Crosstalk between endoplasmic reticulum stress and oxidative stress in schizophrenia: The dawn of new therapeutic approaches

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HighlightsThe complete understanding of the pathways and the point of convergence of ER and oxidative stress in schizophrenia is still quite fragmentary.Neuronal migration along with altered secretion of neurotrophins modulates neuronal circuits and synaptic function during schizophrenia.Chemical chaperones including Sigma-1 receptor agonists may prevent stress-induced protein misfolding associated with schizophrenia.ER-stress inhibitors, sigma-1 receptor agonists and gene therapies holds a strong therapeutic potential against schizophrenia.Disruption of oxidant/anti-oxidant ratio as well as endoplasmic reticulum (ER) stress are thought to be involved in the pathophysiology of schizophrenia. These stresses can lead to impairments in brain functions progressively leading to neuronal inflammation followed by neuronal cell death. Moreover, the cellular stresses are interlinked leading us to the conclusion that protein misfolding, oxidative stress and apoptosis are intricately intertwined events requiring further research into their mechanistic and physiological pathways. These pathways can be targeted by using different therapeutic interventions like anti-oxidants, sigma-1 receptor agonists and gene therapy to treat the neurodegenerative course of schizophrenia. We have also put empahsis on use of synthetic and natural ER stress inhibitors like 4-phenylbutyrate or salubrinal for the treatment of this disorder. This would provide an opportunity to create new therapeutic benchmarks in the field of neuropsychiatric disorders like schizophrenia, dissociative identity disorder and obsessive compulsive disorder.

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