An unconventional distribution pattern of retinal ganglion cells in the giant panda (Ailuropoda melanoleuca)
W. Wang1; C. Wang2; Y. Zhou1; R. Wei2; Y. Nan1; L. Deng2; J. Gao1; C. Zhang3; D. Li2; M. Pu1
2017-07
会议名称2017年第二届曲阜视觉科学会议
会议日期2017.7.2
会议地点曲阜
摘要

PURPOSE:: Characterize the vertical distribution pattern of retinal ganglion cells in the giant panda.

Methods: Four eyeballs were immediately collected from deceased adult pandas. Routine immunohistochemical staining techniques were applied to label retinal ganglion cells (RGCs). RNA-binding protein with multiple splicing (RBPMS) was used as an RGC marker to selectively label RGCs (custom-made by ProSci Inc, CA) and SMI-32 was used as an Alpha RGC marker. Immunostained RGCs were scanned under confocal microscopy and analyzed with commercial software (Adobe Photoshop and Microsoft Excel).
RESULTS: As expected, the isodensity map of RGCs in the cat exhibited a typical horizontally positioned visual streak, in contrast, that of the panda showed a vertically oriented isodensity RGCs band. This band crossed the center of AC-like peak density region and extended vertically from the superior to the inferior retina (5.22 ± 0.46 mm, n=3). The averaged width of the band was 2.18 ± 0.32 mm (n=3). SMI-32 positive RGCs were also analyzed, accordingly.
CONCLUSION: The present study suggests that the giant panda adopted a retinal structure that is essential for better visual performance and survival. These morphological characteristics of RGCs could be important for understanding visual adaptation and evolution of this living fossil.

学科领域视觉神经科学
语种英语
文献类型会议论文
条目标识符http://ir.psych.ac.cn/handle/311026/22051
专题心理所主办学术会议_2017年第二届曲阜视觉科学会议_会议摘要
作者单位1.Dept Anatomy, Peking University
2.China conservation and research center for the giant panda, Chendu, China
3.Dept Ophthalmology, The third hospital of Peking University
推荐引用方式
GB/T 7714
W. Wang,C. Wang,Y. Zhou,et al. An unconventional distribution pattern of retinal ganglion cells in the giant panda (Ailuropoda melanoleuca)[C],2017.
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