PUBLICATION

Single-cell transcriptional analysis reveals ILC-like cells in zebrafish

Authors
Hernández, P.P., Strzelecka, P.M., Athanasiadis, E.I., Hall, D., Robalo, A.F., Collins, C.M., Boudinot, P., Levraud, J.P., Cvejic, A.
ID
ZDB-PUB-181118-14
Date
2018
Source
Science immunology   3(29): (Journal)
Registered Authors
Levraud, Jean-Pierre
Keywords
none
MeSH Terms
  • Animals
  • Immunity, Innate/immunology*
  • Lymphocytes/immunology*
  • Single-Cell Analysis*
  • Transcription, Genetic*/immunology
  • Zebrafish/immunology*
PubMed
30446505 Full text @ Sci Immunol
Abstract
Innate lymphoid cells (ILCs) are important mediators of the immune response and homeostasis in barrier tissues of mammals. However, the existence and function of ILCs in other vertebrates are poorly understood. Here, we use single-cell RNA sequencing to generate a comprehensive atlas of zebrafish lymphocytes during tissue homeostasis and after immune challenge. We profiled 14,080 individual cells from the gut of wild-type zebrafish, as well as of rag1-deficient zebrafish that lack T and B cells, and discovered populations of ILC-like cells. We uncovered a rorc-positive subset of ILCs that could express cytokines associated with type 1, 2, and 3 responses upon immune challenge. Specifically, these ILC-like cells expressed il22 and tnfa after exposure to inactivated bacteria or il13 after exposure to helminth extract. Cytokine-producing ILC-like cells express a specific repertoire of novel immune-type receptors, likely involved in recognition of environmental cues. We identified additional novel markers of zebrafish ILCs and generated a cloud repository for their in-depth exploration.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping