BadImm
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ABSTRACT:
PROVIDER: PRJEB19946 | ENA |
REPOSITORIES: ENA
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Project description:The paper describes a model on the key components for tumor–immune dynamics in multiple myeloma.
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This model is described in the article:
The Role of the Innate Immune System in Oncolytic Virotherapy
Tuan Anh Phan and Jianjun Paul Tian
Computational and Mathematical Methods in Medicine (2017) 6587258
Abstract:
The complexity of the immune responses is a major challenge in current virotherapy. This study incorporates the innate immune response into our basic model for virotherapy and investigates how the innate immunity affects the outcome of virotherapy. The viral therapeutic dynamics is largely determined by the viral burst size, relative innate immune killing rate, and relative innate immunity decay rate. The innate immunity may complicate virotherapy in the way of creating more equilibria when the viral burst size is not too big, while the dynamics is similar to the system without innate immunity when the viral burst size is big.
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2024-09-02 | BIOMD0000000748 | BioModels
Project description:Monocyte differentiation into macrophages represents one of the cornerstone processes in innate host defense. In addition, immunological imprinting of either tolerance or trained immunity after an initial infection determines the functional fate of innate immune cells and the susceptibility of the host to secondary infections. Here we comprehensively characterize the epigenetic profiles of these functional states relative to healthy adult naM-CM-/ve monocytes. Inflammatory and metabolic pathways are strongly modulated in the derived macrophages, including decreased activation of inflammasome components. The cAMP-dependent signaling pathway is remodeled and adrenergic signaling was functionally implicated in trained innate immunity induction in vivo. Interestingly, M-oM-^AM-"-Glucan trains innate immune cells through extensive remodeling of distal regulatory region-bound histone acetylation, resulting in a sizeable exclusive epigenomic signature. Accordingly, genome-wide transcription factor footprint analysis reveals a specific transcription factor repertoire at trained cell-specific enhancers when recouped with epigenetic data, forming a rich hypothesis generator to manipulate innate immunity. Monocytes were pre-incubated either with cell culture medium (RPMI), M-NM-2-glucan (5M-BM-5g/mL) or with LPS (100ng/mL), for 24 hours in a total volume of 10 mL. After a wash-out, cells were cultured in RPMI supplemented with 10% human pool serum. Monocytes were collected at different time points (0 h and 6 d after treatment) and counted before further treatment for chromatin immunoprecipitation, RNA or DNaseI treatment. Different donor Buffycoats (BC) were used as independent replicates. Replicates were generated for all the profiles including ChIPseq,RNAseq and DNaseIseq.
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Project description:FT500 is an off-the-shelf, iPSC-derived NK cell product that can bridge innate and adaptive immunity, and has the potential to overcome multiple mechanisms of immune checkpoint inhibitor (ICI) resistance. The preclinical data provide compelling evidence supporting the clinical investigation of FT500 as monotherapy and in combination with ICI in participants with advanced solid tumors.
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Project description:<p>Healthy behavioral patterns could modulate organ functions to enhance the body’s immunity. However, whether exercise regulates antiviral innate immunity remains elusive. Here, we found that exercise promotes type-I IFN (IFN-I) production in the liver and enhances IFN-I immune activity of the body. Despite the possibility that many exercise-induced factors could regulate IFN-I production, we identified Gpld1 as a crucial molecule and the liver as the major organ to promote IFN-I production after exercise. Exercise largely loses the efficiency to induce IFN-I in Gpld1-/- mice. Further studies demonstrated that exercise-produced 3-hydroxybutanoic acid (3-HB) critically induces Gpld1 expression in the liver. Gpld1 blocks the PP2A-IRF3 interaction and therefore enhances IRF3 activation and IFN-I production, and improves the body’s antiviral ability. This study reveals that the exercise behavior improves antiviral innate immunity by linking the liver metabolism to systemic IFN-I activity, and uncovers an unknown function of liver cells in innate immunity.</p>
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Project description:Microbe associated molecular pattern (MAMP)-triggered immunity (MTI) is an important component of the plant innate immunity response to invading pathogens. Although several MTI responses can be measured in different plant species, their magnitude is likely plant-species specific and even cultivar specific. In this work, we show that the variation in gene expression, either under untreated or treated conditions, is inherited. In addition, genes with potential additive and non-additive effects were identified in two mapping lines, several of these with a potential function in the control of the innate immunity. Likewise, we observed that some genes differentially expressed across the parental and mapping lines showed different DNA methylation patterns. Finally, a gene regulatory module analysis identified key networks that likely control soybean innate immunity. The data presented represent the basis for further functional analysis that can lead to a better understanding of the soybean innate immunity response. RNA-Seq data collected from Glycine max leaves treated with MAMPs of two parental lines of a RIL population and two individual RILs.
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Project description:Pdm1/nub repression of innate immunity
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Project description:The innate immune system plays an essential role in regulating the immune responses to kidney transplantation, but the mechanisms through which innate immune cells influence long-term graft survival are unclear. The current study highlights the vital role of trained immunity in kidney allograft survival. Trained immunity describes the epigenetic and metabolic changes that innate immune cells undergo following an initial stimulus, allowing them have a stronger inflammatory response to subsequent stimuli. We stimulated healthy peripheral blood mononuclear cells with pretransplant and posttransplant serum of kidney transplant patients and immunosuppressive drugs in an in vitro trained immunity assay and measured tumor necrosis factor and interleukin 6 cytokine levels in the supernatant as a readout for trained immunity. We show that the serum of kidney transplant recipients collected 1 week after transplantation can suppress trained immunity. Importantly, we found that kidney transplant recipients whose serum most strongly suppressed trained immunity rarely experienced graft loss. This suppressive effect of posttransplant serum is likely mediated by previously unreported effects of immunosuppressive drugs. Our findings provide mechanistic insights into the role of innate immunity in kidney allograft survival, uncovering trained immunity as a potential therapeutic target for improving graft survival.
2024-11-04 | GSE280903 | GEO