Co-expression of CD163 and CD141 Identifies Human Circulating IL-10-Producing Dendritic Cells (DC-10) [RNA-seq]
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PROVIDER: PRJNA483780 | ENA |
REPOSITORIES: ENA
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Project description:Tolerogenic dendritic cells (DC) are key players in maintaining immunological homeostasis, dampening immune reactions, and promoting tolerance. DC-10, a tolerogenic population of human IL-10-producing DC characterized by the expression of HLA-G and ILT4, play a pivotal role in promoting tolerance via T regulatory type 1 (Tr1) cells. Thus far, the absence of specific biomarkers that uniquely identify DC-10 limited their studies in vivo. By gene expression profiling of in vitro differentiated human DC, we identified CD141 and CD163 as specific surface markers for DC-10. The co-expression of CD141 and CD163 in combination with CD14 and CD16 enables the ex vivo isolation of blood circulating DC-10. FACS-isolated CD14+CD16+CD141+CD163+ cells (ex vivo DC-10) from peripheral blood of healthy subjects produced spontaneously and upon activation IL-10 and limited levels of IL-12. Moreover, in vitro stimulation of allogeneic naive CD4+ T cells with ex vivo isolated CD14+CD16+CD141+CD163+ cells induced the differentiation of allo-specific Tr1 cells. Finally, ex vivo isolated CD14+CD16+CD141+CD163+ cells and in vitro differentiated DC-10 exhibited a similar transcriptional profile, characterized by anti-inflammatory and pro-tolerogenic signature. These results provide new insight into the DC-10 phenotype and on the role of circulating DC-10 in modulating T cell responses and promoting Tr1 cells. These findings open the opportunity to track DC-10 in vivo and to define their role in physiological and pathological settings.
2019-06-07 | GSE117946 | GEO
Project description:Tolerogenic dendritic cells (DC) are key players in maintaining immunological homeostasis, dampening immune reactions, and promoting tolerance. DC-10, a tolerogenic population of human IL-10-producing DC characterized by the expression of HLA-G and ILT4, play a pivotal role in promoting tolerance via T regulatory type 1 (Tr1) cells. Thus far, the absence of specific biomarkers that uniquely identify DC-10 limited their studies in vivo. By gene expression profiling of in vitro differentiated human DC, we identified CD141 and CD163 as specific surface markers for DC-10. The co-expression of CD141 and CD163 in combination with CD14 and CD16 enables the ex vivo isolation of blood circulating DC-10. FACS-isolated CD14+CD16+CD141+CD163+ cells (ex vivo DC-10) from peripheral blood of healthy subjects produced spontaneously and upon activation IL-10 and limited levels of IL-12. Moreover, in vitro stimulation of allogeneic naive CD4+ T cells with ex vivo isolated CD14+CD16+CD141+CD163+ cells induced the differentiation of allo-specific Tr1 cells. Finally, ex vivo isolated CD14+CD16+CD141+CD163+ cells and in vitro differentiated DC-10 exhibited a similar transcriptional profile, characterized by anti-inflammatory and pro-tolerogenic signature. These results provide new insight into the DC-10 phenotype and on the role of circulating DC-10 in modulating T cell responses and promoting Tr1 cells. These findings open the opportunity to track DC-10 in vivo and to define their role in physiological and pathological settings.
2019-06-07 | GSE117945 | GEO
Project description:Co-expression of CD163 and CD141 Identifies Human Circulating IL-10-Producing Dendritic Cells (DC-10)
| PRJNA483777 | ENA
Project description:Co-expression of CD163 and CD141 Identifies Human Circulating IL-10-Producing Dendritic Cells (DC-10) [expression array]
| PRJNA483779 | ENA
Project description: Not available
| S-EPMC6952411 | biostudies-literature
Project description:To identify factors associated with the immunosuppressor activity of IL-10+ DC, these cells were obtained from VertX mice immunized with OVA+imiquimod and compared with IL-10- DCs from the same mice and from VertX mice, either untreated or vaccinated with OVA+poly(I:C).
2022-11-02 | GSE198973 | GEO
Project description:This SuperSeries is composed of the SubSeries listed below.
