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JoVE Encyclopedia of Experiments
Neuroscience
斑马鱼胚胎原代视网膜神经节细胞培养物的产生
斑马鱼胚胎原代视网膜神经节细胞培养物的产生
Encyclopedia of Experiments
Neuroscience
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Encyclopedia of Experiments Neuroscience
Generation of Primary Retinal Ganglion Cell Cultures From Zebrafish Embryos

斑马鱼胚胎原代视网膜神经节细胞培养物的产生

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03:10 min
July 8, 2025
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Transcript

从胚胎培养基中的早期发育阶段斑马鱼胚胎开始。

去除绒毛膜,胚胎周围的保护膜,并将胚胎转移到含有培养基的新鲜培养板中。

取出胚胎的尾部,然后将头部分开,轻轻地将眼睛从头部上分离。

眼睛包含视网膜,这是一层薄薄的组织,容纳视网膜神经节细胞。

将眼睛转移到装有斑马鱼细胞培养基的管中。

机械解离眼睛以释放视网膜神经节细胞并形成单细胞悬浮液。

取盖玻片,放入装有斑马鱼培养基的培养板中。

盖玻片涂有合成聚合物和粘附蛋白。

将

细胞转移到盖玻片的中心并孵育。

视网膜神经节细胞附着在涂层表面上,此外,这些细胞会发育出称为轴突的长突起。

从

培养箱中取出斑马鱼胚胎,将胚胎浸入含有70%乙醇的35毫米组织培养皿中,5至10秒以进行灭菌。使用转移移液器,将胚胎转移到含有无菌 E2 培养基的 E2 培养基 #1 培养皿中,以洗掉多余的乙醇。然后,将胚胎转移到 E2 培养基 #2 培养皿中,并用锋利的镊子去除绒毛膜。最后,将胚胎转移到 E2 培养基 #3 培养皿中进行解剖。

使用一对细镊子,用其中一个镊子将胚胎定位并固定在卵黄的前面,然后用其他镊子去除卵黄囊后面的尾巴。用镊子抓住颈部并取下头部,使大脑和眼睛暴露在 E2 介质下。用细镊子的尖端,轻轻地从头部转动眼睛,同时用第二个镊子按住颅骨组织。将四只眼睛转移到先前准备好的含有ZFCM +的试管之一。

用P20移液器轻轻上下研磨约45次以解离细胞。将带有解离细胞的ZFCM +转移到盖玻片的中心。将培养物保持在 22 摄氏度的台面上,在聚苯乙烯泡沫架上以吸收振动。在成像当天,在显微镜下检查细胞以验证 RGC 轴突的生长。

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