Integration of multiscale dendritic spine structure and function data into systems biology models

James J. Mancuso, Jie Cheng, Zheng Yin, Jared C. Gilliam, Xiaofeng Xia, Xuping Li, Stephen T C Wong

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Comprising 1011 neurons with 1014 synaptic connections the human brain is the ultimate systems biology puzzle. An increasing body of evidence highlights the observation that changes in brain function, both normal and pathological, consistently correlate with dynamic changes in neuronal anatomy. Anatomical changes occur on a full range of scales from the trafficking of individual proteins, to alterations in synaptic morphology both individually and on a systems level, to reductions in long distance connectivity and brain volume. The major sites of contact for synapsing neurons are dendritic spines, which provide an excellent metric for the number and strength of signaling connections between elements of functional neuronal circuits. A comprehensive model of anatomical changes and their functional consequences would be a holy grail for the field of systems neuroscience but its realization appears far on the horizon. Various imaging technologies have advanced to allow for multi-scale visualization of brain plasticity and pathology, but computational analysis of the big data sets involved forms the bottleneck toward the creation of multiscale models of brain structure and function. While a full accounting of techniques and progress toward a comprehensive model of brain anatomy and function is beyond the scope of this or any other single paper, this review serves to highlight the opportunities for analysis of neuronal spine anatomy and function provided by new imaging technologies and the high-throughput application of older technologies while surveying the strengths and weaknesses of currently available computational analytical tools and room for future improvement.

Original languageEnglish (US)
Article number130
JournalFrontiers in Neuroanatomy
Volume8
Issue numberNovember
DOIs
StatePublished - Nov 12 2014

Keywords

  • Big data
  • Dendritic spines
  • Image analysis
  • Microscopy
  • Modeling and simulations
  • Systems biology

ASJC Scopus subject areas

  • Anatomy
  • Neuroscience (miscellaneous)
  • Cellular and Molecular Neuroscience

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