String vessels

1. Down syndrome with Alzheimer's disease neuropathology increases string vessels in humans (U=13, p = 0.0009).

   “We also found an increased number of string vessels (U=13, p = 0.0009) and pericytes [t(18)=3, p = 0.005].”

   Humanspost-mortem occipital cortex lamina III-IVoccipital cortex

   Blood‐brain barrier integrity and vessel morphology in adults with Down syndrome and Alzheimer's neuropathology

   AAIC 2025 abstract·24 Dec 2025

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