Cited by 45Advanced Neuroimaging Techniques and ApplicationsCognitive Abilities and TestingGenetic Associations and Epidemiology

Quantitative tract-based white matter heritability in twin neonates

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Lee, Seung Jae, Steiner, Rachel J., Luo, Shikai, Neale, Michael C., Styner, Martin, Zhu, Hongtu, Gilmore, John H.·2015·NeuroImage

Abstract

Studies in adults indicate that white matter microstructure, assessed with diffusion tensor imaging (DTI), has high heritability. Little is known about genetic and environmental influences on DTI parameters, measured along fiber tracts particularly, in early childhood. In the present study, we report comprehensive heritability data of white matter microstructure fractional anisotropy (FA), radial diffusion (RD), and axial diffusion (AD) along 47 fiber tracts using the quantitative tractography in a large sample of neonatal twins (n=356). We found significant genetic influences in almost all tracts with similar heritabilities for FA, RD, and AD as well as positive relationships between these parameters and heritability. In a single tract analysis, genetic influences along the length of the tract were highly variable. These findings suggest that at birth, there is marked heterogeneity of genetic influences of white matter microstructure within white matter tracts. This study provides a basis for future studies of developmental changes in genetic and environmental influences during early childhood, a period of rapid development that likely plays a major role in individual differences in white matter structure and function.

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  • White-matter microstructure as represented by FA is generally highly heritable in adults, with variability across tracts.

    “white-matter microstructure, as represented by FA, is generally highly heritable in adults, with variability across different white-matter tracts147, 148.”

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Authors
Lee, S. J., Steiner, R. J., Luo, S., Neale, M. C., Styner, M., Zhu, H., & Gilmore, J. H.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • North Carolina State University (US)
  • Virginia Commonwealth University (US)
Corresponding author
Gilmore, John H.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2015-05
Volume
111
Pages
123-135
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2083359501
Cited by
45
References
53
Citations by year
2026: 1 · 2024: 2 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 6 · 2019: 5 · 2018: 10 · 2017: 4 · 2016: 3 · 2015: 1 · 2013: 1
FWCI
4.86
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (MH 070890, RR025747-01, MH086633)
  • National Science Foundation (SES-1357666, DMS-1407655)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
white matter microstructure, fractional anisotropy, radial diffusion, axial diffusion, fiber tracts, genetic factors, early childhood brain development, individual differences
MeSH terms
Brain, Female, Humans, Infant, Newborn, Male, Inheritance Patterns, Diffusion Tensor Imaging, Gene-Environment Interaction, White Matter

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