PMID- 25526861 OWN - NLM STAT- MEDLINE DCOM- 20170301 LR - 20191210 IS - 1559-1182 (Electronic) IS - 0893-7648 (Linking) VI - 53 IP - 3 DP - 2016 Apr TI - Bone Marrow-Derived Endothelial Progenitor Cells Protect Against Scopolamine-Induced Alzheimer-Like Pathological Aberrations. PG - 1403-1418 LID - 10.1007/s12035-014-9051-8 [doi] AB - Vascular endothelial dysfunction plays a key role in the pathogenesis of Alzheimer's disease (AD). Patients with AD have displayed decreased circulating endothelial progenitor cells (EPCs) which repair and maintain the endothelial function. Transplantation of EPCs has emerged as a promising approach for the management of cerebrovascular diseases including ischemic stroke, however, its impact on AD has been poorly described. Thus, the current study aimed at investigating the effects of bone marrow-derived (BM) EPCs transplantation in repeated scopolamine-induced cognitive impairment, an experimental model that replicates biomarkers of AD. Intravenously transplanted BM-EPCs migrated into the brain of rats and improved the learning and memory deficits. Meanwhile, they mitigated the deposition of amyloid plaques and associated histopathological alterations. At the molecular levels, BM-EPCs blunted the increase of hippocampal amyloid beta protein (Abeta), amyloid precursor protein (APP) and reinstated the Abeta-degrading neprilysin together with downregulation of p-tau and its upstream glycogen synthase kinase-3beta (GSK-3beta). They also corrected the perturbations of neurotransmitter levels including restoration of acetylcholine and associated esterase along with dopamine, GABA, and the neuroexitatory glutamate. Furthermore, BM-EPCs induced behavioral recovery via boosting of vascular endothelial growth factor (VEGF), nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF) and its upstream cAMP response element binding (CREB), suppression of the proinflammatory tumor necrosis factor-alpha (TNF-alpha) and interleukin-1beta (IL-1beta), and upregulation of interleukin-10 (IL-10). BM-EPCs also augmented Nrf2 and seladin-1. Generally, these actions were analogous to those exerted by adipose tissue-derived mesenchymal stem cells (AT-MSCs) and the reference anti-Alzheimer donepezil. For the first time, these findings highlight the beneficial actions of BM-EPCs against the memory deficits and AD-like pathological dysfunction. FAU - Safar, Marwa M AU - Safar MM AD - Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt. FAU - Arab, Hany H AU - Arab HH AD - Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt. hany.arab@pharma.cu.edu.eg. FAU - Rizk, Sherine M AU - Rizk SM AD - Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt. FAU - El-Maraghy, Shohda A AU - El-Maraghy SA AD - Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt. LA - eng PT - Journal Article DEP - 20141221 PL - United States TA - Mol Neurobiol JT - Molecular neurobiology JID - 8900963 RN - 0 (Cytokines) RN - 0 (Indans) RN - 0 (Intercellular Signaling Peptides and Proteins) RN - 0 (Nerve Tissue Proteins) RN - 0 (Neurotransmitter Agents) RN - 0 (Piperidines) RN - 8SSC91326P (Donepezil) RN - DL48G20X8X (Scopolamine) SB - IM MH - Adipose Tissue/cytology MH - Alzheimer Disease/chemically induced/pathology/*prevention & control MH - Animals MH - Cell Movement MH - Cells, Cultured MH - Cognition Disorders/chemically induced/therapy MH - Cytokines/metabolism MH - Disease Models, Animal MH - Donepezil MH - Endothelial Progenitor Cells/*transplantation MH - Gene Expression Profiling MH - Hippocampus/metabolism/pathology MH - Indans/therapeutic use MH - Intercellular Signaling Peptides and Proteins/metabolism MH - Learning Disabilities/chemically induced/therapy MH - Male MH - Maze Learning MH - Mesenchymal Stem Cell Transplantation MH - Nerve Tissue Proteins/analysis MH - Neurotransmitter Agents/metabolism MH - Piperidines/therapeutic use MH - Random Allocation MH - Rats MH - Rats, Wistar MH - Scopolamine/toxicity OTO - NOTNLM OT - Alzheimer OT - Amyloid beta-protein OT - Endothelial progenitor cells OT - Neuroinflammation OT - Neurotransmitters OT - Neurotrophic factors EDAT- 2014/12/21 06:00 MHDA- 2017/03/03 06:00 CRDT- 2014/12/21 06:00 PHST- 2014/11/01 00:00 [received] PHST- 2014/12/02 00:00 [accepted] PHST- 2014/12/21 06:00 [entrez] PHST- 2014/12/21 06:00 [pubmed] PHST- 2017/03/03 06:00 [medline] AID - 10.1007/s12035-014-9051-8 [pii] AID - 10.1007/s12035-014-9051-8 [doi] PST - ppublish SO - Mol Neurobiol. 2016 Apr;53(3):1403-1418. doi: 10.1007/s12035-014-9051-8. Epub 2014 Dec 21.