What is it about?
Schizophrenia is a serious mental health condition that can affect how people think, feel, and relate to others. Although many studies have explored its causes, the exact biological mechanisms are still not fully understood. This review focuses on mitochondria, the small structures inside cells that produce energy, and on a process called mitophagy. Mitophagy is the cell’s way of removing damaged mitochondria so that cells can stay healthy. The article explains that when mitophagy does not work properly, damaged mitochondria may build up in brain cells. This can lead to problems with energy production, increased oxidative stress, inflammation in the brain, and changes in how nerve cells communicate. These processes may be relevant to schizophrenia, especially cognitive symptoms such as difficulties with memory, attention, and thinking, as well as negative symptoms such as reduced motivation and social withdrawal. The review brings together current evidence from studies on mitochondrial dysfunction, oxidative stress, neuroinflammation, and mitophagy-related pathways. It also highlights that more research is needed, because much of the existing evidence comes from animal studies or postmortem brain research rather than direct studies in living patients.
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Why is it important?
This work is important because it explores a relatively new biological pathway that may help explain some features of schizophrenia that remain difficult to treat, particularly cognitive and negative symptoms. By focusing on mitophagy, the review connects schizophrenia research with broader findings from neuroscience, mitochondrial biology, oxidative stress, and neuroinflammation. The article is timely because mitochondrial quality control is increasingly being studied in neuropsychiatric and neurodegenerative disorders. If future studies confirm that impaired mitophagy contributes to schizophrenia, this could open new directions for biomarkers, prevention strategies, and adjunctive treatments. In particular, therapies that support mitochondrial health or improve mitophagy could eventually complement existing antipsychotic treatment approaches.
Perspectives
My aim with this publication was to bring attention to a promising but still underexplored mechanism in schizophrenia research. Schizophrenia is often discussed mainly through neurotransmitter systems, but cellular energy regulation, mitochondrial health, and inflammatory processes may also be central to understanding the disorder. I see mitophagy as a useful bridge between molecular neuroscience and clinical psychiatry. Although the evidence is still developing, this field may help generate new hypotheses about why some symptoms persist and how future treatments might better target the biological complexity of schizophrenia.
Nikolaos Statharakos
Aristotle University of Thessaloniki
Read the Original
This page is a summary of: Link between the mechanism of Mitophagy and Schizophrenia A Narrative Review, Psychiatriki, March 2025, Hellenic Psychiatric Association,
DOI: 10.22365/jpsych.2025.008.
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