Lionel Le Bourhis

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Group 2 innate lymphoid cells (ILC2) include IL-5- and IL-13-producing CRTh2(+)CD127(+)cells that are implicated in early protective immunity at mucosal surfaces. Whereas functional plasticity has been demonstrated for both human and mouse ILC3 subsets that can reversibly give rise to IFN-γ-producing ILC1, plasticity of human or mouse ILC2 has not been(More)
Innate lymphoid cells (ILCs) represent innate versions of T helper and cytotoxic T cells that differentiate from committed ILC precursors (ILCPs). How ILCPs give rise to mature tissue-resident ILCs remains unclear. Here, we identify circulating and tissue ILCPs in humans that fail to express the transcription factors and cytokine outputs of mature ILCs but(More)
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