ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Longitudinal Awake Mouse Brain Imaging Using Functional Ultrasound and Functional Ultrasound Localization Microscopy.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
- Update of
Authors and funding
10 authors.
Funding
Abstract
Functional ultrasound (fUS), ultrasound localization microscopy (ULM), and functional ULM (fULM) are three emerging brain ultrasound imaging techniques that measure the cerebrovascular structure and function at different spatial scales. Here we establish an awake, longitudinal fUS-ULM-fULM imaging framework to study structural vascularity, microvascular flow velocity, mesoscale hemodynamic responses, and microvascular functional responses in the same animals across 5 months. No significant linear longitudinal trend was detected for any of the ultrasound measurements in control animals, with structural measures showing lower longitudinal variability than functional readouts. Mean flow velocity showed the strongest longitudinal consistency and the lowest pooled within-subject variability. Behavioral testing and GFAP/Iba1 staining further revealed no detectable memory impairment or chronic neuroinflammatory response during the 5-month serial imaging setup. Application of fUS-ULM-fULM in 5xFAD-positive mice revealed a temporally ordered, cross-scale pattern of cerebrovascular dysfunction, with cerebral blood flow velocity declining first followed by impaired stimulus-evoked responses at the microvascular and then mesoscale levels. No vascular structural changes were detected across 5 months. Overall, this study established a stable longitudinal multimodal ultrasound imaging framework for tracking the awake mouse brain and demonstrated the utility for detecting cerebrovascular structural and functional variations in a preclinical Alzheimer's disease mouse model.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.