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Vet Immunol Immunopathol. 2010 Mar 15;134(1-2):14-24. doi: 10.1016/j.vetimm.2009.10.004. Epub 2009 Oct 9.

Restriction of feline retroviruses: lessons from cat APOBEC3 cytidine deaminases and TRIM5alpha proteins.

Author information

1
Clinic for Gasteroenterology, Hepatology and Infectiology, Heinrich-Heine-University, Düsseldorf, Germany.

Abstract

The interplay between viral and cellular factors determines the outcome of an initial contact between a given virus and its natural host or upon encounter of a novel host. Thus, the potential of inducing disease as well as crossing host species barriers are the consequences of the molecular interactions between the parasite and its susceptible, tolerant or resistant host. Cellular restriction factors, for instance APOBEC3 and TRIM5 proteins, targeting defined pathogens or groups of pathogens as well as viral genes counter-acting these cellular defense systems are of prime importance in this respect and may even represent novel targets for prevention and therapy of virus infections. Due to the importance of host-encoded antiviral restriction and viral counter-defense for pathogenicity and host tropism, the responsible molecular factors and mechanisms are currently under intense investigation. In this review we will introduce host restriction and retroviral counter-defense systems with a special emphasis on the cat and its naturally occurring exogenous retroviruses which is a valid model for human disease, a model that will contribute to increase our basic understanding and potential applications of these important aspects of host-virus interaction.

PMID:
19896724
DOI:
10.1016/j.vetimm.2009.10.004
[Indexed for MEDLINE]

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