BrainAligner: 3D registration atlases of Drosophila brains.

BrainAligner: 3D registration atlases of Drosophila brains.
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DOI:
10.1038/nmeth.1602
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发表时间:
2011-06
期刊:
影响因子:
48
通讯作者:
Simpson, Julie H.
Simpson, Julie H.
中科院分区:
生物学1区
文献类型:
--
作者:
Peng, Hanchuan;Chung, Phuong;Long, Fuhui;Qu, Lei;Jenett, Arnim;Seeds, Andrew M.;Myers, Eugene W.;Simpson, Julie H.

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在数千个个体大脑的3D图像堆栈中分析果蝇神经表达模式需要将它们注册到基于神经元形态学基准参考的规范框架中。给定标记有预定义标志的目标大脑,BrainAligner程序自动找到受试者大脑中的相应标志,并通过可变形扭曲将其映射到目标大脑的坐标系。使用神经元标记物(抗体nc82)作为脑形态学的参考,目标脑本身是295个脑的统计平均值,我们实现了平均2μm的配准精度,允许评估成年果蝇脑的刻板性,潜在连接和功能映射。我们使用BrainAligner生成了一个包含2,954个注册大脑的图像模式图谱,其中包含470种不同的表达模式,涵盖了苍蝇大脑的所有主要部分。
Analyzing Drosophila neural expression patterns in thousands of 3D image stacks of individual brains requires registering them into a canonical framework based on a fiducial reference of neuropil morphology. Given a target brain labeled with predefined landmarks, the BrainAligner program automatically finds the corresponding landmarks in a subject brain and maps it to the coordinate system of the target brain via a deformable warp. Using a neuropil marker (the antibody nc82) as a reference of the brain morphology and a target brain that is itself a statistical average of 295 brains, we achieved a registration accuracy of 2µm on average, permitting assessment of stereotypy, potential connectivity, and functional mapping of the adult fruitfly brain. We used BrainAligner to generate an image pattern atlas of 2,954 registered brains containing 470 different expression patterns that cover all the major compartments of the fly brain.
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发表时间: 1998-03-01
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