Cited by 61Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsProtein Kinase Regulation and GTPase Signaling

Developmentally Expressed Ca2+-sensitive Adenylyl Cyclase Activity Is Disrupted in the Brains of Type I Adenylyl Cyclase Mutant Mice

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Villacres, Enrique C., Wu, Zhiliang, Hua, Wenhui, Nielsen, Mark D., Watters, Jyoti J., Yan, Chen, Beavo, Joseph, Storm, Daniel R.·1995·Journal of Biological Chemistry

Abstract

The type I Ca(2+)-sensitive adenylyl cyclase has been implicated in several forms of synaptic plasticity in vertebrates. Mutant mice in which this enzyme was inactivated by targeted mutagenesis show deficient spatial memory and altered long term potentiation (Wu, Z. L., Thomas, S. A., Villacres, E. C., Xia, Z., Simmons, M. L., Chavkin, C., Palmiter, R. D., and Storm, D. R. (1995) Proc. Natl Acad Sci. U. S. A. 92, 220-224). Long term potentiation in the CA1 region of the rat hippocampus develops during the first 2 weeks after birth and reaches maximal expression at postnatal day 15 with a gradual decline at later stages of development. Here we report that Ca(2+)-stimulated adenylyl cyclase activity in rat hippocampus, cerebellum, and cortex increases significantly between postnatal days 1-16. This increase appears to be due to enhanced expression of type I adenylyl cyclase rather than type VIII adenylyl cyclase, the other adenylyl cyclase that is directly stimulated by Ca2+ and calmodulin. Type I adenylyl cyclase mRNA in the hippocampus increased 7-fold during this developmental period. The developmental expression of Ca(2+)-stimulated adenylyl cyclase activity in mouse brain was attenuated in mutant mice lacking type I adenylyl cyclase. Changes in expression of the type I adenylyl cyclase during the period of long term potentiation development are consistent with the hypothesis that this enzyme is important for neuroplasticity and spatial memory in vertebrates.

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Crossref · 10.1074/jbc.270.24.14352

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  • Wild-type hippocampus expresses nearly equivalent amounts of AC1 and AC8 mRNA.

    “The wild-type hippocampus expresses nearly equivalent amounts of AC1 and AC8 mRNA (Villacres et al., 1995).”

    From Type I Adenylyl Cyclase Mutant Mice Have Impaired Mossy Fiber Long-Term Potentiation (1998) · cites this paper as Villacres et al., 1995

  • Ca2+ sensitivity of adenylyl cyclase in membranes from AC1 mutant mice was less than wild-type mice.

    “In addition, the Ca 2ϩ sensitivity of the adenylyl cyclase in membranes from AC1 mutant mice was less than wild-type mice, consistent with Ca 2ϩ activation of AC8 (Villacres et al., 1995).”

    From Type I Adenylyl Cyclase Mutant Mice Have Impaired Mossy Fiber Long-Term Potentiation (1998) · cites this paper as Villacres et al., 1995

  • This increase is attributable primarily to the increased expression of AC1.

    “This increase is attributable primarily to the increased expression of AC1 (Villacres et al., 1995).”

    From Type I Adenylyl Cyclase Mutant Mice Have Impaired Mossy Fiber Long-Term Potentiation (1998) · cites this paper as Villacres et al., 1995

  • AC1 is expressed developmentally and reaches a maximum at postnatal day 16.

    “Because AC1 is expressed developmentally and reaches a maximum at postnatal day 16 (Villacres et al., 1995), we were concerned that the hippocampus of AC1 mutant mice might not develop normally.”

    From Type I Adenylyl Cyclase Mutant Mice Have Impaired Mossy Fiber Long-Term Potentiation (1998) · cites this paper as Villacres et al., 1995

  • Ca2+ -stimulated adenylyl cyclase activity in the hippocampus of mice and rats increases between postnatal days 1 and 14.

    “C a 2ϩ -stimulated adenylyl cyclase activity in the hippocampus of mice and rats increases between postnatal days 1 and 14.”

    From Type I Adenylyl Cyclase Mutant Mice Have Impaired Mossy Fiber Long-Term Potentiation (1998) · cites this paper as Villacres et al., 1995

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Authors
Villacres, E. C., Wu, Z., Hua, W., Nielsen, M. D., Watters, J. J., Yan, C., Beavo, J., & Storm, D. R.
Affiliations
University of Washington (US)
Corresponding author
Storm, Daniel R.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1995-06
Volume
270
Issue
24
Pages
14352-14357
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2055918680
Cited by
61
References
4
Citations by year
2025: 1 · 2021: 2 · 2019: 1 · 2018: 2 · 2016: 3 · 2015: 2
FWCI
2.53
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5k08ns001653-05)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 21723, R01DK021723)
  • National Institute of Neurological Disorders and Stroke (R01NS020498, NS20498, NS 01653)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
hippocampus, cerebellum, cerebral cortex, postnatal brain development, long-term potentiation, spatial memory, synaptic plasticity, neuroplasticity, calmodulin
MeSH terms
Adenylyl Cyclases, Animals, Brain, Calcium, Cell Line, Enzyme Activation, Mice, Inbred C57BL, Mice, Mutant Strains, RNA, Messenger, Gene Expression Regulation, Enzymologic, Rats, Sprague-Dawley, In Situ Hybridization, Gene Expression Regulation, Developmental, Mice, Rats

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