JP2023502196A - 化学的殺生物剤を使用しない無菌細胞処理および産生 - Google Patents
化学的殺生物剤を使用しない無菌細胞処理および産生 Download PDFInfo
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Abstract
Description
本出願は、2019年10月22日に出願された米国特許出願第62/924,322号の優先権を主張し、その全内容は参照により組み込まれる。
1.インキュベーションの状態で増殖するまたは増殖しない細胞;
2.取り扱いまたは操作されている細胞;
3.ある種の機械で処理または分析されている細胞;
4.上記3つの状態のいずれかの間の細胞の輸送。
生物および培地。以下の生物を本発明の方法で試験した:BIOBALL(登録商標)(BIOMERIEUX社、ミズーリ州ヘーゼルウッド)による緑膿菌、黄色ブドウ球菌、枯草菌、クロコウジカビ、およびカンジダ菌。CFUを、Sigma(ミズーリ州セントルイス)によるTryptic Soy Agarを含有する培養プレートでアッセイした。クロコウジカビプレートを25°Cで36~48時間培養し、一方、他の生物を35°Cで20~24時間培養した後、コロニー評価を行った。環境モニタリングのために、接触プレートをBD(メリーランド州スパーク)によるBBL(商標)Trypticase(商標)Soy Agarで作製した。接触プレートを35°Cで少なくとも20~24時間インキュベートした。
浮遊枯草菌は、本発明の方法で急速乾燥した後に、XVIVO SYSTEMエンクロージャ内の活性空気サンプリングおよび受動的空気サンプリング(沈降プレート)で定量化した。
Claims (20)
- 殺生物剤を使用しないほぼ無菌のエンクロージャ装置における無菌処理および細胞の産生の方法であって、
a.エンクロージャ装置内の少なくとも1つのチャンバが、原核細胞または真核細胞の最適なエクスビボ培養、増殖、処理または輸送に適合したほぼ無菌の環境を提供する複数のチャンバを有し、大気ガス、相対湿度(RH)、温度、およびガス循環を正確に制御することができ、
前記方法は、
b.前記少なくとも1つのチャンバの前記RHを20%以下に調整するステップと、
c.前記少なくとも1つのチャンバの前記温度を37°Cまたは細胞にとって準最適ではない他の高温に調整するステップと、
を含み、
d.細胞にとって準最適ではないほぼ連続的に流れる雰囲気が、前記少なくとも1つのチャンバ全体にわたってRHを混合および均質化し、
e.前記少なくとも1つのチャンバ内の前記RH、温度および流れる雰囲気は、前記少なくとも1つのチャンバ内の任意の微生物の急速な乾燥によって物理的抗菌効果を誘発し、前記少なくとも1つのチャンバ内の任意の表面へのすべての微生物の付着による死滅または固定化をもたらし、それによって微生物の再生が防止され、浮遊する生存可能な望ましくない微生物を検出することができず、
f.前記細胞の培養、成長、処理または輸送に必要な前記少なくとも1つのチャンバ内の任意のより高いRHは、必要な最短期間に必要以下の前記RHレベルに制御され、次いで、直ちに前記RHを20%以下に戻し、
g.前記細胞の培養、増殖、処理、または輸送に必要な前記少なくとも1つのチャンバ内の任意のより低い温度が、必要な最短時間の間に必要以上の温度に制御され、次いで、細胞にとって準最適ではない約37°Cの高温に直ちに戻り、
h.(a)最初の閉鎖時、ならびに前記エンクロージャ装置の各周期的な開放および再閉鎖後、前記エンクロージャ内のすべての領域、大気、および表面は急速に乾燥されるか、または(b)任意の材料または装置は、前記外部環境から前記エンクロージャ内に移動すると、急速に乾燥される、
方法。 - 前記相対湿度が15%以下または10%以下に制御される、請求項1に記載の方法。
- 前記エンクロージャ装置が、モノリシックもしくはモジュール式に恒久的に接続された、または一時的に接続されたチャンバ間の内部ドアによって区画化された、2つ以上の相互接続されたチャンバ、コチャンバ、およびサブチャンバを備える、請求項1に記載の方法。
- 前記RH、温度、および流れる雰囲気が、前記エンクロージャ装置内の任意の他のチャンバとは独立して各チャンバに対して制御される、請求項1に記載の方法。
- 前記エンクロージャ装置が、固定式または可動式である、請求項1に記載の方法。
