Macrocyclops albidus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1023184 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR26315114_1.fastq.gz | Fastqsanger.gz | |||
| SRR26315114_2.fastq.gz | Fastqsanger.gz | |||
| SRR26315115_1.fastq.gz | Fastqsanger.gz | |||
| SRR26315115_2.fastq.gz | Fastqsanger.gz | |||
| SRR26315116_1.fastq.gz | Fastqsanger.gz |
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Project description:Natural killer (NK) cells are leukocytes of the innate immune system and play a central role in the control of cancer metastases. NK cells and other innate immune cells often do not function well in patients with cancer and are also profoundly suppressed after cancer surgery. Dr. Auer’s Lab and others have shown that NK cells are critically important in the clearance of tumor metastases and that their impairment can be recovered with immune therapy augmenting the innate immune system. Several studies suggest that cancer patients have depressed NK cell cytotoxicity as compared to healthy controls but that following resection of the cancer, NK cell cytotoxicity returns to normal levels. In this observational study, the investigators will measure NK cell cytotoxicity by the gold standard method (51Cr, a chromium51 release assay) and by a new interferon-ɣ (IFN-ɣ) based assay (NK-Vue) in healthy humans and colorectal cancer (CRC) surgery patients seen a The Ottawa Hospital. The results of this study will determine if the NK-Vue is able to discriminate between healthy human volunteers and newly diagnosed cancer patients and is sufficiently sensitive to detect transient NK cell suppression immediately following surgery.
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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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Please refer to CC0 Public Domain Dedication for more information.
2024-09-02 | BIOMD0000000748 | BioModels
Project description:We previously found that the SF3A mRNA splicing complex was required for a robust innate immune response; SF3A acts in part by inhibiting the production of a negatively acting splice form of the TLR signaling adaptor MyD88. Here we inhibit SF3A1 using RNAi and subsequently perform an RNAseq study to identify the full complement of genes and splicing events regulated by SF3A in murine macrophages. Surprisingly, SF3A has substantial specificity for mRNA splicing events in innate immune signaling pathways compared to other pathways, affecting the splicing of many genes in the TLR signaling pathway to modulate the innate immune response. RNAseq was used to monitor the effects of SF3A1 siRNA-mediated knockdown in murine macrophages. Three biological replicates were used for each of the four treatment combinations (with/without siRNA, with/without LPS). The first replicates for each combination were each sequenced in two runs, which were combined in the analysis.
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Project description:A. Esteban Hernandez-Vargas & Michael Meyer-Hermann. Innate Immune System Dynamics to Influenza Virus. IFAC Proceedings Volumes 45, 18 (2012).
The understanding of how influenza virus infection activates the immune system is crucial to designing prophylactic and therapeutic strategies against the infection. Nevertheless, the immune response to influenza virus infection is complex and remains largely unknown. In this paper we focus in the innate immune response to influenza virus using a mathematical model, based on interferon-induced resistance to infection of respiratory epithelial cells and the clearance of infected cells by natural killers. Simulation results show the importance of IFN-I to prevent new infections in epithelial cells and to stop the viral explosion during the first two days after infection. Nevertheless, natural killers response might be the most relevant for the first depletion in viral load due to the elimination of infected cells. Based on the reproductive number, the innate immune response is important to control the infection, although it would not be enough to clear completely the virus. The effective coordination between innate and adaptive immune response is essential for the virus eradication.
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