Vasomechanic treatment is associated with increased efflux of human brain proteins.

Combined sublingual nitric oxide and Piezo1-targeted whole-body vibrations in healthy adults (n=29) is linked to increased circulating soluble brain-derived proteins, including Aβ40/42 and GFAP.

• Why it matters: Age-related impairment in NO-mediated vasodilation and Piezo1-dependent vasoconstriction may precede disrupted brain fluid homeostasis and protein accumulation in Alzheimer’s disease, creating a need for non-invasive ways to enhance solute efflux.
• What they did: In a controlled human study (EudraCT 2021-000625-27), multimodal neuroimaging and blood biomarker analyses assessed how NO and WBV p—alone and combined—affected brain fluid dynamics and circulating protein concentrations.
• The result: The combined intervention correlated with changes in brain fluid dynamics and higher blood levels of Aβ40/42 and GFAP, with effects increasing with age and the magnitude of NO-induced hypotension, consistent with transient redistribution toward circulation.

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