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AttributesValues
rdf:type
rdfs:label
  • Long-Term Potentiation Pathway
rdfs:subClassOf
Semantic_Type
  • Functional Concept
Preferred_Name
  • Long-Term Potentiation Pathway
UMLS_CUI
  • C2984294
KEGG_ID
  • hsa04720
ALT_DEFINITION
  • Hippocampal long-term potentiation (LTP), a long-lasting increase in synaptic efficacy, is the molecular basis for learning and memory. Tetanic stimulation of afferents in the CA1 region of the hippocampus induces glutamate release and activation of glutamate receptors in dendritic spines. A large increase in [Ca2+]i resulting from influx through NMDA receptors leads to constitutive activation of CaM kinase II (CaM KII) . Constitutively active CaM kinase II phosphorylates AMPA receptors, resulting in potentiation of the ionic conductance of AMPA receptors. Early-phase LTP (E-LTP) expression is due, in part, to this phosphorylation of the AMPA receptor. It is hypothesized that postsynaptic Ca2+ increases generated through NMDA receptors activate several signal transduction pathways including the Erk/MAP kinase and cAMP regulatory pathways. The convergence of these pathways at the level of the CREB/CRE transcriptional pathway may increase expression of a family of genes required for late-phase LTP (L-LTP).KEGG
FULL_SYN
  • LTP PathwayABNCI
  • Long-term potentiationPTKEGG
  • Long-Term Potentiation PathwayPTNCI
code
  • C91482
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