Document Detail

Liposomes functionalized with acidic lipids rescue Aβ-induced toxicity in murine neuroblastoma cells.
MedLine Citation:
PMID:  21703989     Owner:  NLM     Status:  Publisher    
The loss of synapses and neurons in Alzheimer's disease (AD) is thought to be at least partly induced by toxic species formed by the amyloid beta (Aβ) peptide; therefore, therapeutics aimed at reducing Aβ toxicity could be of clinical use for treatment of AD. Liposomes are suitable vehicles for therapeutic agents and imaging probes, and a promising way of targeting the various Aβ forms. We tested liposomes functionalized with phosphatidic acid, cardiolipin, or GM1 ganglioside, previously shown to have high Aβ-binding capacity. Mimicking Aβ-induced toxicity in mouse neuroblastoma cell lines, combined with administration of cell viability-modulating agents, we observed that functionalized liposomes rescued cell viability to different extents. We also detected rescue of the imbalance of GSK-3β and PP2A activity, and reduction in tau phosphorylation. Thus, these liposomes appear particularly suitable for implementing further therapeutic strategies for AD.
Erika Bereczki; Francesca Re; Massimo E Masserini; Bengt Winblad; Jin Jing Pei
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-23
Journal Detail:
Title:  Nanomedicine : nanotechnology, biology, and medicine     Volume:  -     ISSN:  1549-9642     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101233142     Medline TA:  Nanomedicine     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Department of Neurobiology, Care Sciences and Society, Division of Alzheimer Disease Research Center, Karolinska Institutet, Stockholm, Sweden.
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