Regional cerebral blood flow correlates with transcriptional and cellular signatures in tinnitus

We aimed to examine alterations of brain regional cerebral blood flow (CBF) in tinnitus patients using arterial spin labeling (ASL), and applied an integrative imaging-transcriptomics approach to explore the potential transcriptional and cellular correlates of these changes.

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

This is mechanistic research correlating brain blood-flow imaging with gene expression in tinnitus; no clinical imaging protocol or treatment change is supported at this stage.

✦ Why It Matters ✦

Connecting brain blood-flow imaging biomarkers to cellular and transcriptional signatures in tinnitus may open new avenues for objective diagnosis and targeted therapies for a condition with no established cure.

✦ Key Points ✦

01ASL MRI used to detect regional cerebral blood flow differences in tinnitus patients versus controls.
02Blood-flow alterations correlated with transcriptional (gene activity) and cellular signatures in affected brain regions.
03Published in European Archives of Oto-Rhino-Laryngology (Aug 2026).
04Offers a non-invasive imaging approach to studying tinnitus neurobiology.
05Results are exploratory; sample sizes and clinical translation remain to be established.

✦ Claims & Evidence ✦

ClaimEvidenceSupport

Regional cerebral blood flow alterations measured by ASL correlate with transcriptional and cellular signatures in tinnitus patients.

studypartially supported

✦ Research metadata ✦

PMID: 42642533
DOI: 10.1007/s00405-026-10549-6.
Journal: European Archives of Oto-Rhino-Laryngology
Publication type: research_article
Evidence level: 3
Population: Patients with chronic tinnitus
Intervention: Arterial spin labeling (ASL) MRI to measure regional cerebral blood flow
Comparator: Non-tinnitus controls (implied)

Primary outcomes

Regional cerebral blood flow differences in tinnitus patients; Correlation of blood flow changes with transcriptional and cellular signatures

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