The endogenous opioid system in schizophrenia and treatment resistant schizophrenia: increased plasma Endomorphin 2, and κ and μ opioid receptors are …

SR Moustafa, KF Al-Rawi, D Stoyanov, AH Al-Dujaili… - Diagnostics, 2020 - mdpi.com
Background: activation of the immune-inflammatory response system (IRS) and the
compensatory immune-regulatory system (CIRS) plays a key role in schizophrenia (SCZ) …

Chronic fatigue syndrome and fibromyalgia-like symptoms are an integral component of the phenome of schizophrenia: neuro-immune and opioid system correlates

RF Mousa, HK Al-Hakeim, A Alhaideri, M Maes - Metabolic brain disease, 2021 - Springer
Physiosomatic symptoms are an important part of schizophrenia phenomenology. The aim
of this study is to examine the biomarker, neurocognitive and symptomatic correlates of …