Expressive

rs11257311 - ECHDC3

Magnitude 2.2 · 1 study on file

Reported associations

  • Cerebral small vessel disease genomics and its implications across the lifespan - Unknown journal (n.d.) · Unknown authors · PubMed 33293549

    ABSTRACT: White matter hyperintensities (WMH) are the most common brain-imaging feature of cerebral small vessel disease (SVD), hypertension being the main known risk factor. Here, we identify 27 genome-wide loci for WMH-volume in a cohort of 50,970 older individuals, accounting for modification/confounding by hypertension. Aggregated WMH risk variants were associated with altered white matter integrity (p = 2.5×10-7) in brain images from 1,738 young healthy adults, providing insight into the lifetime impact of SVD genetic risk. Mendelian randomization suggested causal association of increasing WMH-volume with stroke, Alzheimer-type dementia, and of increasing blood pressure (BP) with larger WMH-volume, notably also in persons without clinical hypertension. Transcriptome-wide colocali

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Lifestyle context

Concrete actions anchored to the cited research. We do not prescribe, we describe.

Discuss with your doctor

  • Personalized stroke and dementia prevention strategy Moderate

    This genetic variant affects white matter through a mechanism distinct from traditional vascular risk factors, requiring specialized discussion for comprehensive prevention planning

    Inform clinician; discuss optimal screening intervals, monitoring strategies, and WMH prevention based on genetic risk

Screening

  • Brain MRI for white matter hyperintensity assessment Moderate

    This genetic variant increases white matter hyperintensity volume, which is causally linked to higher risk of stroke and Alzheimer-type dementia

    Baseline brain MRI at age 40-50; discuss repeat imaging schedule with clinician based on findings and risk factors

  • Cognitive function screening for dementia risk Moderate

    White matter hyperintensity volume is causally associated with Alzheimer-type dementia and cognitive decline; early identification of changes enables intervention

    Begin cognitive screening at age 50-60 using validated tools; annual assessment or more frequent per clinician