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October 11, 2013Molecular & Cellular ProteomicsOpen Access

A Human Proteome Microarray Identifies that the Heterogeneous Nuclear Ribonucleoprotein K (hnRNP K) Recognizes the 5′ Terminal Sequence of the Hepatitis C Virus RNA

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Key result

Knockdown of heterogeneous nuclear ribonucleoprotein K (hnRNP K) reduced HCV replication in a concentration-dependent manner, identifying it as a key cellular protein binding to HCV SL1.

Population

Human proteome microarray and Huh7.5 cells stably expressing HCV replicon

Design

Preclinical

Authors

BFBaochang FanNational Central UniversityKLKuan‐Yi LuUniversity of North Carolina at Chapel HillFSF.X. Reymond SutandyNational Central University

Discussion

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Implication

Hypothesis-generating in animal models; leaves open hnRNP K as a human HCV target pending clinical validation.

Structured PICO

P
Population
Human proteome microarray (∼17,000 individually purified human proteins in full-length) and Huh7.5 cells stably expressing HCV replicon
I
Intervention
siRNA-induced silencing of candidate genes (specifically heterogeneous nuclear ribonucleoprotein K [hnRNP K])
O
Outcome
HCV replication efficiency and binding to HCV SL1surrogate

Identifies hnRNP K as a cellular protein that binds to HCV SL1 and regulates HCV replication.

Cite This Study

Fan et al. (2013) studied Hepatitis C virus (HCV). siRNA-induced silencing of hnRNP K was evaluated on HCV replication efficiency. Knockdown of heterogeneous nuclear ribonucleoprotein K (hnRNP K) reduced HCV replication in a concentration-dependent manner, identifying it as a key cellular protein binding to HCV SL1.

synapsesocial.com/papers/6a9644c0ff8a6b2115f6962dhttps://doi.org/10.1074/mcp.m113.031682
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1hnRNP K: One protein multiple processes2004 · 500 citations
  2. 2Hepatitis C Virus F Protein Is a Short-Lived Protein Associated with the Endoplasmic Reticulum2002 · 74 citations
  3. 3Rapid Identification of Monospecific Monoclonal Antibodies Using a Human Proteome Microarray2012 · 176 citations
  4. 4Binding of Hepatitis C Virus to CD811998 · 2,071 citations