Anti-HIV-1 activity of myo-inositol hexaphosphoric acid (IP6) and myo-inositol hexasulfate(IS6).

T Otake, H Mori, M Morimoto, K Miyano, N Ueba, I Oishi, N Kunita, T Kurimura

文献索引：Anticancer Res. 19(5A) , 3723-6, (1999)

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摘要

It is known that polysulfates have some anti-HIV-1 activity. We investigated the anti-HIV-1 activity of myo-inositol hexaphosphoric acid (IP6) and myo-inositol hexasulfate(IS6), low molecular weight carbohydrates. IP6 and IS6 inhibited the replication of HIV-1 in a T cell line as well as that of a freshly isolated strain in peripheral blood mononuclear cells. Neither substance inhibited HIV-1-induced giant cell formation, but addition of IS6 when infecting cells with HIV-1 inhibited the replication of HIV-1. Neither substance inhibited HIV-1 reverse transcriptase activity in vitro and no influence on late stage replication was noted. Although the mechanisms of IP6 and IS6 action remain unclear, it can be speculated that they act on HIV-1 early replicative stage. Although it is not possible to develop IP6 and IS6 themselves as anti-AIDS drugs, studies of these anti-HIV agents might be expected to provide seed for eventual production of superior drugs for AIDS treatment.