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| 001 | 1019089 | ||
| 005 | 20240116084327.0 | ||
| 024 | 7 | _ | |a 10.1002/hbm.26206 |2 doi |
| 024 | 7 | _ | |a 1065-9471 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2023-05142 |
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| 100 | 1 | _ | |a Premi, Enrico |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Unravelling neurotransmitters impairment in primary progressive aphasias |
| 260 | _ | _ | |a New York, NY |c 2023 |b Wiley-Liss |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Primary progressive aphasias (PPAs) are a group of neurodegenerative diseases mainly characterized by language impairment, and with variably presence of dysexecutive syndrome, behavioural disturbances and parkinsonism. Detailed knowledge of neurotransmitters impairment and its association with clinical features hold the potential to develop new tailored therapeutic approaches. In the present study, we applied JuSpace toolbox, which allowed for cross-modal correlation of magnetic resonance imaging (MRI)-based measures with nuclear imaging derived estimates covering various neurotransmitter systems including dopaminergic, serotonergic, noradrenergic, GABAergic and glutamatergic neurotransmission. We included 103 PPA patients and 80 age-matched healthy controls (HC). We tested if the spatial patterns of grey matter volume (GMV) alterations in PPA patients (relative to HC) are correlated with specific neurotransmitter systems. As compared to HC, voxel-based brain changes in PPA were significantly associated with spatial distribution of serotonin, dopamine, and glutamatergic pathways (p < .05, False Discovery Rate corrected-corrected). Disease severity was negatively correlated with the strength of GMV colocalization of D1 receptors (p = .035) and serotonin transporter (p = .020). Moreover, we observed a significant negative correlation between positive behavioural symptoms, as measured with Frontal Behavioural Inventory, and GMV colocalization of D1 receptors (p = .007) and serotonin transporter (p < .001). This pilot study suggests that JuSpace is a helpful tool to indirectly assess neurotransmitter deficits in neurodegenerative dementias and may provide novel insight into disease mechanisms and associated clinical features. |
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| 700 | 1 | _ | |a Borroni, Barbara |0 P:(DE-HGF)0 |b 15 |e Corresponding author |
| 773 | _ | _ | |a 10.1002/hbm.26206 |g Vol. 44, no. 6, p. 2245 - 2253 |0 PERI:(DE-600)1492703-2 |n 6 |p 2245 - 2253 |t Human brain mapping |v 44 |y 2023 |x 1065-9471 |
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| 910 | 1 | _ | |a Barbara Borroni, Clinica Neurologica, Università degli Studi di Brescia, P.le Spedali Civili 1, 25123 Brescia, Italy. |0 I:(DE-HGF)0 |b 15 |6 P:(DE-HGF)0 |
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