Schizophrenia Pathophysiology and Treatment Mechanisms

Schizophrenia is a complex neuropsychiatric disorder arising from an interplay of genetic susceptibility, neurodevelopmental perturbations and environmental influences. Core pathophysiological features include dysregulation of synaptic transmission and plasticity, particularly within glutamatergic and GABAergic circuits, alongside dopaminergic imbalance in mesolimbic and prefrontal pathways. Altered connectivity and aberrant oscillatory synchrony further contribute to cognitive and sensory disturbances. Recent advances have illuminated convergent molecular mechanisms such as N-methyl-D-aspartate receptor hypofunction, synaptic trafficking deficits and immune–inflammatory mediators impacting neural networks. Treatment mechanisms have historically centred on dopamine receptor antagonism, which effectively mitigates positive symptoms but leaves negative and cognitive domains largely unaddressed. Novel strategies seek to restore excitatory–inhibitory balance through modulation of synaptic plasticity, targeting endocannabinoid signalling, allosteric regulation of glutamate receptors and correction of epigenomic alterations. Integration of pharmacological, neuromodulatory and early intervention approaches promises to limit disease progression and enhance functional recovery on a global scale.

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Schizophrenia Pathophysiology and Treatment Mechanisms publication trend

The graph below shows the total number of articles in schizophrenia pathophysiology and treatment mechanisms across all publications each year (not limited to Nature Index journals).

Technical terms

Synaptic plasticity: The capacity of synaptic connections to strengthen or weaken over time in response to activity, underpinning learning and memory processes.

N-methyl-D-aspartate receptor (NMDAR): An ionotropic glutamate receptor subtype essential for excitatory neurotransmission and induction of synaptic plasticity.

Clathrin-mediated endocytosis (CME): A cellular mechanism for internalising synaptic vesicles and membrane proteins via a clathrin-coated vesicle pathway.

Histone modification: Post-translational chemical alterations of histone proteins, such as acetylation or methylation, that regulate chromatin accessibility and gene expression.

Epigenomic reorganisation: Genome-wide changes in chromatin structure and regulatory marks, influencing transcriptional programmes in health and disease.

References

1. STON2 variations are involved in synaptic dysfunction and schizophrenia-like behaviors by regulating Syt1 trafficking. Science Bulletin (2024).
2. Postnatal hypofunction of N‐methyl‐D‐aspartate receptors alters perforant path synaptic plasticity and filtering and impairs dentate gyrus‐mediated spatial discrimination. British Journal of Pharmacology (2024).
3. Antipsychotic-induced epigenomic reorganization in frontal cortex of individuals with schizophrenia. eLife (2024).