In Vitro Anti-HIV-1 Activity of Fucoidans from Brown Algae

Author:

Nosik Marina N.1ORCID,Krylova Natalya V.2ORCID,Usoltseva Roza V.3ORCID,Surits Valerii V.3,Kireev Dmitry E.4ORCID,Shchelkanov Mikhail Yu.2,Svitich Oxana A.1,Ermakova Svetlana P.3

Affiliation:

1. I.I. Mechnikov Institute of Vaccines and Sera, 105064 Moscow, Russia

2. G.P. Somov Institute of Epidemiology and Microbiology, Rospotrebnadzor, 690087 Vladivostok, Russia

3. G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, 690022 Vladivostok, Russia

4. Central Research Institute of Epidemiology, Rospotrebnadzor, 111123 Moscow, Russia

Abstract

Due to the developing resistance and intolerance to antiretroviral drugs, there is an urgent demand for alternative agents that can suppress the viral load in people living with human immunodeficiency virus (HIV). Recently, there has been increased interest in agents of marine origin such as, in particular, fucoidans to suppress HIV replication. In the present study, the anti-HIV-1 activity of fucoidans from the brown algae Alaria marginata, Alaria ochotensis, Laminaria longipes, Saccharina cichorioides, Saccharina gurianovae, and Tauya basicrassa was studied in vitro. The studied compounds were found to be able to inhibit HIV-1 replication at different stages of the virus life cycle. Herewith, all fucoidans exhibited significant antiviral activity by affecting the early stages of the virus–cell interaction. The fucoidan from Saccharina cichorioides showed the highest virus-inhibitory activity by blocking the virus’ attachment to and entry into the host’s cell, with a selectivity index (SI) > 160.

Publisher

MDPI AG

Reference59 articles.

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4. VeryWellHealth (2024, April 15). List of Approved HIV Antiretroviral Drugs. (Updated on 23 August 2023). Available online: https://www.verywellhealth.com/list-of-approved-hiv-antiretroviral-drugs-49309.

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