ArticleThe Journal of cell biology2022
Engineered synaptic tools reveal localized cAMP signaling in synapse assembly.
Article in The Journal of cell biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 20 citations in OpenAlex.
- Single-nucleus transcriptomic analysis reveals subfield-specific cell-to-cell synaptic reorganisation of the mouse hippocampus in focal temporal lobe epilepsy.Journal of translational medicine · 2026Article
- Article
- The expanding roles of adhesion GPCRs in neural circuit assembly.Molecules and cells · 2026Review
- Synaptic Cell Adhesion: A Structural Perspective.Advances in neurobiology · 2026Review
- Synaptic Cell Adhesion: A Functional Perspective.Advances in neurobiology · 2026Review
- Open-source antibodies as a path to enhanced research reproducibility and transparency.New biotechnology · 2025Article
- Synaptic Gα12/13 signaling establishes hippocampal PV inhibitory circuits.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The cell adhesion molecule CD44 acts as a modulator of 5-HT7 receptor functions.Cell communication and signaling : CCS · 2024Article
- Chronic modulation of cAMP signaling elicits synaptic scaling irrespective of activity.iScience · 2024Article
- Essential Role of Latrophilin-1 Adhesion GPCR Nanoclusters in Inhibitory Synapses.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Cell Adhesion Molecule Signaling at the Synapse: Beyond the Scaffold.Cold Spring Harbor perspectives in biology · 2024Review
- Orchestration of synaptic functions by WAVE regulatory complex-mediated actin reorganization.Experimental & molecular medicine · 2023Review
- Sensitive genetically encoded sensors for population and subcellular imaging of cAMP in vivo.Nature methods · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
The physiological mechanisms driving synapse formation are elusive. Although numerous signals are known to regulate synapses, it remains unclear which signaling mechanisms organize initial synapse assembly. Here, we describe new tools, referred to as "SynTAMs" for synaptic targeting molecules, that enable localized perturbations of cAMP signaling in developing postsynaptic specializations. We show that locally restricted suppression of postsynaptic cAMP levels or of cAMP-dependent protein-kinase activity severely impairs excitatory synapse formation without affecting neuronal maturation, dendritic arborization, or inhibitory synapse formation. In vivo, suppression of postsynaptic cAMP signaling in CA1 neurons prevented formation of both Schaffer-collateral and entorhinal-CA1/temporoammonic-path synapses, suggesting a general principle. Retrograde trans-synaptic rabies virus tracing revealed that postsynaptic cAMP signaling is required for continuous replacement of synapses throughout life. Given that postsynaptic latrophilin adhesion-GPCRs drive synapse formation and produce cAMP, we suggest that spatially restricted postsynaptic cAMP signals organize assembly of postsynaptic specializations during synapse formation.
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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.