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Related Concept Videos

Human Genetics01:28

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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Time-Varying Gene Network Analysis of Human Prefrontal Cortex Development.

Huihui Wang1, Yongqing Wu1, Ruiling Fang1

  • 1Division of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, China.

Frontiers in Genetics
|December 11, 2020
PubMed
Summary

This study reveals three distinct developmental stages of human prefrontal cortex (PFC) gene networks, identifying key genes and pathways crucial for brain development across the lifespan.

Keywords:
gene network changehub genehuman PFCloggle modeltime-varying graph

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Area of Science:

  • Neuroscience
  • Genomics
  • Developmental Biology

Background:

  • The prefrontal cortex (PFC) is vital for social and executive functions.
  • Gene interaction network development in the PFC over a human lifespan remains largely uncharacterized.

Purpose of the Study:

  • To investigate the dynamic changes in PFC gene interaction networks throughout human development.
  • To identify critical hub genes and pathways associated with PFC maturation and aging.

Main Methods:

  • Utilized time-series gene expression data from human PFC tissues.
  • Employed the loggle statistical model to construct age-dependent gene networks.
  • Applied network similarity and centrality analyses to map developmental trajectories.

Main Results:

  • Human PFC development exhibits three distinct phases: rapid growth, slowed development/stabilization, and decline.
  • Identified stage-specific genes involved in neurogenesis, synaptic plasticity, and myelination.
  • Characterized the developmental patterns of key KEGG pathways and their associated hub genes within the PFC.

Conclusions:

  • The study elucidates the temporal dynamics of PFC gene interactions, offering insights into brain development.
  • Proposes candidate genes and pathways for further investigation into PFC function and dysfunction.
  • The analytical framework provides a model for studying brain network evolution in other species.