PEDEvidence@pedevidence

SOURCE-LINKED STUDY SUMMARY

Low testosterone promotes anxiety through astrocytic mitochondrial remodelling at the nucleus accumbens blood-brain barrier

PPR ·

Animal · Preprint

Abstract summarizedQuality not appraised
What was studied
An animal experiment tested whether testosterone changes anxiety-like behaviour through brain-support cells and the blood–brain barrier.
Who / model studied
Male rats were grouped by naturally occurring anxiety-like behaviour, with additional work in older rats with low testosterone. Sample sizes and experiment durations are not stated.
Studied dose & schedule
Dose and schedule have not yet been extracted for this summary.
What the study found
Suppressing testosterone increased anxiety-like behaviour; restoring physiological levels reduced it and improved brain-barrier measures. Reducing local androgen-receptor activity weakened these responses. Increasing mitofusin 2 in brain-support cells also reduced anxiety-like behaviour. These findings concern rats.
Limitations & context
Study limitations were not stated in the abstract. Methodological quality has not been appraised.

Read summary source ↗ · Prepared 9/15/2026 · AI-assisted, source-based summary

Review record & corrections

Summary prepared: . Source scope: abstract. This is an AI-assisted source summary, not an independent clinician sign-off.

No public field-by-field revision history is available for this card yet. The date above is the summary date, not proof that every field was updated then.

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Research findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.

Original publication ↗ · DOI: 10.64898/2026.09.03.749088

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