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Carbonyl stress and schizophrenia
Makoto Arai1, Mitsuhiro Miyashita, Akiko Kobori
1Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.
Psychiatry and Clinical Neurosciences
|July 5, 2014
Summary
Schizophrenia treatment may improve by identifying a subtype characterized by carbonyl stress. This subtype shows elevated pentosidine and depleted pyridoxal, offering potential biomarkers for personalized medicine.
Area of Science:
- Neuroscience
- Biochemistry
- Psychiatry
Background:
- Schizophrenia's complex pathophysiology and heterogeneity hinder effective treatment.
- Current antipsychotics manage positive symptoms but not cognitive dysfunction or negative symptoms.
- Idiopathic carbonyl stress, indicated by methylglyoxal, contributes to protein modification and advanced glycation end products.
Purpose of the Study:
- To define a schizophrenia subtype based on carbonyl stress.
- To investigate pentosidine and pyridoxal as potential biomarkers for this subtype.
- To explore carbonyl stress as a target for personalized schizophrenia treatment.
Main Methods:
- In vitro and in vivo studies were conducted.
- Analysis of plasma pentosidine accumulation and serum pyridoxal depletion.
- Identification of a specific subpopulation of schizophrenia patients exhibiting these markers.
Main Results:
- A subpopulation of schizophrenia patients demonstrated idiopathic carbonyl stress.
- This group showed elevated plasma pentosidine and depleted serum pyridoxal.
- Pentosidine and pyridoxal levels may distinguish this specific schizophrenia subgroup.
Conclusions:
- Carbonyl stress defines a potential subtype of schizophrenia.
- Pentosidine and pyridoxal serve as promising biomarkers for this subtype.
- Targeting carbonyl stress could lead to more personalized and effective schizophrenia treatments.
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