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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
/ ]4 E( P1 m* L. Z! p; B/ T2i Media
# q5 R, P" y7 K& ~0 k) ~7 h' S2 D( IFor 1L, N2B27 Medium (Ying Q, Nature Biotechnology 2003)
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; [2 a, r# `7 [" c$ o8 }1 \1. 500 ml of DMEM/F12 supplemented with modified N2 (Invitrogen) u, o$ R" g0 V. \* d9 R6 ]
2. 500 ml of Neurobasal medium supplemented with B27 (Invitrogen).
" V# l6 k+ R: }3. Pen-Strep (final 50 units-50ug) 5 ml
5 n& o" S& x# }9 x( ~2 V, H) S4. bME (final, 0.1mM) 100 ul (1M stock)
1 [, ^$ x( M; l9 W+ K+ X8 }5. Lif (final, 1000 units/ml) 8 ml (1.25x 105 units/ml stock)
S6 | k8 n0 S6. PD0325901 (final 1 uM) 0.5 ml (2000x stock)) n- t3 Q: j# T9 _1 _) m
7. CHIR99021 (final 3 uM) 0.5 ml (2000x stock)
* @* M1 ^: T! P8. Amphotericin B (optional) 1:100 标准计量看说明书0 ~( i B4 v$ p# ~, D3 E
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