5 years ago

Development and function of group 2 innate lymphoid cells

The innate lymphoid cell (ILC) family has recently expanded with the discovery of type-2 innate lymphoid cells (ILC2). These cells arise from lymphoid progenitors in the bone marrow and, under the control of the transcriptional regulators RORα and Gata3, they mature to give rise to IL-5, IL-9 and IL-13 producing ILC2. These cells are critical components of the innate immune response to parasitic worm infections and have also been implicated in the pathogenesis of asthma and allergy. Recent advances in our understanding of the molecular regulation of ILC2 development and function now present the opportunity to develop new genetic models to assess ILC2 immune function and to investigate possible therapeutic interventions.


► ILC2 provide an innate source of type-2 cytokines (IL-5, IL-9 and IL-13). ► IL-13 production by ILC2 is critical to anti-helminthic immunity. ► ILC2 regulate allergic airways inflammation and lung tissue homeostasis. ► ILC2 development is instructed by the transcriptional regulators, RORα and Gata3. ► Bone marrow ILC2 precursors give rise to mature ILC2 upon adoptive transfer.

Publisher URL: www.sciencedirect.com/science

DOI: S0952791513000344

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