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$ M; ~, P, `1 t3 a问题出在你的培养基上,我一直在用经典的2i培养基培养,成分如下+ Q1 F f8 ^- g1 x& P
2i Media
6 x+ r" I" D, ~9 c0 I& rFor 1L, N2B27 Medium (Ying Q, Nature Biotechnology 2003)
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* H% L; z0 T3 s. s* u( N' g" l1. 500 ml of DMEM/F12 supplemented with modified N2 (Invitrogen)2 k& [+ N n# a: r$ T* y q
2. 500 ml of Neurobasal medium supplemented with B27 (Invitrogen).5 U' }8 I' j2 h
3. Pen-Strep (final 50 units-50ug) 5 ml
" y7 o8 ^4 p! a: b3 @7 E8 `4. bME (final, 0.1mM) 100 ul (1M stock)1 ]( V+ D5 V: Q& s& I# q1 ?
5. Lif (final, 1000 units/ml) 8 ml (1.25x 105 units/ml stock)3 N) Z6 w2 T2 ]
6. PD0325901 (final 1 uM) 0.5 ml (2000x stock)6 z. M0 T0 o, {
7. CHIR99021 (final 3 uM) 0.5 ml (2000x stock)
9 \/ g w, N R7 h! R2 g8. Amphotericin B (optional) 1:100 标准计量看说明书
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