ArticleProceedings of the National Academy of Sciences of the United States of America2022
Mafba and Mafbb regulate microglial colonization of zebrafish brain via controlling chemotaxis receptor expression.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Engineering NK and T cells with metabolite-sensing receptors to target solid tumors.Nature immunology · 2026Article
- A zebrafish multimodal toolbox to study the blood-brain barrier in health and disease.Scientific reports · 2026Article
- Splenic cDC1 efferocytosis and cross-presentation to CD8 T cells are promoted by GPR34 and lysophosphatidylserine.The Journal of experimental medicine · 2026Article
- Astaxanthin reverses neurodevelopmental impairment by decreasing oxidative stress-induced disruption of Maf/Bcl2 signaling in prenatal alcohol exposure.Neuroreport · 2025Article
- A granulin-positive macrophage subtype in mycobacterial granulomas alleviates tissue damage by limiting excessive inflammation.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Ganglion cell-derived LysoPS induces retinal neovascularisation by activating the microglial GPR34-PI3K-AKT-NINJ1 axis.Journal of neuroinflammation · 2024Article
- Macrophages in tissue repair and regeneration: insights from zebrafish.Cell regeneration (London, England) · 2024Review
- Cryo-EM structures of human GPR34 enable the identification of selective antagonists.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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7 authors.
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Abstract
Microglia are the central nervous system (CNS)-resident macrophages involved in neural inflammation, neurogenesis, and neural activity regulation. Previous studies have shown that naturally occurring neuronal apoptosis plays a critical role in regulating microglial colonization of the brain in zebrafish. However, the molecular signaling cascades underlying neuronal apoptosis-mediated microglial colonization and the regulation of these cascades remain undefined. Here, we show that basic leucine zipper (b-Zip) transcription factors, Mafba and Mafbb, two zebrafish orthologs of mammalian MAFB, are key regulators in neuronal apoptosis-mediated microglial colonization of the brain in zebrafish. We document that the loss of Mafba and Mafbb function perturbs microglial colonization of the brain. We further demonstrate that Mafba and Mafbb act cell-autonomously and cooperatively to orchestrate microglial colonization, at least in part, by regulating the expression of G protein-coupled receptor 34a (Gpr34a), which directs peripheral macrophage recruitment into the brain through sensing the lysophosphatidylserine (lysoPS) released by the apoptotic neurons. Our study reveals that Mafba and Mafbb regulate neuronal apoptosis-mediated microglial colonization of the brain in zebrafish via the lysoPS-Gpr34a pathway.
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