Brain mapping using the immediate early gene Zenk

Tadd B. Patton, Ahmet K. Uysal, S. Leilani Kellogg, Toru Shimizu

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

Several lines of evidence show that induction of immediate early genes (IEGs) is a crucial step in the regulation of long-term plasticity-related changes at the cellular level. The term immediate early gene aptly characterizes the fact that these genes are induced rapidly, within minutes, and transiently following neuronal activation. This is due to the fact that their activation is not dependent on de novo protein synthesis as other, late response genes require. Such rapid induction of these genes offers a unique and powerful way to examine how a specific stimulus can lead to long-term cellular changes. By mapping IEG mRNA activity or the resulting protein expression, researchers have been able to investigate patterns of brain activation in response to various stimuli and in different behavioral paradigms. In addition, IEG activity can be used to examine structural and functional aspects of brain hemisphere lateralization. Several IEGs will be discussed in this chapter but our specific methods will focus on Zenk, a widely studied IEG in birds that has been used to identify specific brain regions critical for song learning, memory, homing behavior, and conspecific recognition. Here, we describe how standard immunohistochemical techniques and widely available imaging software can be used to visualize ZENK protein expression at the cellular level and at a macro level, such as whole sagittal or coronal brain sections. These visualization techniques provide the investigator with a powerful tool to examine asymmetries in the brain.

Original languageEnglish (US)
Title of host publicationNeuromethods
PublisherHumana Press Inc.
Pages313-329
Number of pages17
DOIs
StatePublished - Jan 1 2017

Publication series

NameNeuromethods
Volume122
ISSN (Print)0893-2336
ISSN (Electronic)1940-6045

Keywords

  • Avian
  • EGR-1
  • Immediate early gene
  • Immunohistochemistry
  • Plasticity

ASJC Scopus subject areas

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Psychiatry and Mental health

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    Patton, T. B., Uysal, A. K., Kellogg, S. L., & Shimizu, T. (2017). Brain mapping using the immediate early gene Zenk. In Neuromethods (pp. 313-329). (Neuromethods; Vol. 122). Humana Press Inc.. https://doi.org/10.1007/978-1-4939-6725-4_10