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Mol Psychiatry. 2006 Dec;11(12):1113-5. Epub 2006 Oct 10.

Decreased circulating CD34+ stem cells in early Alzheimer's disease: Evidence for a deficient hematopoietic brain support?

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  • 1Department of Psychiatry and Psychotherapy, University of Erlangen-Nuremberg, Erlangen, Germany.

Abstract

Hematopoietic stem cells contribute to mammalian brain tissue regeneration by transdifferentiation processes. We found decreased counts of circulating CD34+ cells in early Alzheimer's dementia (AD; P = 0.01), which significantly correlated with age (r = -0.661; P = 0.001), cerebrospinal fluid beta-amyloid (Abeta)1-42 (r = -0.467; P = 0.025) and most pronounced the Abeta42/40 ratio (r = -0.688; P = 0.005). Our data suggest a deficient regenerative hematopoietic support for the central nervous system in early AD.

PMID:
17033629
[PubMed - indexed for MEDLINE]
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