Abstract
The nervous system plays an integral role in the homeostasis of living organisms through the regulation of multiple organ systems. Research has highlighted the extensive role of the nervous system in regulating organ function, including key aspects such as metabolic processes, respiratory, cardiovascular, and immune responses. These findings are inseparable from the development of new technologies such as viral tracing, optogenetics, whole-tissue imaging, and neural activity recording. As technology continues to advance, our understanding of the regulatory role of the nervous system in other organs has expanded to more complex cognitive and emotional control systems, such as the cerebral cortex and subcortical areas. Recent studies have also shown the bidirectional cross-organ regulatory mechanisms between the gut microbiota and the brain. In addition, the body–brain axis also monitors inflammatory responses to ensure a balance between proinflammatory and anti-inflammatory responses. This review delves into the intricate regulatory functions of the nervous system as they pertain to cross-organ communication, emphasizing the broader implications that extend beyond mere metabolic regulation. It employs cutting-edge technologies such as viral tracing, whole-tissue clearing, optogenetics, and in vivo neuronal activity recording to dissect the influence of the nervous system on various organs, including but not limited to the heart, liver, and spleen. These advanced methodologies have substantially broadened our comprehension of the fundamental operations of the nervous system within diverse physiological systems, revealing the complex neural networks that orchestrate organ-specific functions. Our review highlights the significant potential of advanced technologies in neuronal cross-organ regulation to pave the way for therapeutic strategies aimed at addressing a wide array of conditions that impact organ health.
Published Version
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