ReviewFrontiers in immunology2026
Cholinergic regulation of neuroinflammation: linking microglia, immunometabolism, and neuromodulation.
Review in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Neuroinflammation is increasingly recognized as a core pathological process in various neurological diseases, including neurodegenerative disorders, stroke, autoimmune demyelinating diseases, and acute brain dysfunction associated with systemic inflammation. Among its regulatory mechanisms, the cholinergic anti-inflammatory pathway links neural activity with immune regulation. However, its neurological relevance extends beyond the classical peripheral vagus nerve-mediated inflammatory reflex. Within the central nervous system, cholinergic signaling interacts with resident immune cells, particularly microglia, and influences inflammatory tone, neuronal vulnerability, and tissue repair. Recent advances in immunometabolism further suggest that metabolic reprogramming may bridge cholinergic signaling and microglial inflammatory phenotypes. In this review, we discuss the role of cholinergic regulation of neuroinflammation from three interrelated perspectives: microglia as the hub of core cells, immune metabolism as the basis of mechanism, and neural regulation as the frontier of transformation. We first reviewed the cholinergic system and its role in neuroimmune communication, then discussed how cholinergic signals shape microglial state and metabolic process, and finally evaluated its disease-specific evidence in Alzheimer's disease, Parkinson's disease, stroke, multiple sclerosis and acute inflammatory brain dysfunction. We will also discuss pharmacological and bioelectronic methods, including targeting cholinergic receptors and vagus nerve stimulation, as emerging therapeutic strategies. By integrating cholinergic biology, microglial heterogeneity, and metabolic reprogramming, this review proposes an updated framework for understanding neuroinflammation in neurology, and highlights the future opportunities for precise neuroimmune intervention.
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