられ、アームに取付けた容器は、材料に加わる重力がそれに加わる遠心力とは逆方向となるように保持され、加える遠心力を約50g〜約4000gにする。 - 上記組織サンプルの温度を32〜42℃の間に維持する請求項25に記載の方法。
- 上記組織サンプルが一種以上のプロテアーをさらに含む請求項25に記載の方法。
- 再生細胞の調整に使われる細胞濃縮されたマトリックスの回収装置。
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- 2011-12-16 WO PCT/US2011/065654 patent/WO2012083260A2/en active Application Filing
- 2011-12-16 KR KR1020137018685A patent/KR101951055B1/ko active IP Right Grant
- 2011-12-16 EP EP11848454.2A patent/EP2651565B1/en active Active
- 2011-12-16 JP JP2013544851A patent/JP6014045B2/ja not_active Expired - Fee Related
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JP2020516243A (ja) * | 2017-04-05 | 2020-06-11 | イェダ リサーチ アンド ディベロップメント カンパニー リミテッドYeda Research And Development Co.Ltd. | エクスビボ培養系およびその使用方法 |
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JP2022522323A (ja) * | 2018-12-13 | 2022-04-18 | コリゴ セラピューティクス, インコーポレイテッド | 細胞分離装置および使用方法 |
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US20150093809A1 (en) | 2015-04-02 |
BR112013015215B1 (pt) | 2020-09-29 |
US20150307845A1 (en) | 2015-10-29 |
AU2011343513B2 (en) | 2016-07-14 |
CN103402646A (zh) | 2013-11-20 |
WO2012083260A3 (en) | 2012-12-27 |
KR20140038354A (ko) | 2014-03-28 |
EP2651565B1 (en) | 2021-09-08 |
US20150299643A1 (en) | 2015-10-22 |
KR101951055B1 (ko) | 2019-02-21 |
EP2651565A4 (en) | 2016-11-09 |
EP2651565A2 (en) | 2013-10-23 |
US20120195863A1 (en) | 2012-08-02 |
WO2012083260A2 (en) | 2012-06-21 |
CN103402646B (zh) | 2015-10-21 |
US20150314041A1 (en) | 2015-11-05 |
BR112013015215A2 (pt) | 2017-12-26 |
WO2012083260A9 (en) | 2012-10-26 |
JP6014045B2 (ja) | 2016-10-25 |
US8951513B2 (en) | 2015-02-10 |
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