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The transcription factor GATA3 is critical for the development of all IL-7R?-expressing innate lymphoid cells.


ABSTRACT: Innate lymphoid cells (ILCs) are critical in innate immune responses to pathogens and lymphoid organ development. Similar to CD4(+) T helper (Th) cell subsets, ILC subsets positive for interleukin-7 receptor ? (IL-7R?) produce distinct sets of effector cytokines. However, the molecular control of IL-7R?(+) ILC development and maintenance is unclear. Here, we report that GATA3 was indispensable for the development of all IL-7R?(+) ILC subsets and T cells but was not required for the development of classical natural killer cells. Conditionally Gata3-deficient mice had no lymph nodes and were susceptible to Citrobactor rodentium infection. After the ILCs had fully developed, GATA3 remained important for the maintenance and functions of ILC2s. Genome-wide gene expression analyses indicated that GATA3 regulated a similar set of cytokines and receptors in Th2 cells and ILC2s, but not in ILC3s. Thus, GATA3 plays parallel roles in regulating the development and functions of CD4(+) T cells and IL-7R?(+) ILCs.

SUBMITTER: Yagi R 

PROVIDER: S-EPMC4026797 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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The transcription factor GATA3 is critical for the development of all IL-7Rα-expressing innate lymphoid cells.

Yagi Ryoji R   Zhong Chao C   Northrup Daniel L DL   Yu Fang F   Bouladoux Nicolas N   Spencer Sean S   Hu Gangqing G   Barron Luke L   Sharma Suveena S   Nakayama Toshinori T   Belkaid Yasmine Y   Zhao Keji K   Zhu Jinfang J  

Immunity 20140313 3


Innate lymphoid cells (ILCs) are critical in innate immune responses to pathogens and lymphoid organ development. Similar to CD4(+) T helper (Th) cell subsets, ILC subsets positive for interleukin-7 receptor α (IL-7Rα) produce distinct sets of effector cytokines. However, the molecular control of IL-7Rα(+) ILC development and maintenance is unclear. Here, we report that GATA3 was indispensable for the development of all IL-7Rα(+) ILC subsets and T cells but was not required for the development o  ...[more]

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