ArticleNeuron2026
Astrocyte-microglia crosstalk through Hevin and Toll-like receptor signaling controls developmental thalamocortical synapse refinement.
Article in Neuron, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- CSF1R-related leukoencephalopathy: experimental models and potential for treatment.Disease models & mechanisms · 2026Review
- Molecular signaling pathways shaping astrocyte-microglia crosstalk in health and disease.Frontiers in molecular neuroscience · 2026Review
- "Stand by me": astrocyte-microglia crosstalk in central nervous system development, homeostasis, injury, and disease.Frontiers in network physiology · 2026Review
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Authors and funding
11 authors.
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Abstract
Synapse formation and elimination are two crucial processes that occur concurrently in the developing brain. Astrocytes and microglia control both processes, yet how these two major glial cell types of the central nervous system (CNS) communicate to balance synapse formation and elimination is unknown. Astrocytes secrete the synaptogenic protein Hevin/SPARCL1, which induces the formation and plasticity of thalamocortical synapses in the mouse visual cortex. Here, we found that, in addition to this synaptogenic function, Hevin directly signals to microglia by interacting with Toll-like receptor 4 (TLR4). This signaling occurs when Hevin is proteolytically cleaved, producing a C-terminal fragment that is no longer synaptogenic. We found that Hevin, through TLR4, induces a distinct microglial state defined by increased TLR2 expression and phago-lysosomal content in vitro and in vivo. Microglial TLR4 signaling is required for the proper elimination of thalamocortical synapses during early postnatal development.
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Registered trials
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