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Alongside biological, psychological, and social risk factors, psychotic syndromes may berelated to disturbances of neuronal migration. This highly complex process characterizesthe developing brain of the fetus, the early postnatal brain, and the adult brain, as reflectedby changes within the subventricular zone and the dentate gyrus of the hippocampus,where neurogenesis persists throughout life. Psychosis also appears to be linked tohuman cytomegalovirus (HCMV) infection. However, little is known about the connectionbetween psychosis, HCMV infection, and disruption of neuronal migration. The presentstudy addresses the hypothesis that HCMV infection may lead to mental disordersthrough mechanisms of autoimmune cross-reactivity. Searching for common peptidesthat underlie immune cross-reactions, the analyses focus on HCMV and human proteinsinvolved in neuronal migration. Results demonstrate a large overlap of viral peptides withhuman proteins associated with neuronal migration, such as ventral anterior homeobox 1and cell adhesion molecule 1 implicated in GABAergic and glutamatergicneurotransmission. The presentfindings support the possibility of immune cross-reactivity between HCMV and human proteins that—when altered, mutated, orimproperly functioning—may disrupt normal neuronal migration. In addition, thesefindings are consistent with a molecular and mechanistic framework for pathologicalsequences of events, beginning with HCMV infection, followed by immune activation,cross-reactivity, and neuronal protein variations that may ultimately contribute to theemergence of mental disorders, including psychosis
Acute pancreatitis (AP) is one of the most common inflammatory diseases of the gastrointestinal tract and a steady rising diagnosis for inpatient hospitalization. About one in four patients, who experience an episode of AP, will develop chronic pancreatitis (CP) over time. While the initiating causes of pancreatitis can be complex, they consistently elicit an immune response that significantly determines the severity and course of the disease. Overall, AP is associated with a significant mortality rate of 1-5%, which is caused by either an excessive pro-inflammation, or a strong compensatory inhibition of bacterial defense mechanisms which lead to a severe necrotizing form of pancreatitis. At the time-point of hospitalization the already initiated immune response is the only promising common therapeutic target to treat or prevent a severe disease course. However, the complexity of the immune response requires fine-balanced therapeutic intervention which in addition is limited by the fact that a significant proportion of patients is in danger of development or progress to recurrent and chronic disease. Based on the recent literature we survey the disease-relevant immune mechanisms and evaluate appropriate and promising therapeutic targets for the treatment of acute and chronic pancreatitis.