- 前記エンクロージャ装置が、剛性もしくは可撓性の壁、金属もしくはプラスチックの壁、またはそれらの任意の組み合わせで作製される、請求項1に記載の方法。
- 前記内面が疎水性または親水性である、請求項1に記載の方法。
- ポリエチレン、ポリプロピレン、ステンレス鋼、およびガラスから選択される材料から作製された前記収容環境内の内面をさらに含む、請求項1に記載の方法。
- 前記エンクロージャ装置が、エンクロージャ内部の制御を損なわない通路内に密封または半密封された恒久的または一時的な壁を介した機能的または物理的入力/出力を装備する、請求項1に記載の方法。
- 正確に制御され得る前記エンクロージャ装置内の前記大気ガスが、酸素、窒素、二酸化炭素、一酸化窒素、一酸化炭素から構成され、VOC、微粒子、および圧力を正確に制御することができる、請求項1に記載の方法。
- 酸素レベルが0.1%~35%v/vであり、二酸化炭素が0.1%~20%v/vである、前記収容された環境の雰囲気をさらに含む、請求項1に記載の方法。
- 細胞が、密閉されたポートを介してグローブもしくは遠隔操作器によって手動で、または統合されたプロセスおよび分析機械によって、または完全もしくは部分的な自動化によって処理され、前記エンクロージャ内で産生される、請求項1に記載の方法。
- 前記細胞が真核細胞である、請求項1に記載の方法。
- 前記真核細胞が哺乳動物細胞である、請求項13に記載の方法。
- 前記哺乳動物細胞がヒト細胞である、請求項14に記載の方法。
- 前記エンクロージャ内の沈降プレートまたは活性空気サンプリングプレートを用いた環境モニタリングによって測定される場合、乾燥耐性微生物の測定可能なCFU(コロニー形成単位)が検出されない、請求項1に記載の方法。
- 沈降プレート、活性空気サンプリングプレート、またはコントラクトプレートを用いた環境モニタリングによって測定される場合、乾燥しやすい微生物の測定可能なCFU(コロニー形成単位)が検出されない、請求項1に記載の方法。
- 殺生物剤を使用しない非滅菌エンクロージャ装置での無菌処理および細胞の産生のための環境であって、前記環境では、
a.エンクロージャ装置内の少なくとも1つのチャンバが、原核細胞または真核細胞の最適なエクスビボ培養、増殖、処理または輸送に適合したほぼ無菌の環境を提供する複数のチャンバを有し、大気ガス、相対湿度(RH)、温度、およびガス循環を正確に制御することができ、
b.前記少なくとも1つのチャンバの前記RHが20%以下に調整され、
c.前記少なくとも1つのチャンバの前記温度が37°Cまたは細胞にとって準最適ではない他の高温に調整され、
d.細胞にとって準最適ではないほぼ連続的に流れる雰囲気が、前記少なくとも1つのチャンバ全体にわたってRHを混合および均質化し、
e.前記少なくとも1つのチャンバ内の前記RH、温度および流れる雰囲気は、すべての微生物の急速な乾燥によって物理的抗菌効果を誘発し、その結果、ほとんどの微生物が死滅し、表面上のすべての微生物がその表面に付着することによって固定化され、すべての微生物の再生が防止され、浮遊する生存可能な望ましくない微生物を検出することができず、
f.前記細胞の培養、成長、処理または輸送に必要な前記少なくとも1つのチャンバ内の任意のより高いRHは、必要な最短期間に必要以下の前記RHレベルに制御され、次いで、直ちに前記RHを20%以下に戻し、
g.前記細胞の培養、増殖、処理、または輸送に必要な前記少なくとも1つのチャンバ内の任意のより低い温度が、必要な最短時間の間に必要以上の温度に制御され、次いで、細胞にとって準最適ではない約37°Cの高温に直ちに戻り、
h.(a)最初の閉鎖時、ならびに前記エンクロージャ装置の各周期的な開放および再閉鎖後、前記エンクロージャ内のすべての領域、大気、および表面は急速に乾燥されるか、または(b)任意の材料または装置は、前記外部環境から前記エンクロージャ内に移動すると、急速に乾燥される、
環境。 - 前記エンクロージャ内の沈降プレートまたは活性空気サンプリングプレートを用いた環境モニタリングによって測定される場合、乾燥耐性微生物の測定可能なCFU(コロニー形成単位)が検出されない、請求項18に記載の環境。
- 沈降プレート、活性空気サンプリングプレート、またはコントラクトプレートを用いた環境モニタリングによって測定される場合、乾燥しやすい微生物の測定可能なCFU(コロニー形成単位)が検出されない、請求項18に記載の環境。
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