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Activation of TLR-like pathways in cDCs involving TRIF and the type I IFNs leads to a protective adaptive response against influenza infection

ABSTRACT: Activation of TLR-like pathways in cDCs involving TRIF and the type I IFNs leads to a protective adaptive response against influenza infection

PROVIDER: PRJNA807722 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18054280_1.fastq.gz	Fastqsanger.gz
	SRR18054280_2.fastq.gz	Fastqsanger.gz
	SRR18054281_1.fastq.gz	Fastqsanger.gz
	SRR18054281_2.fastq.gz	Fastqsanger.gz
	SRR18054282_1.fastq.gz	Fastqsanger.gz

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Activation of TLR-like pathways in cDCs involving TRIF and the type I IFNs leads to a protective adaptive response against influenza infection

Project description:Transcriptomic analyses of rASP-1-activated human blood cDCs revealed that rASP-1 induces upregulation of genes associated with DC maturation, type I IFN and type II IFN signaling involving the TLR4-TRIF transcript components. This transcriptome data in conjunction with the mouse in vitro and and in vivo data suggest the role of TRIF and type I IFNs as critical players in the mechanism of rASP-1 in eliciting a protective response against influenza infection.

2022-08-12 | GSE196923 | GEO

Transcription profiling of mouse LPS-stimulated macrophages from wild-type, MyD88-/- and TRIF-/- animals

Project description:Lipopolysaccharide (LPS), a Toll-like receptor (TLR) 4 ligand, activates intracellular signaling via adaptors, MyD88 and TRIF, leading to the expression of various genes including proinflammatory cytokines. We used microarrays to examine influence of MyD88 or TRIF deficiency in LPS-inducible gene expression. Experiment Overall Design: Peritoneal macrophages from wild-type, MyD88-/- and TRIF-/- mice were stimulated with LPS for 0, 1 and 4 hours, followed by RNA extraction. Then hybridization on affymetrix microarrays was performed.

2009-03-01 | E-GEOD-14890 | biostudies-arrayexpress

Expression data of LPS-stimulated macrophages from wild-type, MyD88-/- and TRIF-/- mice.

2009-02-19 | GSE14890 | GEO

Early transcriptional signature in murine cDCs post immunisation with VLPs containing TLR ligands

Project description:Early transcriptional signature in murine cDCs post immunisation with VLPs containing TLR ligands

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Macrophages from Rosa26-integrated Cas9-expressing C57BL/6 mice have a putative TRIF-mediated defect in the TLR-3/4 signaling

Project description:In this study, we report that the TLR4 ligand, LPS, and TLR3 ligand polyinosinic:polycytidylic acid failed to activate IRF3 or STAT1 in bone marrow–derived macrophages (BMMs) isolated from two independently generated lines of Rosa26-integrated Cas9-expressing C57BL/6J (B6) mice. RNA-sequencing analysis reveals that hundreds to thousands of genes including IFN-stimulated genes were differentially expressed in BMMs from these Cas9 strains compared with B6 upon LPS stimulation. Furthermore, the NF-kB signaling axis and TRIF-mediated necroptosis were also strongly reduced in response to LPS and polyinosinic:polycytidylic acid. In contrast, there were no defects in the responses of BMMs to ligands of the RIG-I, STING, TLR2, TLR9, and IFN receptors. Defects in TLR3 and TLR4 signaling were observed in mice with the B6 but not 129 background, and when Cas9 was integrated at the Rosa26 but not H11 locus. However, integration at the Rosa26 site, CAG promoter–driven Cas9 or eGFP were not individually sufficient to cause the defect. Taken together, the results of this study suggest a putative TRIF-mediated defect in TLR-3/4 signaling in BMMs from commercially available and widely used B6–Cas9–expressing mice. ImmunoHorizons, 2021, 5: 818–829.

