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The hemagglutinin (HA) protein of influenza A virus initiates cell entry by binding to sialic acids on target cells. In the current study, we demonstrated that in addition to sialic acids, influenza A/Puerto Rico/8/34 H1N1 (PR8) virus HA specifically binds to cell surface nucleolin (NCL). The interaction between HA and NCL was initially revealed with virus overlay protein binding assay (VOPBA) and...
Double-stranded DNA bacteriophages are highly pressurized, providing a force driving ejection of a significant fraction of the genome from its capsid. In P22-like Podoviridae, internal proteins (“E proteins”) are packaged into the capsid along with the genome, and without them the virus is not infectious. However, little is known about how and when these proteins come out of the virus. We employed...
Ribozymes are catalytic RNAs that offer several advantages as specific therapeutic genes against human immunodeficiency virus type 1 (HIV-1). Significant challenges in antiviral uses of ribozymes include (1) how best to express and to deliver this agent and (2) what is the best locale to target ribozymes against HIV-1 RNA. To explore the former, we have previously characterized several vector systems...
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