Medicine

In vivo CRISPR screen reveals regulation of macrophage states in neuroinflammation

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De la Rosa et al. developed an in vivo CRISPR screening platform to systematically investigate how macrophages are regulated during neuroinflammation in mouse models of multiple sclerosis. The study identified key cytokine signaling pathways that govern the behavior and states of myeloid cells, including macrophages and microglia, within the inflamed central nervous system. These findings provide a mechanistic framework for understanding how macrophage polarization and activity are controlled in the context of demyelinating disease.


Identifying the specific signaling pathways that regulate macrophage states in neuroinflammation could open new therapeutic avenues for multiple sclerosis and other neuroinflammatory conditions by enabling more targeted modulation of immune responses in the brain.


Nature Neuroscience, Published online: 04 December 2025; doi:10.1038/s41593-025-02151-6

De la Rosa et al. developed an in vivo CRISPR screening system to dissect macrophage regulation in multiple sclerosis models, revealing key cytokine signaling pathways that control myeloid cell behavior in neuroinflammation.