Article ; Online: PD-1 regulates ILC3-driven intestinal immunity and homeostasis.
2024
Abstract: Interleukin-(IL) 22 production by intestinal group 3 innate lymphoid cells (ILC3) is critical to maintain gut homeostasis. However, IL-22 needs to be tightly controlled; reduced IL-22 expression is associated with intestinal epithelial barrier defect ... ...
Abstract | Interleukin-(IL) 22 production by intestinal group 3 innate lymphoid cells (ILC3) is critical to maintain gut homeostasis. However, IL-22 needs to be tightly controlled; reduced IL-22 expression is associated with intestinal epithelial barrier defect while its overexpression promotes tumor development. Here, using a single-cell ribonucleic acid sequencing approach, we identified a core set of genes associated with increased IL-22 production by ILC3. Among these genes, programmed cell death 1 (PD-1), extensively studied in the context of cancer and chronic infection, was constitutively expressed on a subset of ILC3. These cells, found in the crypt of the small intestine and colon, displayed superior capacity to produce IL-22. PD-1 expression on ILC3 was dependent on the microbiota and was induced during inflammation in response to IL-23 but, conversely, was reduced in the presence of Notch ligand. PD-1 |
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Language | English |
Publishing date | 2024-03-16 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 2411370-0 |
ISSN | 1935-3456 ; 1933-0219 |
ISSN (online) | 1935-3456 |
ISSN | 1933-0219 |
DOI | 10.1016/j.mucimm.2024.03.002 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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