ArticleThe Journal of clinical investigation2026
Synaptic loss in alcohol use disorder: clinical and mechanistic insights from a PET imaging study.
Article in The Journal of clinical investigation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Alcohol use disorder (AUD) is linked with changes in brain structure and function, with robust evidence for neurodegenerative changes, including synaptic loss in preclinical models. Developing therapeutic strategies to target synaptic loss will require human studies that clarify their clinical relevance of these changes. In the current issue, Zakiniaeiz et al. demonstrate that AUD and alcohol consumption are associated with lower synaptic vesicle glycoprotein 2a (SV2A) expression, indexed by regional [11C]UCB-J PET. This is, to our knowledge, the first in vivo evidence of relationships between synaptic density and alcohol use, and, as such, it represents an important step toward understanding how AUD influences brain structure and function. Here, we describe two longstanding clinical issues in the AUD population - relapse and dementia risk - and how the results of the present study may guide future investigations of these issues.
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