Abstract:
:Invariant natural killer T cells have a distinct developmental pathway from conventional αβ T cells. Here we demonstrate that the transcriptional repressor NKAP is required for invariant natural killer T cell but not conventional T cell development. In CD4-cre NKAP conditional knockout mice, invariant natural killer T cell development is blocked at the double-positive stage. This cell-intrinsic block is not due to decreased survival or failure to rearrange the invariant Vα14-Jα18 T cell receptor-α chain, but is rescued by overexpression of a rec-Vα14-Jα18 transgene at the double-positive stage, thus defining a role for NKAP in selection into the invariant natural killer T cell lineage. Importantly, deletion of the NKAP-associated protein histone deacetylase 3 causes a similar block in the invariant natural killer T cell development, indicating that NKAP and histone deacetylase 3 functionally interact to control invariant natural killer T cell development.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Thapa P,Das J,McWilliams D,Shapiro M,Sundsbak R,Nelson-Holte M,Tangen S,Anderson J,Desiderio S,Hiebert S,Sant'angelo DB,Shapiro VSdoi
10.1038/ncomms2580subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1582issn
2041-1723pii
ncomms2580journal_volume
4pub_type
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