食欲素 B 增强外膝体纤维投射至视皮层第 6b 层锥体细胞的突触传递
【目的】探究食欲素B(Orexin B)调控外膝体(LGN)纤维投射至视皮层(visual cortex,VC)第6层b亚层(L6b)中的食欲素B敏感神经元(Orexin敏感神经元)的突触传递作用。【方法】选用P25~P30的C57小鼠,脑立体定位注射CTB555或者ChR2-EGFP,分别标记VC中L6b反馈投射到LGN的神经细胞和源自LGN前馈投射至L6b的神经纤维。膜片钳的方法记录CTB555标记的L6b中的神经细胞的突触后电流(EPSC),电刺激皮层白质或蓝光刺激ChR2-EGFP(Channelrhodopsin2-Enhanced Green Fluorescent Protein...
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Main Authors: | 童昕, 黄梦瑶 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2020-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
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Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43567355/ |
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