2021-09-27 | GSE184551 | GEO

In vitro responses of PBMC and fibroblasts from patients with TRIF deficiency after TRIF dependent and independent stimuli

2011-10-20 | GSE32390 | GEO

In vitro responses of PBMC and fibroblasts from patients with TRIF deficiency after TRIF dependent and independent stimuli

Project description:We report here unrelated HSE patients with autosomal recessive (AR) or autosomal dominant (AD) TRIF deficiency. The AR form of the disease is due to a homozygous nonsense mutation, resulting in a complete absence of the TRIF protein. Both the TLR3 and the TRIF-dependent TLR4 signaling pathways are abolished. The AD form of TRIF deficiency is due to a heterozygous missense mutation resulting in a dysfunctional protein. The TLR3 signaling pathway is impaired, whereas the TRIF-dependent TLR4 pathway is unaffected. Both patients however showed reduced capacity to respond to cytosolic double stranded RNA, consistent with recent reports of TRIF’s involvement in the DExD/H-box helicases pathway. Skin fibroblast cell lines were derived from healthy controls (n=3), patient with deficiencies for TRIF (n=1), MYD88 (n=1), and TLR3 (n=1) and cultured for 4 hours in the presence of IL1B (20ng/ml) or poly I:C (25ng/ml) or left unstimulated for the same length of time. PBMCs (previously frozen) collected from a healthy control (n=1) and patients with deficiencies for TRIF (n=1), and MYD88 (n=1) were cultured together with LPS (10ng/ml) or R848 (3ug/ml) for 2hrs or left unstimulated for the same length of time.

2011-10-19 | E-GEOD-32390 | biostudies-arrayexpress

Extracellular vesicles (EV) from IFNγ-primed cardiosphere-derived cells (CDCs)

Project description:Characterization of proteins in extracellular vesicles (EV) from cardiosphere-derived cells (CDCs) of a clinically relevant pig model. Additionally, considering that priming stem cells with inflammatory stimuli may increase the therapeutic potential of released vesicles, here we studied the dynamic changes that take place in the EV from IFNγ-primed CDCs.

2020-05-15 | PXD016434 | Pride

ZBP1 and TRIF trigger lethal necroptosis in mice lacking caspase-8 and TNFR1

Project description:Necroptosis is a lytic form of cell death that is mediated by the kinase RIPK3 and the pseudokinase MLKL when caspase-8 is inhibited downstream of death receptors, toll-like receptor 3 (TLR3), TLR4, and the intracellular Z-form nucleic acid sensor ZBP1. Oligomerization and activation of RIPK3 is driven by interactions with the kinase RIPK1, the TLR adaptor TRIF, or ZBP1. In this study, we use immunohistochemistry (IHC) and in situ hybridization (ISH) assays to generate a tissue atlas characterizing RIPK1, RIPK3, Mlkl, and ZBP1 expression in mouse tissues. RIPK1, RIPK3, and Mlkl were co-expressed in most immune cell populations, endothelial cells, and many mucosal epithelia. ZBP1 was expressed in many immune populations, but had more variable expression in epithelia compared to RIPK1, RIPK3, and Mlkl. Intriguingly, expression of ZBP1 was elevated in Casp8-/- Tnfr1-/- embryos prior to their succumbing to aberrant necroptosis around embryonic day 15. ZBP1 contributed to this embryonic lethality because rare Casp8-/- Tnfr1-/- Zbp1-/- mice survived until after birth. Necroptosis mediated by TRIF contributed to the demise of Casp8-/- Tnfr1-/- Zbp1-/- pups in the perinatal period. Of note, Casp8-/- Tnfr1-/- Trif-/- Zbp1-/- mice exhibited autoinflammation and morbidity, typically within 5-7 weeks of being born, which is not seen in Casp8-/- Ripk1-/- Trif-/- Zbp1-/-, Casp8-/- Ripk3-/-, or Casp8-/- Mlkl-/- mice. Therefore, after birth, loss of caspase-8 probably unleashes RIPK1-dependent necroptosis driven by death receptors other than TNFR1.

2024-04-01 | GSE254754 | GEO

Single-cell RNA-seq reveals heterogeneity within human pre-cDCs

Project description:Here, we use a microfluidics-based approach to prepare single-cell RNA-Seq libraries from 164 primary human conventional dendritic cells (cDCs) as well as cord blood (452) and blood (341) pre-cDCs. We examined heterogeneity between individual cells to document potential subpopulations within human cDCs and pre-cDCs.

2016-11-15 | GSE89232 | GEO

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