Abstract:
:T and innate lymphoid cells (ILCs) share some aspects of their developmental programs. However, although Notch signaling is strictly required for T cell development, it is dispensable for fetal ILC development. Constitutive activation of Notch signaling, at the common lymphoid progenitor stage, drives T cell development and abrogates ILC development by preventing Id2 expression. By combining single-cell transcriptomics and clonal culture strategies, we characterize two heterogeneous α4β7-expressing lymphoid progenitor compartments. αLP1 (Flt3(+)) still retains T cell potential and comprises the global ILC progenitor, while αLP2 (Flt3(-)) consists of ILC precursors that are primed toward the different ILC lineages. Only a subset of αLP2 precursors is sensitive to Notch signaling required for their proliferation. Our study identifies, in a refined manner, the diversity of transitional stages of ILC development, their transcriptional signatures, and their differential dependence on Notch signaling.
journal_name
Cell Repjournal_title
Cell reportsauthors
Chea S,Schmutz S,Berthault C,Perchet T,Petit M,Burlen-Defranoux O,Goldrath AW,Rodewald HR,Cumano A,Golub Rdoi
10.1016/j.celrep.2016.01.015subject
Has Abstractpub_date
2016-02-16 00:00:00pages
1500-1516issue
6issn
2211-1247pii
S2211-1247(16)00036-Xjournal_volume
14pub_type
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