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Spirulina inhibits HIV-1 replication. - GreenMedInfo Summary

Abstract Title:

Inhibition of HIV-1 replication by an aqueous extract of Spirulina platensis (Arthrospira platensis).

Abstract Source:

J Acquir Immune Defic Syndr Hum Retrovirol. 1998 May 1;18(1):7-12. PMID: 9593452

Abstract Author(s):

S Ayehunie, A Belay, T W Baba, R M Ruprecht

Abstract:

Full Citation: "An aqueous extract of the blue-green filamentous algae Arthrospira platensis (previously called Spirulina platensis) inhibited HIV-1 replication in human T-cell lines, peripheral blood mononuclear cells (PBMC), and Langerhans cells (LC). Extract concentrations ranging between 0.3 and 1.2 microg/ml reduced viral production by approximately 50% (50% effective concentration [EC50]) in PBMCs. The 50% inhibitory concentration (IC50) of extract for PBMC growth ranged between 0.8 and 3.1 mg/ml. Depending on the cell type used, therapeutic indices ranged between 200 and 6000. The extract inactivated HIV-1 infectivity directly when preincubated with virus before addition to human T-cell lines. Fractionation of the extract revealed antiviral activity in the polysaccharide fraction and also in a fraction depleted of polysaccharides and tannins. We conclude that aqueous A platensis extracts contain antiretroviral activity that may be of potential clinical interest.."

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Sayer Ji
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