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Fluoxetine Alters Brain Energy: Personalized Treatment Insights

9/27/2025

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Summary

Story summary

A study from University of Eastern Finland and University of Helsinki finds fluoxetine alters brain energy management and connectivity.
It lowers energy-production gene expression and increases mitochondrial DNA in parvalbumin interneurons, supporting balance.
Regional analyses show varied effects across the prefrontal cortex, implying personalized treatment.
They propose combining fluoxetine with plasticity therapies and biomarkers for treatment response, noting sex differences.

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Story summary

A study from University of Eastern Finland and University of Helsinki finds fluoxetine alters brain energy management and connectivity.
It lowers energy-production gene expression and increases mitochondrial DNA in parvalbumin interneurons, supporting balance.
Regional analyses show varied effects across the prefrontal cortex, implying personalized treatment.
They propose combining fluoxetine with plasticity therapies and biomarkers for treatment response, noting sex differences.