Regulated nucleocytoplasmic trafficking of viral gene products: a therapeutic target ?

Gualtiero Alvisi, Stephen Rawlinson, Reena Ghildyal, Alessandro Ripalti, David Jans

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The study of viral proteins and host cell factors that interact with them has represented an invaluable contribution to understanding of the physiology as well as associated pathology of key eukaryotic cell processes such as cell cycle regulation, signal transduction and transformation. Similarly, knowledge of nucleocytoplasmic transport is based largely on pioneering studies performed on viral proteins that enabled the first sequences responsible for the facilitated transport through the nuclear pore to be identified. The study of viral proteins has also enabled the discovery of several nucleocytoplasmic regulatory mechanisms, the best characterized being through phosphorylation. Recent delineation of the mechanisms whereby phosphorylation regulates nuclear import and export of key viral gene products encoded by important human pathogens such as human cytomegalovirus dengue virus and respiratory syncytial virus has implications for the development of antiviral therapeutics. In particular, the development of specific and effective kinase inhibitors makes the idea of blocking viral infection by inhibiting the phosphorylation-dependent regulation of viral gene product nuclear transport a real possibility. Additionally, examination of a chicken anemia virus (CAV) protein able to target selectively into the nucleus of tumor but not normal cells, as specifically regulated by phosphorylation, opens the exciting possibility of cancer cell-specific nuclear targeting. The study of nucleoplasmic transport may thus enable the development not only of new antiviral approaches, but also contribute to anti-cancer strategies
Original languageEnglish
Pages (from-to)213-227
Number of pages15
JournalBiochimica Biophysica Acta-Proteins and Proteomics
Volume1784
Issue number1
DOIs
Publication statusPublished - 2008
Externally publishedYes

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Viral Proteins
Phosphorylation
Cell Nucleus Active Transport
Viruses
Antiviral Agents
Chicken anemia virus
Cells
Therapeutics
Nuclear Pore
Neoplasms
Signal transduction
Dengue Virus
Respiratory Syncytial Viruses
Physiology
Eukaryotic Cells
Pathology
Pathogens
Virus Diseases
Cytomegalovirus
Tumors

Cite this

Alvisi, Gualtiero ; Rawlinson, Stephen ; Ghildyal, Reena ; Ripalti, Alessandro ; Jans, David. / Regulated nucleocytoplasmic trafficking of viral gene products: a therapeutic target ?. In: Biochimica Biophysica Acta-Proteins and Proteomics. 2008 ; Vol. 1784, No. 1. pp. 213-227.
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Regulated nucleocytoplasmic trafficking of viral gene products: a therapeutic target ? / Alvisi, Gualtiero; Rawlinson, Stephen; Ghildyal, Reena; Ripalti, Alessandro; Jans, David.

In: Biochimica Biophysica Acta-Proteins and Proteomics, Vol. 1784, No. 1, 2008, p. 213-227.

Research output: Contribution to journalArticle

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