Role of Kappa Opioid Receptors in Symptoms of Schizophrenia: What Is the Neurobiology?

  • Anantha Shekhar
    Address correspondence to Anantha Shekhar, M.D., Ph.D., Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, 340 West 10th Street, Suite 6200, Indianapolis, IN 46202.
    Department of Psychiatry, Stark Neurosciences Institute, and the Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, Indianapolis, Indiana
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      Linked Article

      • The Role of Dynorphin and the Kappa Opioid Receptor in the Symptomatology of Schizophrenia: A Review of the Evidence
        Biological PsychiatryVol. 86Issue 7
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          Schizophrenia is a debilitating mental illness that affects approximately 1% of the world’s population. Despite much research in its neurobiology to aid in developing new treatments, little progress has been made. One system that has not received adequate attention is the kappa opioid system and its potential role in the emergence of symptoms, as well as its therapeutic potential. Here we present an overview of the kappa system and review various lines of evidence derived from clinical studies for dynorphin and kappa opioid receptor involvement in the pathology of both the positive and negative symptoms of schizophrenia.
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