alexa Cholesterol biosynthesis modulation regulates dengue viral replication.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): Rothwell C, Lebreton A, Young Ng C, Lim JY, Liu W,

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Abstract We performed a focused siRNA screen in an A549 dengue type 2 New Guinea C subgenomic replicon cell line (Rluc-replicon) that contains a Renilla luciferase cassette. We found that siRNA mediated knock down of mevalonate diphospho decarboxylase (MVD) inhibited viral replication of the Rluc-replicon and DEN-2 NGC live virus replication in A549 cells. When the Rluc-replicon A459 cells were grown in delipidated media the replicon expression was suppressed and MVD knock down could further sensitize Renilla expression. Hymeglusin and zaragozic acid A could inhibit DEN-2 NGC live virus replication in K562 cells, while lovastatin could inhibit DEN-2 NGC live virus replication in human peripheral blood mononuclear cells. Renilla expression could be rescued in fluvastatin treated A549 Rluc-replicon cells after the addition of mevalonate, and partially restored with geranylgeranyl pyrophosphate, or farnesyl pyrophosphate. Our data suggest genetic and pharmacological modulation of cholesterol biosynthesis can regulate dengue virus replication. This article was published in Virology and referenced in Journal of Computer Science & Systems Biology

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