ArticleNature communications2024
LRRTM2 controls presynapse nano-organization and AMPA receptor sub-positioning through Neurexin-binding interface.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed.
- Molecular and Cellular Mechanisms of Synaptogenesis and Synaptic Refinement During Cerebellar Circuit Formation.International journal of molecular sciences · 2026Review
- Mitofusin-2 in ventral striatal D1 neurons regulates effort-based motivation through sex-specific mitochondrial-synaptic reprogramming.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Synaptic Ca2+ channels and neurexins are linked through direct and indirect binding complexes.Scientific reports · 2026Article
- Sequestration of growth cone surface proteins by cytoplasmic Lrrtm2 inducesbioRxiv : the preprint server for biology · 2026Article
- Transcriptomics and proteomics of projection neurons in a circuit linking hippocampus with dorsolateral prefrontal cortex in the human brain.bioRxiv : the preprint server for biology · 2026Article
- High-affinity detection of biotinylated endogenous neuroligin-1 at excitatory and inhibitory synapses using a tagged knock-in mouse.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Uncovering synaptic and cellular nanoarchitecture of brain tissue via seamlessbioRxiv : the preprint server for biology · 2025Article
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Authors and funding
15 authors.
Funding
Abstract
Synapses are organized into nanocolumns that control synaptic transmission efficacy through precise alignment of postsynaptic neurotransmitter receptors and presynaptic release sites. Recent evidence show that Leucine-Rich Repeat Transmembrane protein LRRTM2, highly enriched and confined at synapses, interacts with Neurexins through its C-terminal cap, but the role of this binding interface has not been explored in synapse formation and function. Here, we develop a conditional knock-out mouse model (cKO) to address the molecular mechanisms of LRRTM2 regulation, and its role in synapse organization and function. We show that LRRTM2 cKO specifically impairs excitatory synapse formation and function in mice. Surface expression, synaptic clustering, and membrane dynamics of LRRTM2 are tightly controlled by selective motifs in the C-terminal domain. Conversely, the N-terminal domain controls presynapse nano-organization and postsynapse AMPAR sub-positioning and stabilization through the recently identified Neurexin-binding interface. Thus, we identify LRRTM2 as a central organizer of pre- and post- excitatory synapse nanostructure through interaction with presynaptic Neurexins.
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Registered trials
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 Socratic graph.