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Effect of curcumin-associated and lipid ligand-functionalized nanoliposomes on aggregation of the Alzheimer's Aβ peptide

Research output: Contribution to journalJournal article

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  • Mark Taylor
  • Susan Moore
  • Spyridon Mourtas
  • Anna Niarakis
  • Francesca Re
  • Cristiano Zona
  • Barbara La Ferla
  • Francesco Nicotra
  • Massimo Masserini
  • Sophia G Antimisiaris
  • Maria Gregori
  • David Allsop
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<mark>Journal publication date</mark>10/2011
<mark>Journal</mark>Nanomedicine: Nanotechnology, Biology, and Medicine
Issue number5
Volume7
Number of pages10
Pages (from-to)541-550
Publication statusPublished
Original languageEnglish

Abstract

The effect of various types of nanoliposomes (associated with curcumin, phosphatidic acid, cardiolipin, or GM1 ganglioside) on the aggregation of the amyloid-β(1-42) (Aβ(1-42)) peptide was investigated. Nanoliposomes incorporating curcumin (curcumin-liposomes) were prepared by adding curcumin in the lipid phase during liposome preparation, whereas curcumin surface-decorated liposomes were prepared by using a curcumin-lipid conjugate (lipid-S-curcumin liposomes) or by attaching a curcumin derivative on preformed liposomes by click chemistry (click-curcumin liposomes). The lipid ligands (phosphatidic acid, cardiolipin, or GM1) were also incorporated into nanoliposomes during their formation. All nanoliposomes with curcumin, or the curcumin derivative, were able to inhibit the formation of fibrillar and/or oligomeric Aβ in vitro. Of the three forms of curcumin liposomes tested, the click-curcumin type was by far the most effective. Liposomes with lipid ligands only inhibited Aβ fibril and oligomer formation at a very high ratio of liposome to peptide. Curcumin-based liposomes could be further developed as a novel treatment for Alzheimer's disease.