Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice

Michele Schaefer, Scott T. Wong, David F. Wozniak, Lisa M. Muglia, Jason A. Liauw, Min Zhuo, Anthony Nardi, Richard E. Hartman, Sherri K. Vogt, Christina E. Luedke, Daniel R. Storm, Louis J. Muglia

Research output: Contribution to journalArticle

Abstract

Stress results in alterations in behavior and physiology that can be either adaptive or maladaptive. To define the molecular pathways involved in the response to stress further, we generated mice deficient (KO) in the calcium-stimulated adenylyl cyclase type VIII (AC8) by homologous recombination in embryonic stem cells. AC8 KO mice demonstrate a compromise in calcium-stimulated AC activity in the hippocampus, hypothalamus, thalamus, and brainstem. Hippocampal slices derived from AC8 KO mice fail to demonstrate CA1-region long-term depression after low-frequency stimulation, and AC8 KO mice also fail to activate CRE-binding protein in the CA1 region after restraint stress. To define the behavioral consequences of AC8 deficiency, we evaluated AC8 KO mice in the elevated plus-maze and open field. Although naive AC8 KO mice exhibit indices of anxiety comparable with that of wild-type mice, AC8 KO mice do not show normal increases in behavioral markers of anxiety when subjected to repeated stress such as repetitive testing in the plus-maze or restraint preceding plug-maze testing. These results demonstrate a novel role for AC8 in the modulation of anxiety.

Original languageEnglish (US)
Pages (from-to)4809-4820
Number of pages12
JournalJournal of Neuroscience
Volume20
Issue number13
StatePublished - Jul 1 2000
Externally publishedYes

Fingerprint

Anxiety
Calcium
adenylyl cyclase 8
Homologous Recombination
Embryonic Stem Cells
Thalamus
Hypothalamus
Brain Stem
Hippocampus
Carrier Proteins
Depression

Keywords

  • Adenylyl cyclase
  • cAMP response element-binding protein
  • Hippocampus
  • Knock-out mice
  • Long-term depression
  • Plus-maze

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Schaefer, M., Wong, S. T., Wozniak, D. F., Muglia, L. M., Liauw, J. A., Zhuo, M., ... Muglia, L. J. (2000). Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice. Journal of Neuroscience, 20(13), 4809-4820.

Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice. / Schaefer, Michele; Wong, Scott T.; Wozniak, David F.; Muglia, Lisa M.; Liauw, Jason A.; Zhuo, Min; Nardi, Anthony; Hartman, Richard E.; Vogt, Sherri K.; Luedke, Christina E.; Storm, Daniel R.; Muglia, Louis J.

In: Journal of Neuroscience, Vol. 20, No. 13, 01.07.2000, p. 4809-4820.

Research output: Contribution to journalArticle

Schaefer, M, Wong, ST, Wozniak, DF, Muglia, LM, Liauw, JA, Zhuo, M, Nardi, A, Hartman, RE, Vogt, SK, Luedke, CE, Storm, DR & Muglia, LJ 2000, 'Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice', Journal of Neuroscience, vol. 20, no. 13, pp. 4809-4820.
Schaefer M, Wong ST, Wozniak DF, Muglia LM, Liauw JA, Zhuo M et al. Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice. Journal of Neuroscience. 2000 Jul 1;20(13):4809-4820.
Schaefer, Michele ; Wong, Scott T. ; Wozniak, David F. ; Muglia, Lisa M. ; Liauw, Jason A. ; Zhuo, Min ; Nardi, Anthony ; Hartman, Richard E. ; Vogt, Sherri K. ; Luedke, Christina E. ; Storm, Daniel R. ; Muglia, Louis J. / Altered stress-induced anxiety in adenylyl cyclase type VIII-deficient mice. In: Journal of Neuroscience. 2000 ; Vol. 20, No. 13. pp. 4809-4820.
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