Homer-1a immediate early gene expression correlates with better cognitive performance in aging

Simon Kaja, Nathalie Sumien, Priscilla K. Borden, Nitasha Khullar, Maaz Iqbal, Julie L. Collins, Michael J. Forster, Peter Koulen

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The molecular mechanisms underlying cognitive decline during healthy aging remain largely unknown. Utilizing aged wild-type C57BL/6 mice as a model for normal aging, we tested the hypothesis that cognitive performance, memory, and learning as assessed in established behavioral testing paradigms are correlated with the differential expression of isoforms of the Homer family of synaptic scaffolding proteins. Here we describe a loss of cognitive and motor function that occurs when Homer-1a/Vesl-1S protein levels drop during aging. Our data describe a novel mechanism of age-related synaptic changes contributing to loss of biological function, spatial learning, and memory formation as well as motor coordination, with the dominant negative uncoupler of synaptic protein clustering, Homer-1a/Vesl-1S, as a potential target for the prophylaxis and treatment of age-related cognitive decline.

Original languageEnglish
Pages (from-to)1799-1808
Number of pages10
JournalAge
Volume35
Issue number5
DOIs
StatePublished - 1 Oct 2013

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Immediate-Early Genes
Gene Expression
Proteins
Inbred C57BL Mouse
Cognition
Cluster Analysis
Protein Isoforms
Learning
Homer Scaffolding Proteins
Cognitive Dysfunction

Keywords

  • Behavior
  • Cognition
  • Cognitive aging
  • Learning
  • Memory
  • Synapse

Cite this

Kaja, S., Sumien, N., Borden, P. K., Khullar, N., Iqbal, M., Collins, J. L., ... Koulen, P. (2013). Homer-1a immediate early gene expression correlates with better cognitive performance in aging. Age, 35(5), 1799-1808. https://doi.org/10.1007/s11357-012-9479-6
Kaja, Simon ; Sumien, Nathalie ; Borden, Priscilla K. ; Khullar, Nitasha ; Iqbal, Maaz ; Collins, Julie L. ; Forster, Michael J. ; Koulen, Peter. / Homer-1a immediate early gene expression correlates with better cognitive performance in aging. In: Age. 2013 ; Vol. 35, No. 5. pp. 1799-1808.
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Kaja, S, Sumien, N, Borden, PK, Khullar, N, Iqbal, M, Collins, JL, Forster, MJ & Koulen, P 2013, 'Homer-1a immediate early gene expression correlates with better cognitive performance in aging', Age, vol. 35, no. 5, pp. 1799-1808. https://doi.org/10.1007/s11357-012-9479-6

Homer-1a immediate early gene expression correlates with better cognitive performance in aging. / Kaja, Simon; Sumien, Nathalie; Borden, Priscilla K.; Khullar, Nitasha; Iqbal, Maaz; Collins, Julie L.; Forster, Michael J.; Koulen, Peter.

In: Age, Vol. 35, No. 5, 01.10.2013, p. 1799-1808.

Research output: Contribution to journalArticle

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