2019-06-07 | GSE117947 | GEO
Project description:Human immune cell subsets develop in immunodeficient mice following reconstitution with human CD34+ haematopoietic stem cells. These “humanized” mice are useful models to study human immunology and human-tropic infections, autoimmunity and cancer. However, some human immune cell subsets are unable to fully develop or acquire full functional capacity due to a lack of cross-reactivity of many growth factors and cytokines between species. “Classical” (c) DC arise from a separate precursor to monocytes and initiate and direct T cell responses. In mice they can be further categorized into cDC1, which mediate Th1 and CD8+ T cell responses, and cDC2, which mediate Th2 and Th17 responses. The gene expression profiles and phenotype human CD141+ DC and CD1c+ DC subsets align with mouse cDC1 and cDC2 respectively but there are also key interspecies differences. Human CD141+ DC and CD1c+ DC develop in humanized mice but the extent to which they resemble their human blood counterparts is not yet known. We therefore analyzed the gene expression profiles of CD141+ DC and CD1c+ DC in humanized mice and demonstrated that they closely resemble those in human blood, making this an attractive model in which to study human DC in vitro or on vivo. We further used this model to explore changes in DC subsets after activation with TLR3 and TLR7/8 ligands, poly I:C and R848 in vivo. A core panel of genes consistent with DC maturation status were upregulated by both subsets. R848 specifically upregulated genes associated with Th17 responses by CD1c+ DC, whilst poly I:C upregulated IFN-λ genes specifically by CD141+ DC. Thus CD141+ DC and CD1c+ DC share a similar activation profiles in vivo but also have induce unique signatures that support specialized roles in CD8+ T cell priming and Th17 responses respectively. '
2017-09-22 | GSE99666 | GEO
Project description:Dendritic cells (DC) are antigen presenting cells controlling T cell activation. In human, the diversity, ontogeny and functional capabilities of DC subsets are not fully understood. Here, we identified circulating CD88-CD1c+CD163+ DC (termed as DC3) as an immediate precursor of inflammatory CD88-CD14+CD1c+CD163+FcεRI+ DC. DC3 develop via a specific pathway activated by GM-CSF, independent from the cDC-restricted (CDP) and monocyte-restricted (cMoP) progenitors. As classical DC, but unlike monocytes, DC3 drove the activation of naïve T cells. In vitro, DC3 displayed a distinctive ability to prime CD8+ T cells expressing a tissue-homing signature and the epithelial homing alpha-E integrin (CD103) through transforming growth factor-b (TGF-β) signaling. In vivo, DC3 infiltrated luminal breast cancer primary tumors and DC3 infiltration correlated positively with CD8+CD103+CD69+ tissue-resident memory T cells. Altogether, these findings define DC3 as a lineage of inflammatory DC endowed with a strong potential to regulate tumor immunity.
2020-05-23 | GSE151072 | GEO
Project description:Dendritic cells (DCs) uniquely direct the adaptive immune response towards activation or inhibition, yet little is known how these opposite programs are regulated at the transcriptional level. Here we applied genome-wide approaches to delineate the molecular function of DC-Specific transCRIPT (DC-SCRIPT/ZNF366), an 11 Zn finger-containing transcription factor potentiating DC-function by limiting IL-10 production. Transcriptome analysis identified DC-SCRIPT to affect expression of genes involved in MAPK signaling, and ChIP-Seq analysis showed binding of DC-SCRIPT to GA-rich enhancers nearby genes encoding MAPK Dual-Specificity Phosphatases (DUSPs). Functional studies demonstrated that DC-SCRIPT-knockdown DCs express much less DUSP4 and exhibit increased phosphorylation of all the three major MAPKs (ERK, JNK and p38). Enhanced ERK signaling in DC-SCRIPT-knockdown DCs led to higher production of the immune-inhibitory cytokine IL-10, which could be reverted by DUSP4 overexpression. These results delineate the molecular mechanism DC-SCRIPT employs to limit IL-10 production in DCs, thereby fine-tuning these professional antigen-presenting cells towards immune activation.
2018-06-19 | GSE78923 | GEO