HEV-ORF3 Encoding Phosphoprotein Interacts With Hepsin

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AuthorChunyan Wangen
AuthorLiang Guoen
AuthorDayi Yuen
AuthorXiuguo Huaen
AuthorZhibiao Yangen
AuthorCongli Yuanen
AuthorLi Cuien
Issued Date2014-01-01en
AbstractBackground: Hepatitis E virus (HEV) is a major causative agent of acute clinical hepatitis in adults through much of Asia, the Middle East and Africa. Open reading frame 3 (ORF3) encodes around 120 amino acids of phosphorylation protein that associates with the cytoskeleton, while its precise biological function is still unknown. Objectives: In order to understand the function of ORF3 protein (pORF3) in depth, HEV ORF3 interacting proteins were screened in human hepatocytes cDNA library using two-hybrid system techniques and further verification of the interactions were carried out through co-immunoprecipitation (Co-IP). Materials and Methods: The Cyto-Trap two-hybrid system technology, a classical method for analyzing protein interactions, was used to screen the pORF3 interacting proteins from human hepatocytes cDNA library. Results: Through the Cyto-Trap two-hybrid system, eight proteins interacting with pORF3 were winnowed. The Co-IP results confirmed that hepsin which is reported to function as the inhibitor of several tumors reacted with pORF3. Conclusions: Out of eight screened proteins interacting with pORF3, hepsin was confirmed to have specific interactions with pORF3.en
DOIhttps://doi.org/10.5812/hepatmon.13902en
Keyword<b>ORF3 proteinen
KeywordHepatitis E virus</b>en
Keyword<b>Hepsin</b>en
Keyword<b>Two-Hybrid System Techniques</b>en
Keyword<b>Immunoprecipitation</b>en
PublisherBrieflandsen
TitleHEV-ORF3 Encoding Phosphoprotein Interacts With Hepsinen
TypeResearch Articleen

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