ArticleProceedings of the National Academy of Sciences of the United States of America2025
Microglia contribute to bipolar depression through Serinc2-dependent phospholipid synthesis.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A thioredoxin-Serinc2-lipid signaling axis modulates mood-related behaviors in mice.Molecular psychiatry · 2026Article
- Microglia and neuroinflammation: An in-depth analysis from functional diversity to disease mechanisms.Clinical and translational medicine · 2026Review
- Metabolic Reprogramming of Microglia in Neuroinflammation and Depression.International journal of molecular sciences · 2026Review
- Microglia contribute to bipolar depression through Serinc2-dependent phospholipid synthesis.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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19 authors.
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Abstract
Although clinical research has revealed microglia-related inflammatory and immune responses in bipolar disorder (BD) patient brains, it remains unclear how microglia contribute to the pathogenesis of BD. Here, we demonstrated that Serinc2 is associated with susceptibility to BD and showed a reduced expression in BDII patient plasma, which correlated with the disease severity. Using induced pluripotent stem cell (iPSC) models of sporadic and familial BDII patients, we found that Serinc2 expression showed deficits in iPSC-derived microglia-like cells, resulting in decreased synaptic pruning. Further, combining the microglia-specific Serinc2-deficient mouse and iPSC-microglia models, we found that microglial Serinc2 deficits functioned through attenuating the synthesis of serine-related phospholipids in the plasma membrane, thus resulting in depression-like behavioral abnormalities in the animals. Finally, we showed that the Serinc2-dependent lipid deficits diminished microglial membrane CR3 formation to interrupted synaptic pruning signals from neurons. Therefore, our results indicated that Serinc2 deficits in microglia might contribute to the pathogenesis of BD.
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