Cited by 1,116Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsNeural dynamics and brain function

The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.

Intracellular injections of EGTA block induction of hippocampal long-term potentiation

Lynch, Gary, Larson, John, Kelso, Stephen, Barrionuevo, German, Schottler, Frank·1983·Nature

Abstract

Hippocampal long-term potentiation (LTP) is a remarkably stable facilitation of synaptic responses resulting from very brief trains of high-frequency stimulation. Because of its persistence and modest induction conditions, LTP represents a promising candidate for a substrate of memory. Some progress has been made in localizing the changes responsible for the effect; for example, it has been shown that LTP is not accompanied by changes in the fibre volleys of the test afferents or by generalized alterations of the dendrites of their target cells. However, it is unknown whether the potentiation is due to pre- or postsynaptic changes and there is evidence in favour of each (for example, see refs 5, 6). We now report that intracellular injections of the calcium chelator EGTA block the development of LTP. These results strongly suggest that LTP is caused by a modification of the postsynaptic neurone and that its induction depends on the level of free calcium.

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Crossref · 10.1038/305719a0

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Research works printed but not linked: 2

  1. Bliss, T. V. P. & Lomo, T. J. Physiol., Lond. 232, 331–356 (1973). · DOI · Paper page
  2. Lee, K., Oliver, M., Schottler, F. & Lynch, G. in Electrical Activity in Isolated Mammalian CNS Preparations (eds Kerkut, G. & Wheal, H. V.) 189–212 (Academic, New York, 1981).

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Metadata

Authors
Lynch, G., Larson, J., Kelso, S., Barrionuevo, G., & Schottler, F.
Affiliations
University of California, Irvine (US)
Venue
Nature
Published
1983-10
Volume
305
Issue
5936
Pages
719-721
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2031739172
Cited by
1,116
References
16
Citations by year
2026: 6 · 2025: 9 · 2024: 11 · 2023: 7 · 2022: 10 · 2021: 9 · 2020: 9 · 2019: 25 · 2018: 18 · 2017: 14 · 2016: 16 · 2015: 19 · 2014: 17 · 2013: 19 · 2012: 28
FWCI
6.65
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
long-term potentiation, hippocampus, EGTA, calcium chelation, intracellular injection, free calcium, synaptic plasticity, memory substrate, high-frequency stimulation
MeSH terms
Animals, Calcium, Egtazic Acid, Electric Stimulation, Ethylene Glycols, Evoked Potentials, Hippocampus, Membrane Potentials, Time Factors, Rats

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