Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2003-4-28
pubmed:abstractText
Studies of memory consolidation have identified multiple phases or stages in the formation of memories. The multiple components of memory can be broadly divided into the three phases; short-term, intermediate-term, and long-term. Although molecular changes underlying short- and long-term memory have been examined extensively, the molecular mechanisms supporting the formation of intermediate-term memory are poorly understood. In several examples of cellular and synaptic plasticity, intermediate memory depends on translation but not transcription. One-trial conditioning in Hermissenda results in the development of intermediate memory that is associated with enhanced cellular excitability and the phosphorylation of a 24 kDa protein referred to as conditioned stimulus pathway phosphoprotein (Csp24). Using amino acid sequences derived from Csp24 peptide fragments, a full-length cDNA was cloned and shown to contain multiple beta-thymosin-like domains. The expression of Csp24 and the development of enhanced excitability, a characteristic of intermediate memory, were blocked by antisense oligonucleotide-mediated downregulation of Csp24 without affecting the induction of immediate enhanced excitability, a characteristic of short-term memory. These results demonstrate that the synthesis of Csp24 is required for the development and maintenance of intermediate memory.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1529-2401
pubmed:author
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
23
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3415-22
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed-meshheading:12716949-Action Potentials, pubmed-meshheading:12716949-Alternative Splicing, pubmed-meshheading:12716949-Amino Acid Sequence, pubmed-meshheading:12716949-Animals, pubmed-meshheading:12716949-Cloning, Molecular, pubmed-meshheading:12716949-Cluster Analysis, pubmed-meshheading:12716949-Conditioning, Classical, pubmed-meshheading:12716949-Cytoskeleton, pubmed-meshheading:12716949-DNA, Complementary, pubmed-meshheading:12716949-Memory, pubmed-meshheading:12716949-Microfilament Proteins, pubmed-meshheading:12716949-Molecular Sequence Data, pubmed-meshheading:12716949-Mollusca, pubmed-meshheading:12716949-Nervous System, pubmed-meshheading:12716949-Neuronal Plasticity, pubmed-meshheading:12716949-Oligonucleotides, Antisense, pubmed-meshheading:12716949-Phosphoproteins, pubmed-meshheading:12716949-Phosphorylation, pubmed-meshheading:12716949-Phylogeny, pubmed-meshheading:12716949-RNA, Messenger, pubmed-meshheading:12716949-Sequence Homology, Amino Acid, pubmed-meshheading:12716949-Signal Transduction, pubmed-meshheading:12716949-Thymosin
pubmed:year
2003
pubmed:articleTitle
Inhibition of conditioned stimulus pathway phosphoprotein 24 expression blocks the development of intermediate-term memory in Hermissenda.
pubmed:affiliation
Department of Neurobiology and Anatomy, University of Texas Medical School, Houston, Texas 77225, USA. terry.crow@uth.tmc.edu
pubmed:publicationType
Journal Article, In Vitro, Research Support, U.S. Gov't, P.H.S.