*Result*: Combined somatic mutation and transcriptome analysis reveals region-specific differences in clonal architecture in human cortex.

Title:
Combined somatic mutation and transcriptome analysis reveals region-specific differences in clonal architecture in human cortex.
Authors:
Viswanadham VV; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA; Bioinformatics and Integrative Genomics Program, Harvard Medical School, Boston, MA, USA., Kim SN; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Program in Biological and Biomedical Sciences, Harvard University, Boston, MA, USA., Caglayan E; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Doan RN; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA., Dou Y; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA., Bizzotto S; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Khoshkhoo S; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA., Huang AY; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Yeh R; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA., Chhouk BH; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA., Truong A; Research Computing, Harvard Medical School, Boston, MA, USA., Chappell KM; Research Computing, Harvard Medical School, Boston, MA, USA., Beaudin M; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA., Barton A; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA; Bioinformatics and Integrative Genomics Program, Harvard Medical School, Boston, MA, USA., Akula SK; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA., Zhao Y; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA; Program in Health Sciences & Technology, Harvard Medical School & Massachusetts Institute of Technology, Boston, MA, USA., Rento L; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA., Lodato M; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Szeto RA; Program in Biological and Biomedical Sciences, Harvard University, Boston, MA, USA., Ganz J; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Li P; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Tsai JW; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA., Hill RS; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA., Park PJ; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA. Electronic address: peter_park@hms.harvard.edu., Walsh CA; Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Department of Pediatrics, and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA; Departments of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Program in Biological and Biomedical Sciences, Harvard University, Boston, MA, USA. Electronic address: christopher.walsh@childrens.harvard.edu.
Source:
Cell reports [Cell Rep] 2025 Nov 25; Vol. 44 (11), pp. 116458. Date of Electronic Publication: 2025 Nov 14.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Cell Press Country of Publication: United States NLM ID: 101573691 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2211-1247 (Electronic) NLM ISO Abbreviation: Cell Rep Subsets: MEDLINE
Imprint Name(s):
Original Publication: [Cambridge, MA] : Cell Press, c 2012-
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Grant Information:
F31 CA264958 United States CA NCI NIH HHS; U01 MH106883 United States MH NIMH NIH HHS; T15 LM007092 United States LM NLM NIH HHS; UH3 NS132144 United States NS NINDS NIH HHS; K08 NS128272 United States NS NINDS NIH HHS; United States HHMI Howard Hughes Medical Institute; R01 NS032457 United States NS NINDS NIH HHS; L30 NS118655 United States NS NINDS NIH HHS
Contributed Indexing:
Keywords: CP: genomics; CP: neuroscience; cortical development; glutamatergic neurons; interneurons; lineage tracing; single-cell transcriptomics; somatic mutations; spatial genomics; visual cortex
Entry Date(s):
Date Created: 20251115 Date Completed: 20251129 Latest Revision: 20260307
Update Code:
20260307
PubMed Central ID:
PMC12766648
DOI:
10.1016/j.celrep.2025.116458
PMID:
41240340
Database:
MEDLINE

*Further Information*

*The human cerebral cortex is specialized into regions, but little is known about how human cellular lineages shape cortical regional variation and neuronal cell-type distribution during development. Here, we map single-cell lineages of human cortical regions and neuronal subtypes using >1,000 somatic single-nucleotide variants (sSNVs) identified from deep bulk whole-genome sequencing and analyzed over 25 regions and >72,000 single cells. In the fronto-parietal cortex, sSNVs are rarely restricted, marking neuron-generating clones that disperse into neighboring regions. In contrast, the primary visual cortex harbors 30%-70% more sSNVs than the neighboring secondary visual cortex. Clones at this border exhibit more restricted dispersion, suggesting late developmental lineage segregation. Single-nucleus sSNV and whole-transcriptome analysis reveal glutamatergic neuron clones with modest regional restrictions that share low-mosaic sSNVs with some GABAergic neurons, suggesting a recent dorsal cortical progenitor. Our analysis reveals human-specific cortical lineage patterns, regional differences in clonal patterns, and late divergence of some glutamatergic/GABAergic lineages.
(Copyright © 2025 The Author(s). Published by Elsevier Inc. All rights reserved.)*

*Declaration of interests C.A.W. and P.J.P. are on the scientific advisory board (SAB) of Bioskryb Genomics (cash and equity), and C.A.W. is on the SAB of Mosaica Therapeutics (cash and equity) and is an advisor to Maze Therapeutics (equity).*