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  • Print publication year: 2019
  • Online publication date: August 2019

Chapter 8 - Neuroinflammation and Staging

from Section 2 - Progress with Clinical Staging

Summary

The staging model of mental illness is developing beyond the clinical level aiming to include biological processes and markers that may reflect the dynamic biological processes of stages of mental illness. The neurobiology of inflammation in mental illness has gained much attention in recent years. Since neuroinflammation has been shown to be an important possible feature of psychosis, schizophrenia and depression, in this chapter it is attempted to map changes and dysregulation of the immune system and inflammation to the different clinical stages of severe mental illness. The literature suggests that an increased inflammatory response may define a subgroup of individuals in ultra-high-risk states, in acute disease episodes and in those with severe mental illness. In addition, the literature clearly points to the dynamic nature of the immune response in mental illness and shows an involvement of both the innate and adaptive immune system in mental illness. A focus on inflammation only might be insufficient and a broader understanding of the interaction between innate and adaptive immune systems and the complex neuroimmune interaction is required.