Cited by 179Neuroscience and Neuropharmacology ResearchBiomarkers in Disease MechanismsAxon Guidance and Neuronal Signaling

Neuronal Pentraxins Mediate Synaptic Refinement in the Developing Visual System

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Bjartmar, L., Huberman, A. D., Ullian, E. M., Renteria, R. C., Liu, X., Xu, W., Prezioso, J., Susman, M. W. +12 more·2006·Journal of Neuroscience

Abstract

Neuronal pentraxins (NPs) define a family of proteins that are homologous to C-reactive and acute-phase proteins in the immune system and have been hypothesized to be involved in activity-dependent synaptic plasticity. To investigate the role of NPs in vivo, we generated mice that lack one, two, or all three NPs. NP1/2 knock-out mice exhibited defects in the segregation of eye-specific retinal ganglion cell (RGC) projections to the dorsal lateral geniculate nucleus, a process that involves activity-dependent synapse formation and elimination. Retinas from mice lacking NP1 and NP2 had cholinergically driven waves of activity that occurred at a frequency similar to that of wild-type mice, but several other parameters of retinal activity were altered. RGCs cultured from these mice exhibited a significant delay in functional maturation of glutamatergic synapses. Other developmental processes, such as pathfinding of RGCs at the optic chiasm and hippocampal long-term potentiation and long-term depression, appeared normal in NP-deficient mice. These data indicate that NPs are necessary for early synaptic refinements in the mammalian retina and dorsal lateral geniculate nucleus. We speculate that NPs exert their effects through mechanisms that parallel the known role of short pentraxins outside the CNS.

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Crossref · 10.1523/jneurosci.4212-05.2006

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Authors
Bjartmar, L., Huberman, A. D., Ullian, E. M., Renteria, R. C., Liu, X., Xu, W., Prezioso, J., Susman, M. W., Stellwagen, D., Stokes, C. C., Cho, R., Worley, P., Malenka, R. C., Ball, S., Peachey, N. S., Copenhagen, D., Chapman, B., Nakamoto, M., Barres, B. A., & Perin, M. S.
Affiliations
Cleveland Clinic (US)
Venue
Journal of Neuroscience
Published
2006-06-07
Volume
26
Issue
23
Pages
6269-6281
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2152913498
Cited by
179
References
55
Citations by year
2026: 1 · 2025: 3 · 2024: 7 · 2023: 7 · 2022: 6 · 2021: 13 · 2020: 7 · 2019: 7 · 2018: 12 · 2017: 4 · 2016: 7 · 2015: 9 · 2014: 11 · 2013: 9 · 2012: 11
FWCI
3.80
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • ValpoScholar (Valparaiso University) (submittedVersion)
  • Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
Funders
  • Research to Prevent Blindness
  • That Man May See
  • National Institutes of Health (5r01ns039283-04, MH63394)
  • U.S. Public Health Service (R01 11310)
  • National Institute of Mental Health (F32MH065752, MH065752, MH63394)
  • National Institute on Drug Abuse (R01DA015043, R01-DA-15043)
  • National Eye Institute (R01EY011369, EY11369, R01EY001869)
  • National Institute of Diabetes and Digestive and Kidney Diseases (T90DK070103, 1-T90 DK070103)
  • National Institute of Neurological Disorders and Stroke (NS039283)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD042191, R01HD039886, HD039886, R01HD042191)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Immunology and Microbiology › Immunology › Biomarkers in Disease Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
synaptic refinement, retinal ganglion cells, dorsal lateral geniculate nucleus, knockout mice, visual system development
MeSH terms
Pentraxins, Animals, C-Reactive Protein, Cells, Cultured, Geniculate Bodies, Hippocampus, Nerve Tissue Proteins, Synaptic Transmission, Neuronal Plasticity, Neurons, Retina, Retinal Ganglion Cells, Synapses, Visual Pathways, Mice, Knockout, Glutamic Acid, Mice

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