Annotated protein:Protocadherin-8 (Activity-regulated cadherin-like protein) (Arcadlin). Gene symbol: PCDH8. Taxonomy: Rattus norvegicus (Rat). Uniprot ID: D3ZE55
antibody wiki:
SynGO gene info:SynGO data @ PCDH8
Ontology domain:Biological Process
SynGO term:regulation of synaptic membrane adhesion (GO:0099179)
Synapse type(s):hippocampus, glutamatergic
Annotated paper:Yasuda S, et al. "Activity-induced protocadherin arcadlin regulates dendritic spine number by triggering N-cadherin endocytosis via TAO2beta and p38 MAP kinases" Neuron. 2007 Nov 8;56(3):456-71 PMID:17988630
Figure(s):Fig.2, 3, 5, 7
Annotation description:Fig.2: "Arcadlin Inhibits the Adhesive Activity of N-Cadherin"
Fig.3: "Depolarization or Elevated cAMP Level Increases N-Cadherin Internalization through an Arcadlin-Dependent Pathway"
Fig.5: "Homophilic Interaction of Arcadlin Causes Internalization via the Activation of Arcadlin-TAO2β-p38 MAPK Signaling Pathway"
Fig.7: "The Arcadlin-TAO2β-p38 MAPK Pathway Mediates the Internalization of N-Cadherin"
[Fig.8: "The Effects of Arcadlin on Dendritic Spine Density"]

N-Cadherin is a well established mediator of pre/post-synaptic adhesion. In this paper Arcadlin; PCDH8 is shown to not mediate adhesion itself, but to regulate the activity dependent internalization of N-cadherin, thereby affecting synapse organization (this paper) and synaptic transmission (see pmid:10383464).
Evidence tracking, Biological System:Cultured neurons
Non-neuronal tissue
Evidence tracking, Protein Targeting:Genetic transformation (eg; knockout, knockin, mutations)
Over-expression
Evidence tracking, Experiment Assay:Confocal
Microscopy (generic)
Annotator(s):Pim van Nierop (ORCID:0000-0003-0593-3443)
Guus Smit (ORCID:0000-0002-2286-1587)
Matthijs Verhage (ORCID:0000-0002-2514-0216)
Lab:Department of Functional Genomics, Department of Molecular and Cellular Neurobiology, Center for Neurogenomics and Cognitive Research, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
Additional literature:Initial paper on the discovery of Arcadlin; PCDH8. Postulates this protein is an cell-adhesion protein that modulates LTP. The primary paper in this ticket (pmid:10383464) shows Arcadlin; PCDH8 itself has weak adhesive properties, and appears to act as a negative regulator of cell-cell-adhesion mediated by N-cadherin. @ PMID:10383464
SynGO annotation ID:2367
Dataset release (version):20231201
View annotation as GO-CAM model:Gene Ontology