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Transgenic Res. 2014 Jun;23(3):519-29. doi: 10.1007/s11248-014-9795-y. Epub 2014 Apr 3.

Conditional ablation of TYK2 in immunity to viral infection and tumor surveillance.

Author information

1
Institute of Animal Breeding and Genetics, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria.

Abstract

Tyrosine kinase 2 (TYK2) has a pivotal role in immunity to infection and tumor surveillance. It is associated with several cytokine receptor chains including type I interferon (IFN) receptor 1 (IFNAR1), interleukin- (IL-) 12 receptor beta 1 (IL-12Rb1) and IL-10R2. We have generated a mouse with a conditional Tyk2 null allele and proved integrity of the conditional Tyk2 locus. TYK2 was successfully removed by the use of ubiquitous and tissue-specific Cre-expressing mouse strains. Myeloid TYK2 was found to critically contribute to the defense against murine cytomegalovirus. Ubiquitous TYK2 ablation severely impaired tumor immunosurveillance, while deletion in myeloid, dendritic or T cells alone showed no effect. The conditional Tyk2 mouse strain will be instrumental to further dissect TYK2 functions in infection, inflammation and cancer.

PMID:
24696087
DOI:
10.1007/s11248-014-9795-y
[Indexed for MEDLINE]

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