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Targeted inhibition of Hantavirus replication and intracranial pathogenesis by a chimeric protein-delivered siRNA.
Abstract Hantavirus (HV) infection, which underlies hantavirus hemorrhagic fever with renal syndrome and hantavirus pulmonary syndrome, remains to be a severe clinical challenge. Here, we synthesized small interfering RNAs (siRNAs) that target the encoding sequences of HV strain 76-118, and validated their inhibitory role in virus replication in HV-infected monkey kidney Vero E6 cells. A chimeric protein, 3G1-Cκ-tP, consisting of a single-chain antibody fragment (3G1) against the HV surface envelop glycoprotein, the constant region of human immunoglobulin κ chain (Cκ), and truncated protamine (amino acids 8-29,...
Source: Antiviral Research - October 7, 2017 Category: Virology Authors: Yang J, Sun JF, Wang TT, Guo XH, Wei JX, Jia LT, Yang AG Tags: Antiviral Res Source Type: research

Targeted inhibition of Hantavirus replication and intracranial pathogenesis by a chimeric protein-delivered siRNA
Publication date: Available online 7 October 2017 Source:Antiviral Research Author(s): Jie Yang, Ji-Feng Sun, Ting-Ting Wang, Xiao-Hong Guo, Jun-Xia Wei, Lin-Tao Jia, An-Gang Yang Hantavirus (HV) infection, which underlies hantavirus hemorrhagic fever with renal syndrome and hantavirus pulmonary syndrome, remains to be a severe clinical challenge. Here, we synthesized small interfering RNAs (siRNAs) that target the encoding sequences of HV strain 76-118, and validated their inhibitory role in virus replication in HV-infected monkey kidney Vero E6 cells. A chimeric protein, 3G1-Cκ-tP, consisting of a single-chain antibody...
Source: Antiviral Therapy - October 8, 2017 Category: Virology Source Type: research

Analysis of the relationship between replication of the Hokkaido genotype of Puumala orthohantavirus and autophagy
In this study, we examined the role of autophagy in PUUV-Hok replication. PUUV-Hok infection induced the expression of LC3-II, an autophagosome marker, and the nucleocapsid protein (NP) of PUUV-Hok was colocalized with punctate structures of LC3. Inhibition of autophagy using an siRNA for Atg5, an autophagy-related gene, increased the replication of PUUV-Hok, whereas an autophagy inducer decreased its replication. Inhibition of lysosomal degradation increased the expression of NP and LC3-II. In summary, autophagy was induced by PUUV-Hok infection, which inhibited PUUV-Hok replication in a manner related to the degradation ...
Source: Virus Research - May 31, 2022 Category: Virology Authors: Kazuma Tamiya Shintaro Kobayashi Kentaro Yoshii Hiroaki Kariwa Source Type: research