Detecting steroidal effects on immediate early gene expression in the hypothalamus

Gloria E. Hoffman, M (Susan) Smith, Mark D. Fitzsimmons

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

Immediate early genes are rapidly and transiently expressed within neurons following stimulation. While it is likely immediate early gene products alter gene expression in neurons, the products of the Immediate early genes also serve as excellent markers for Identifying activated neurons. The immunocytochemical localization of immediate early gene products enables the analysis of changes In activation of individual neurons in the brain in response to gonadal steroids or other stimuli. The technique presented in this article outlines the strategies for using immediate early gene proteins in the fos family as markers for neuronal activity and focuses principally on the examination of one chemically identified neuron population, the luteinizing hormone-releasing hormone system. Included are comparisons of the staining of brain tissue for c-fos and related antigens following use of different tissue fixatives. Because some of the c-fos antibodies also recognize other proteins in the fos family, we have presented data comparing staining patterns obtained with a number of available antisera. We also describe some of the approaches we use to analyze c-fos expression.

Original languageEnglish (US)
Pages (from-to)52-66
Number of pages15
JournalNeuroprotocols
Volume1
Issue number1
DOIs
StatePublished - 1992
Externally publishedYes

Fingerprint

Immediate-Early Genes
Hypothalamus
Gene Expression
Neurons
Immediate-Early Proteins
Staining and Labeling
Proto-Oncogene Proteins c-fos
Fixatives
Brain
Gonadotropin-Releasing Hormone
Immune Sera
Proteins
Steroids
Antibodies
Population

Cite this

Detecting steroidal effects on immediate early gene expression in the hypothalamus. / Hoffman, Gloria E.; Smith, M (Susan); Fitzsimmons, Mark D.

In: Neuroprotocols, Vol. 1, No. 1, 1992, p. 52-66.

Research output: Contribution to journalArticle

Hoffman, Gloria E. ; Smith, M (Susan) ; Fitzsimmons, Mark D. / Detecting steroidal effects on immediate early gene expression in the hypothalamus. In: Neuroprotocols. 1992 ; Vol. 1, No. 1. pp. 52-66.
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