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The D-amino acid peptide D3 reduces amyloid fibril boosted HIV-1 infectivity.

AbstractBACKGROUND:
Amyloid fibrils such as Semen-Derived Enhancer of Viral Infection (SEVI) or amyloid-β-peptide (Aβ) enhance HIV-1 attachment and entry. Inhibitors destroying or converting those fibrils into non-amyloidogenic aggregates effectively reduce viral infectivity. Thus, they seem to be suitable as therapeutic drugs expanding the current HIV-intervening repertoire of antiretroviral compounds.
FINDINGS:
In this study, we demonstrate that the small D-amino acid peptide D3, which was investigated for therapeutic studies on Alzheimer's disease (AD), significantly reduces both SEVI and Aβ fibril boosted infectivity of HIV-1.
CONCLUSIONS:
Since amyloids could play an important role in the progression of AIDS dementia complex (ADC), the treatment of HIV-1 infected individuals with D3, that inhibits Aβ fibril formation and converts preformed Aβ fibrils into non-amyloidogenic and non-fibrillar aggregates, may reduce the vulnerability of the central nervous system of HIV patients for HIV associated neurological disorders.
AuthorsMarek Widera, Antonia Nicole Klein, Yeliz Cinar, Susanne Aileen Funke, Dieter Willbold, Heiner Schaal
JournalAIDS research and therapy (AIDS Res Ther) Vol. 11 Issue 1 Pg. 1 (Jan 14 2014) ISSN: 1742-6405 [Print] England
PMID24422713 (Publication Type: Journal Article)

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