Evidence map›Paper›PMID 29187215›Full record

ReviewMolecular brain2017

Criteria for identifying the molecular basis of the engram (CaMKII, PKMzeta).

John Lisman

Abstract readReview
In one paragraph

Review in Molecular brain, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
–field-weighted citation impact
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

37 citing papers in PubMed.

  1. Article
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  9. Synapse-specific structural plasticity that protects and refines local circuits during LTP and LTD.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024
    Article
  10. Article
  11. CaMKII autophosphorylation is the only enzymatic event required for synaptic memory.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  12. Synaptic memory and CaMKII.Physiological reviews · 2023
    Review
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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

1 author.

John LismanDepartment of Biology, Brandeis University, Waltham, MA, 02453, USA. lisman@brandeis.edu.ORCID http://orcid.org/0000-0003-2676-225X

Funding

Towards a Complete Description of the Circuitry Underlying Memory replay.U01NS090583 · NINDS · UNIVERSITY OF CALIFORNIA-IRVINE · PI SOLTESZ, IVAN · 2014 to 2016
$2.1M
Role of CaMKII in memory storageR01NS103168 · NINDS · BRANDEIS UNIVERSITY · PI GRIFFITH, LESLIE C · 2017 to 2021
$1.8M
CRCNS: Neural signals that maintain/refresh LTP and memoryR01DA043195 · NIDA · BRANDEIS UNIVERSITY · PI GRIFFITH, LESLIE C · 2017 to 2019
$1.1M
Role of CaMKII in memory storageR56NS096710 · NINDS · BRANDEIS UNIVERSITY · PI GRIFFITH, LESLIE C · 2016 to 2016
$484k
National Institutes of Health R01DA043195National Institutes of Health R01NS103168National Institutes of Health R56NS096710National Institutes of Health U01MS090583National Science Foundation IOS 1526941NIDA NIH HHS R01 DA043195NINDS NIH HHS R01 NS103168NINDS NIH HHS R56 NS096710NINDS NIH HHS U01 NS090583
6 · The paper itself

Abstract

The engram refers to the molecular changes by which a memory is stored in the brain. Substantial evidence suggests that memory involves learning-dependent changes at synapses, a process termed long-term potentiation (LTP). Thus, understanding the storages process that underlies LTP may provide insight into how the engram is stored. LTP involves induction, maintenance (storage), and expression sub-processes; special tests are required to specifically reveal properties of the storage process. The strongest of these is the Erasure test in which a transiently applied agent that attacks a putative storage molecule may lead to persistent erasure of previously induced LTP/memory. Two major hypotheses have been proposed for LTP/memory storage: the CaMKII and PKM-zeta hypotheses. After discussing the tests that can be used to identify the engram (Necessity test, Saturation/Occlusion test, Erasure test), the status of these hypotheses is evaluated, based on the literature on LTP and memory-guided behavior. Review of the literature indicates that all three tests noted above support the CaMKII hypothesis when done at both the LTP level and at the behavioral level. Taken together, the results strongly suggest that the engram is stored by an LTP process in which CaMKII is a critical memory storage molecule.

Indexed as

MemoryAnimalsCalcium-Calmodulin-Dependent Protein Kinase Type 2HumansModels, BiologicalProtein Kinase CProtein Kinase C zetaSynapsesCalcium-Calmodulin-Dependent Protein Kinase Type 2Protein Kinase CProtein Kinase C zetaHerpes simplex virusK42 MMemoryOcclusionPlace aversion

Identifiers

PMID29187215
PMCPMC5707903

What OpenQuestion holds

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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.