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The D-amino Acid Peptide D3 Reduces Amyloid Fibril Boosted HIV-1 Infectivity

Widera et al., AIDS Res. Ther. (2014) - PMID: 24422713

Product(s) used in this publication:  Amyloid Beta A4 Peptides

Abstract:

BACKGROUND:

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.

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