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Nat Commun. 2019 Nov 7;10(1):5067. doi: 10.1038/s41467-019-13057-w.

Enhanced and unified anatomical labeling for a common mouse brain atlas.

Author information

1
Department of Neural and Behavioral Sciences, College of Medicine, Penn State University, Hershey, PA, USA.
2
Department of Pathology, College of Medicine, Penn State University, Hershey, PA, USA.
3
Department of Neural and Behavioral Sciences, College of Medicine, Penn State University, Hershey, PA, USA. yuk17@psu.edu.

Abstract

Anatomical atlases in standard coordinates are necessary for the interpretation and integration of research findings in a common spatial context. However, the two most-used mouse brain atlases, the Franklin-Paxinos (FP) and the common coordinate framework (CCF) from the Allen Institute for Brain Science, have accumulated inconsistencies in anatomical delineations and nomenclature, creating confusion among neuroscientists. To overcome these issues, we adopt here the FP labels into the CCF to merge the labels in the single atlas framework. We use cell type-specific transgenic mice and an MRI atlas to adjust and further segment our labels. Moreover, detailed segmentations are added to the dorsal striatum using cortico-striatal connectivity data. Lastly, we digitize our anatomical labels based on the Allen ontology, create a web-interface for visualization, and provide tools for comprehensive comparisons between the CCF and FP labels. Our open-source labels signify a key step towards a unified mouse brain atlas.

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