Comparative transcriptomics reveals human-specific cortical features

Author:

Jorstad Nikolas L.1ORCID,Song Janet H. T.2345ORCID,Exposito-Alonso David2345ORCID,Suresh Hamsini6ORCID,Castro-Pacheco Nathan6ORCID,Krienen Fenna M.7ORCID,Yanny Anna Marie1,Close Jennie1ORCID,Gelfand Emily1ORCID,Long Brian1ORCID,Seeman Stephanie C.1ORCID,Travaglini Kyle J.1ORCID,Basu Soumyadeep89ORCID,Beaudin Marc2345ORCID,Bertagnolli Darren1ORCID,Crow Megan610ORCID,Ding Song-Lin1ORCID,Eggermont Jeroen8ORCID,Glandon Alexandra1ORCID,Goldy Jeff1ORCID,Kiick Katelyn1ORCID,Kroes Thomas8ORCID,McMillen Delissa1ORCID,Pham Trangthanh1ORCID,Rimorin Christine1ORCID,Siletti Kimberly11ORCID,Somasundaram Saroja1ORCID,Tieu Michael1ORCID,Torkelson Amy1ORCID,Feng Guoping121314,Hopkins William D.15,Höllt Thomas9ORCID,Keene C. Dirk16ORCID,Linnarsson Sten11ORCID,McCarroll Steven A.717ORCID,Lelieveldt Boudewijn P.818ORCID,Sherwood Chet C.19ORCID,Smith Kimberly1ORCID,Walsh Christopher A.2345ORCID,Dobin Alexander6ORCID,Gillis Jesse20ORCID,Lein Ed S.1ORCID,Hodge Rebecca D.1ORCID,Bakken Trygve E.1ORCID

Affiliation:

1. Allen Institute for Brain Science, Seattle, WA 98109, USA.

2. Allen Discovery Center for Human Brain Evolution, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA.

3. Division of Genetics and Genomics, Boston Children’s Hospital, Boston, MA 02115, USA.

4. Department of Pediatrics and Neurology, Harvard Medical School, Boston, MA 02115, USA.

5. Howard Hughes Medical Institute, Boston Children’s Hospital, Boston, MA 02115, USA.

6. Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.

7. Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.

8. LKEB, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands.

9. Computer Graphics and Visualization Group, Delft University of Technology, Delft, Netherlands.

10. Stanley Institute for Cognitive Genomics, Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.

11. Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.

12. McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

13. Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

14. Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.

15. Keeling Center for Comparative Medicine and Research, University of Texas, MD Anderson Cancer Center, Houston, TX 78602, USA.

16. Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA.

17. Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.

18. Pattern Recognition and Bioinformatics Group, Delft University of Technology, Delft, Netherlands.

19. Department of Anthropology, The George Washington University, Washington, DC 20037, USA.

20. Department of Physiology, University of Toronto, Toronto, ON, Canada.

Abstract

The cognitive abilities of humans are distinctive among primates, but their molecular and cellular substrates are poorly understood. We used comparative single-nucleus transcriptomics to analyze samples of the middle temporal gyrus (MTG) from adult humans, chimpanzees, gorillas, rhesus macaques, and common marmosets to understand human-specific features of the neocortex. Human, chimpanzee, and gorilla MTG showed highly similar cell-type composition and laminar organization as well as a large shift in proportions of deep-layer intratelencephalic-projecting neurons compared with macaque and marmoset MTG. Microglia, astrocytes, and oligodendrocytes had more-divergent expression across species compared with neurons or oligodendrocyte precursor cells, and neuronal expression diverged more rapidly on the human lineage. Only a few hundred genes showed human-specific patterning, suggesting that relatively few cellular and molecular changes distinctively define adult human cortical structure.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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