摘要: 大脑由大量相互连接的神经元组成,大约1,000亿个神经元在我们的大脑中形成一个复杂且相互关联的神经网络,使我们能够生成复杂的思维模式和行动。神经元是神经系统的结构和功能的单位之一。神经元能感知环境的变化,再将信息传递给其他的神经元,并指令身体做出反应。神经退行性疾病最终导致的病理特征之一就是神经细胞渐进性死亡,神经网络破坏,从而引起记忆或运动能力丧失、行为异常、生活不能自理。针对神经元的胞体和突起识别,对其胞体大小,神经突起长度,节点数量及不同神经元突起之间的接触数量进行识别定量,是重要且客观的神经元结构的评价指标。
材料与试剂
- Corning® 96-well Flat Clear Bottom Black Polystyrene TC-treated Microplates, Individually Wrapped, with Lid, Sterile (Corning, catalog number: 3603)
- Corning® 100 mm TC-treated Culture Dish (Corning, catalog number: 430167)
- Corning® Matrigel® hESC-Qualified Matrix (Corning, catalog number: 07181)
- STEMdiffTM Neural Progenitor Medium (STEMCELL, catalog number: 05833)
- AccutaseTM (Stemcell, catalog number: 07922)
- DPBS (BI, catalog number: 02-023-1 ACS)
- DAPI (Sigma, catalog number: D 9542)
- Anti-Tuj1 antibody (Sigma, catalog number: T 8660)
- Donkey anti-Mouse 488 (Invitrogen, catalog number: A-21202)
- 4% 多聚甲醛固定液 (BBI, catalog number: E 672002)
- STEMdiffTM Neural Progenitor Medium(Stemcell, catalog number:05833)
- Normal Donkey Serum (Jackson, catalog number:017-000-121)
- N2 Supplement-A (Stemcell, catalog number: 07152)
- NeuroCult™ SM1 Neuronal Supplement (Stemcell, catalog number: 05711)
- BrainPhy Neurobasal Medium (Stemcell, catalog number: 05790)
- Culture one (Gibco, catalog number: A3320201)
- Triton X-100 (BBI, catalog number: A600198)
- Hu Recom BDNF (Stemcell, catalog number:78005.1)
- Hu Recom GDNF (Stemcell, catalog number:78058.1)
- Hu Recom IGF-I (Stemcell, catalog number:78022.1)
- L-Ascorbic acid (Sigma,catalog number:A4403)
- cAMP(Sigma,catalog number: D-0260-5MG)
- 抗体稀释液(见溶液配方)
- 封闭缓冲液(见溶液配方)
- 神经分化培养基(见溶液配方)
仪器设备
- 细胞培养箱(Eppendorf, C 170i)
- 离心机(Eppendorf, 5810 R,)
- 全自动细胞计数仪(Countstar, Countstar FL)
- 高通量活细胞分析仪(Thermo Fisher Cellomics, VTI 700)
实验步骤
Copyright: © 2021 The Authors; exclusive licensee Bio-protocol LLC.
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