Evidence map›Paper›PMID 23536090›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2013

Conditional disruption of calpain in the CNS alters dendrite morphology, impairs LTP, and promotes neuronal survival following injury.

Mandana Amini, Chun-lei Ma, Rasoul Farazifard, Guoqi Zhu, Yi Zhang, Jacqueline Vanderluit, Joanna Susie Zoltewicz, Fadi Hage, Joseph M Savitt, Diane C Lagace and 6 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed
6.4field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

54 citing papers in PubMed, 101 citations in OpenAlex.

  1. The how and why for multiple forms of hippocampal LTP.Frontiers in synaptic neuroscience · 2026
    Review
  2. Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Polysaccharides fromOxidative medicine and cellular longevity · 2022
    Article
  14. Role of Calpain-1 in Neurogenesis.Frontiers in molecular biosciences · 2021
    Article
  15. Review
  16. Article
  17. Review
  18. Article
  19. Effects of Co-Administration of Icariin andNeuropsychiatric disease and treatment · 2020
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors at 6 institutions in 3 countries.

Mandana AminiCellular Molecular Medicine, School of Medicine, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada.
Chun-lei Ma
Rasoul Farazifard
Guoqi Zhu
Yi Zhang
Jacqueline Vanderluit
Joanna Susie Zoltewicz
Fadi Hage
Joseph M Savitt
Diane C Lagace
Ruth S Slack
Jean-Claude Beique
Michel Baudry
Peter A Greer
Richard Bergeron
David S Park
University of Ottawa · CAWestern University of Health Sciences · USBanyan Biomarkers (United States) · USJohns Hopkins University · USMemorial University of Newfoundland · CAQueen's University · CA

Funding

The Spine Cytoskeleton and Memory DisordersP01NS045260 · NINDS · UNIVERSITY OF CALIFORNIA-IRVINE · PI GALL, CHRISTINE M · 2003 to 2015
$14.4M
CIHRNINDS NIH HHS P01 NS045260NINDS NIH HHS P01NS045260-01
6 · The paper itself

Abstract

Ubiquitous classical (typical) calpains, calpain-1 and calpain-2, are Ca(+2)-dependent cysteine proteases, which have been associated with numerous physiological and pathological cellular functions. However, a clear understanding of the role of calpains in the CNS has been hampered by the lack of appropriate deletion paradigms in the brain. In this study, we describe a unique model of conditional deletion of both calpain-1 and calpain-2 activities in mouse brain, which more definitively assesses the role of these ubiquitous proteases in brain development/function and pathology. Surprisingly, we show that these calpains are not critical for gross CNS development. However, calpain-1/calpain-2 loss leads to reduced dendritic branching complexity and spine density deficits associated with major deterioration in hippocampal long-term potentiation and spatial memory. Moreover, calpain-1/calpain-2-deficient neurons were significantly resistant to injury induced by excitotoxic stress or mitochondrial toxicity. Examination of downstream target showed that the conversion of the Cdk5 activator, p35, to pathogenic p25 form, occurred only in the presence of calpain and that it played a major role in calpain-mediated neuronal death. These findings unequivocally establish two central roles of calpain-1/calpain-2 in CNS function in plasticity and neuronal death.

Indexed as

Brain1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAge Factorsalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnalysis of VarianceAnimalsAnimals, NewbornBiophysicsBrain InjuriesBromodeoxyuridineCalpainCell DeathDendritesDisease Models, AnimalElectric StimulationEmbryo, Mammalian1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridinealpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidBromodeoxyuridineCalpainCapn2 protein, mouseCapns1 protein, mouseCdk5r1 protein, mouseExcitatory Amino Acid AgonistsGreen Fluorescent ProteinsIntermediate Filament ProteinsNerve Tissue ProteinsNes protein, mouseNestinneuronal Cdk5 activator (p25-p35)N-MethylaspartatePhosphotransferasesRNA, MessengerTyrosine 3-Monooxygenase

Identifiers

PMID23536090
PMCPMC4153560
OpenAlexW1983855055

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.