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NIH Research Festival

September 13 – 15, 2017

Gene networks activated by specific patterns of action potentials in dorsal root ganglia neurons

Thursday, September 14, 2017 – Poster Session III
12:00 – 1:30 p.m.

FAES Terrace

NICHD

NEURO-15

Authors

  • PR Lee
  • JE Cohen
  • DA Iacobas
  • S Iacobas
  • RD Fields

Abstract

Gene regulatory networks underlie the long-term changes in cell specification, growth of synaptic connections, and adaptation that occur throughout neonatal and postnatal life. Here we show that the transcriptional response in neurons is exquisitely sensitive to the temporal nature of action potential firing patterns. Neurons were electrically stimulated with the same number of action potentials, but with different inter-burst intervals. We found that these subtle alterations in the timing of action potential firing differentially regulates hundreds of genes, across many functional categories, through the activation or repression of distinct transcriptional networks. Our results demonstrate that the transcriptional response in neurons to environmental stimuli, coded in the pattern of action potential firing, can be very sensitive to the temporal nature of action potential delivery rather than the intensity of stimulation or the total number of action potentials delivered. These data identify temporal kinetics of action potential firing as critical components regulating intracellular signalling pathways and gene expression in neurons to extracellular cues during early development and throughout life

Scientific Focus Area: Neuroscience

This page was last updated on Friday, March 26, 2021

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Current Research Festival

  • 2025
  • 2024
    • General Schedule of Events
    • 2024 NIH Distinguished Scholars Program
    • Poster Sessions
    • Concurrent Workshops
    • NIH Resource Information Fair
    • National Academy of Science Mini-Symposium
    • Special Wednesday Events
    • Vendor Exhibit Information
    • Green Labs Fair
    • Research Festival Committee
  • 2023
    • General Schedule of Events
    • NIH Early–Career Investigator Lectures
    • Poster Sessions
    • Concurrent Workshops
    • NIH Resource Information Fair
    • Vendor Exhibit Information
    • Research Festival Committee
  • 2021
  • 2019
    • General Schedule of Events
    • Plenary Sessions
    • Poster Session
    • Data Blitz
    • FARE Award Ceremony
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committee
  • 2018
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
    • Poster Sessions
    • FARE Award Ceremony
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committees
  • 2017
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
    • Poster Sessions
    • FARE Award Ceremony
    • Future Research Leaders
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committees
  • 2016
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
    • Poster Sessions
    • Browse by Presenter Name
    • Browse by Presenter IC
    • FARE Award Ceremony
    • Future Research Leaders
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Tours of the National Library of Medicine and Clinical Center
    • Research Festival Committees
  • 2015
    • General Schedule of Events
    • Plenary Sessions
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    • Browse by Presenter Name
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