Identification of mode of action for cell-based immunotherapy with ex-vivo expanded and activated autologous killer cells (AKCs) to recurrent glioblastoma (GBM) patients
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PROVIDER: PRJNA597998 | ENA |
REPOSITORIES: ENA
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Project description:The 12 recurrent GBM patients were participated. NanoString nCounter pancancer IO 360 panel (750 genes) assay was conducted with GBM patients tissue which was extracted at postoperative after recurrent event. The goal of this study was to extract significant genes which were associated with overall survival (OS) and durable response within AKC-treated recurrent GBM patients.
2020-12-31 | GSE142693 | GEO
Project description:This study aims to evaluate the safety and efficacy of activated and expanded autologous cytokine-killer cells in controlling disease recurrence in colon cancer patients with liver metastasis. 20 patients with confirmed stage IV colon carcinoma with metastasis will be assigned into two groups. Patients in both groups will receive the same therapeutic regimen as usual. Patients in one group additionally will be treated with a single infusion of autologous killer cells that had been previously prepared from peripheral blood.
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Project description:Natural Killer cells (NK), a major constituent of innate immune system, have the ability to kill the transformed and infected cells without prior sensitization; can be put to immunotherapeutic use against various malignancies. NK cells discriminate between normal cells and transformed cells via a balance of inhibitory and activating signals induced by interactions between NK cell receptors and target cell ligands. Present study investigates whether expansion of NK cells could augment their anti-myeloma (MM) activity. For NK cell expansion, peripheral blood mononuclear cells from healthy donors and myeloma patients were co-cultured with irradiated K562 cells transfected with 4-1BBL and membrane-bound IL15 (K562-mb15-41BBL). A genome-wide profiling approach was performed to identify gene expression signature in expanded NK (ENK) cells and non-expanded NK cells isolated from healthy donors and myeloma patients. A specific set of genes involved in proliferation, migration, adhesion, cytotoxicity, and activation were up regulated post expansion, also confirmed by flow cytometry. Exp-NK cells killed both allogeneic and autologous primary MM cells more avidly than non-exp-NK cells in vitro. Multiple receptors, particularly NKG2D, natural cytotoxicity receptors, and DNAM-1 contributed to target lysis, via a perforin mediated mechanism. In summary, vigorous expansion and high anti-MM activity both in vitro and in vivo provide the rationale for testing exp-NK cells in a clinical trial for high risk MM. Differential gene expression profile in expanded natural killer (ENK) cells and non-expanded natural killer (NK) cells from healthy donors and myeloma patients Eight healthy donor and eight myeloma patients were used in the study. Non-expanded natural killer (NK) cells were isolated from PBMCs of healthy donors and myeloma patients. Expanded natural killer (ENK) cells were generated from same set of samples as mentioned in expansion protocol. All ENK and NK cells were used for gene expression profiling.
2011-03-08 | E-GEOD-27838 | biostudies-arrayexpress
Project description:Praziquantel mode of action and resistance
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Project description:Natural Killer cells (NK), a major constituent of innate immune system, have the ability to kill the transformed and infected cells without prior sensitization; can be put to immunotherapeutic use against various malignancies. NK cells discriminate between normal cells and transformed cells via a balance of inhibitory and activating signals induced by interactions between NK cell receptors and target cell ligands. Present study investigates whether expansion of NK cells could augment their anti-myeloma (MM) activity. For NK cell expansion, peripheral blood mononuclear cells from healthy donors and myeloma patients were co-cultured with irradiated K562 cells transfected with 4-1BBL and membrane-bound IL15 (K562-mb15-41BBL). A genome-wide profiling approach was performed to identify gene expression signature in expanded NK (ENK) cells and non-expanded NK cells isolated from healthy donors and myeloma patients. A specific set of genes involved in proliferation, migration, adhesion, cytotoxicity, and activation were up regulated post expansion, also confirmed by flow cytometry. Exp-NK cells killed both allogeneic and autologous primary MM cells more avidly than non-exp-NK cells in vitro. Multiple receptors, particularly NKG2D, natural cytotoxicity receptors, and DNAM-1 contributed to target lysis, via a perforin mediated mechanism. In summary, vigorous expansion and high anti-MM activity both in vitro and in vivo provide the rationale for testing exp-NK cells in a clinical trial for high risk MM. Differential gene expression profile in expanded natural killer (ENK) cells and non-expanded natural killer (NK) cells from healthy donors and myeloma patients
2011-03-08 | GSE27838 | GEO
Project description:This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/The drug Praziquantel is the most commonly used drug for parasitic flatworms. It is currently being increasingly used in mass drug administration programmes, raising concerns over whether resistance will develop. Although widely used, its mode of action was until very recently uncertain. This study will investigate the praziquantel mode of action and resistance by sequencing the transcriptomes of Dugesia japonica and different stages and strains of S. mansoni.
2013-05-13 | E-ERAD-135 | biostudies-arrayexpress
Project description:Glioblastoma multiforme (GBM), a highly malignant and heterogeneous brain tumor, contains various types of tumor and non-tumor cells. Whether GBM cells can trans-differentiate into non-neural cell types, including mural cells or endothelial cells, to support tumor growth and invasion remains controversial. Here we generated two genetic GBM models de novo in immunocompetent mouse brains, mimicking essential pathological and molecular features of human GBMs. Single-cell RNA sequencing showed that patterns of copy-number variations (CNVs) of mural cells and endothelial cells were distinct from those of GBM cells, indicating discrete origins of GBM cells and vascular components. Furthermore, lineage tracing and transplantation studies demonstrated that, although blood vessels in GBM brains underwent drastic remodeling, GBM cells did not give rise to non-neural cell types in the brain. Intriguingly, GBM cells could randomly express mesenchymal markers, including those for mural cells, during gliomagenesis. Most importantly, single-cell CNV analysis of human GBM specimens also strongly suggested that GBM cells and vascular cells are separate lineages. Instead, non-neural cell types expanded by proliferation during tumorigenesis. Therefore, cross-lineage trans-differentiation of GBM cells is very unlikely to occur during gliomagenesis. Our findings advance understanding of cell lineage dynamics during gliomagenesis, and have implications for targeted treatment of GBMs.
2025-06-19 | GSE199595 | GEO
Project description:This SuperSeries is composed of the following subset Series: GSE21008: Linking toxicant physiological mode of action with induced gene expression changes in Caenorhabditis elegans: atrazine GSE21010: Linking toxicant physiological mode of action with induced gene expression changes in Caenorhabditis elegans: cadmium GSE21011: Linking toxicant physiological mode of action with induced gene expression changes in Caenorhabditis elegans: fluoranthene Refer to individual Series
2010-03-23 | E-GEOD-21012 | biostudies-arrayexpress
Project description:Alpha-mangostin (α-MG) is a natural xanthone reported to exhibit rapid bactericidal activity against Gram-positive bacteria, and may therefore have potential clinical application in healthcare sectors. This study sought to identify the antibacterial mode of action of α-MG against Staphylococcus epidermidis RP62A through RNA-sequencing technology.
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Project description:Two cell lines (HT55 and SW948) were found responsive to itraconazole treatment. To identify the mode of action cells were treated with itraconazole or control (DMSO) and then subjected to RNAseq analysis once the phenotype had developed
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