不同固定剂在激光共聚焦荧光技术中的效果评价
【目的】 探讨3种不同的固定剂在激光共聚焦免疫荧光技术中对信号表达的影响。 【方法】 对培养的NRK-52E细胞分成胞浆,胞膜及胞核抗原3组,每组用4 g/L PFA,甲醇及丙酮分别固定后,完成免疫荧光实验;原代滑膜成纤维样细胞分两组用4 g/L PFA 固定后分别用TritonX-100 和预冷的甲醇进行打孔,完成免疫荧光实验之后,使用Confocal显微镜在条件同等的情况下观察并拍摄荧光图像,以证实不同的固定剂对信号表达的影响。【结果】 胞浆蛋白α-SMA用丙酮固定时信号清晰锐利,将Actin蛋白的丝状结构表达得非常充分;胞膜蛋白ZO-1用甲醇固定处理的信号最清晰;胞核蛋白磷酸化的Smad...
| Published in: | Zhongshan Daxue xuebao. Yixue kexue ban |
|---|---|
| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Office of Journal of Sun Yat-sen University
2009-01-01
|
| Subjects: | |
| Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43578270/ |
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