JP5234428B2 - 細胞集合体形成器具、細胞集合体培養器具、細胞集合体転写キット及び細胞集合体の培養方法 - Google Patents
細胞集合体形成器具、細胞集合体培養器具、細胞集合体転写キット及び細胞集合体の培養方法 Download PDFInfo
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Description
Claims (8)
- 貫通穴が形成された第一基材と、
前記貫通穴の一方側を第二基材で覆うことにより形成された、細胞を培養して浮遊状態の細胞集合体を形成するための細胞非接着性のウェルと、
を有する、
細胞接着性表面を有する培養器具と組み合わせて使用される細胞集合体形成器具であって、
前記貫通穴内に露出した前記第二基材の一部は、前記ウェル内に播種された前記細胞が沈降する前記ウェルの底面を形成し、
前記第二基材は、前記第一基材の他方側の表面を前記細胞接着性表面に当接させて前記ウェル内の前記細胞集合体を前記細胞接着性表面上に沈降させた後に前記第一基材から剥離されるよう前記第一基材の前記一方側の表面に剥離可能に接着されている
ことを特徴とする細胞集合体形成器具。 - 前記ウェルの底面の面積は、1×102〜2×106μm2の範囲である
ことを特徴とする請求項1に記載された細胞集合体形成器具。 - 前記ウェルは、その底面の面積よりも前記第一基材の他方側の表面における開口の面積が小さくなるテーパ形状に形成されている
ことを特徴とする請求項1又は2に記載された細胞集合体形成器具。 - 前記第一基材の他方側の表面を前記細胞接着性表面に当接させた状態で前記培養器具と接触して互いの相対的な位置を固定する位置決め構造を有する
ことを特徴とする請求項1乃至3のいずれかに記載された細胞集合体形成器具。 - 請求項1乃至4のいずれかに記載された細胞集合体形成器具と、
前記細胞集合体形成器具の前記第一基材の前記他方側の表面を当接させて前記細胞集合体形成器具の前記ウェル内の前記細胞集合体を沈降させる細胞接着性表面を有する培養器具と、
を含む
ことを特徴とする細胞集合体転写キット。 - 前記細胞集合体形成器具及び前記培養器具の少なくとも一方は、前記第一基材の前記他方側の表面を前記細胞接着性表面に当接させた状態で他方と接触して互いの相対的な位置を固定する位置決め構造を有する
ことを特徴とする請求項5に記載された細胞集合体転写キット。 - 請求項1乃至4のいずれかに記載された細胞集合体形成器具の前記第一基材の前記他方側の表面を当接させて前記細胞集合体形成器具の前記ウェル内の前記細胞集合体を沈降させる細胞接着性表面と、
前記第一基材の前記他方側の表面を前記細胞接着性表面に当接させた状態で前記細胞集合体形成器具と接触して互いの相対的な位置を固定する位置決め構造と、
を有する
ことを特徴とする細胞集合体培養器具。 - 請求項1乃至4のいずれかに記載された細胞集合体形成器具の前記ウェル内で浮遊状態の細胞集合体を形成する集合体形成工程と、
前記細胞集合体形成器具の前記第一基材の前記他方側の表面を所定の細胞接着性表面に当接させて、前記ウェル内の前記細胞集合体を前記細胞接着性表面上に沈降させるとともに、前記細胞接着性表面に当接している前記第一基材から前記第二基材を剥離する転写工程と、
前記細胞接着性表面に接着した前記細胞集合体を培養する集合体培養工程と、
を含む
ことを特徴とする細胞集合体の培養方法。
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