Beyond the Mind-Serum Trace Element Levels in Schizophrenic Patients: A Systematic Review.

The alterations in serum trace element levels are common phenomena observed in patients with different psychiatric conditions such as schizophrenia, autism spectrum disorder, or major depressive disorder. The fluctuations in the trace element concentrations might act as potential diagnostic and prognostic biomarkers of many psychiatric and neurological disorders. This paper aimed to assess the alterations in serum trace element concentrations in patients with a diagnosed schizophrenia. The authors made a systematic review, extracting papers from the PubMed, Web of Science, and Scopus databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Among 5009 articles identified through database searching, 59 of them were assessed for eligibility. Ultimately, 33 articles were included in the qualitative synthesis. This review includes the analysis of serum levels of the following trace elements: iron, nickel, molybdenum, phosphorus, lead, chromium, antimony, uranium, magnesium, aluminum, zinc, copper, selenium, calcium, and manganese. Currently, there is no consistency regarding serum trace element levels in schizophrenic patients. Thus, it cannot be considered as a reliable prognostic or diagnostic marker of schizophrenia. However, it can be assumed that altered concentrations of those elements are crucial regarding the onset and exaggeration of either psychotic or negative symptoms or cognitive dysfunctions.

Citation

Jacek Baj, Alicja Forma, Elżbieta Sitarz, Kaja Karakuła, Wojciech Flieger, Monika Sitarz, Cezary Grochowski, Ryszard Maciejewski, Hanna Karakula-Juchnowicz. Beyond the Mind-Serum Trace Element Levels in Schizophrenic Patients: A Systematic Review. International journal of molecular sciences. 2020 Dec 15;21(24)

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PMID: 33334078

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