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RNA sequencing analysis of NGFR ablation in both p53-positive and negative non-small-cell lung cancer cell lines

ABSTRACT: We report the gene expression profiles by NGFR knockdown in H460 and H1299 cell lines and reveal that NGFR ablation activates p53 target gene expression.

ORGANISM(S): Homo sapiens

PROVIDER: GSE79051 | GEO | 2016/06/10

SECONDARY ACCESSION(S): PRJNA314813

REPOSITORIES: GEO

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RNA sequencing analysis of NGFR ablation in both p53-positive and negative non-small-cell lung cancer cell lines

Project description:We report the gene expression profiles by NGFR knockdown in H460 and H1299 cell lines and reveal that NGFR ablation activates p53 target gene expression. We examined gene expression in two different non-small-cell lung cancer cell lines, one with wild-type p53 and the other without p53.

2016-06-10 | E-GEOD-79051 | biostudies-arrayexpress

NGFR regulates germinal center B-cell activation and negative selection

Project description:The expression of the Nerve growth factor receptor (NGFR) was described in follicular dendritic cells (FDCs), the major lymphoid stromal cell (LSC) compartment regulating B-cell activation within germinal centers (GCs). However, the role of NGFR in humoral response is not well defined. In this work, we have studied the effect of Ngfr KO in LNs organization and function. Ngfr KO led to spontaneous GC formation and expansion of GC B-cell compartment that were related on Ngfr depletion in non-hematopoietic radioresistant compartment. In agreement, Ngfr KO mice showed alterations in LSC with an increased frequency of FDCs harboring an activated phenotype characterized by the overexpression of CD21/35, MAdCAM-1, and VCAM-1. Moreover, Ngfr KO mice showed GC ectopic location, loss of polarization, impaired high-affinity antibody production, and increased circulating autoantibodies. In addition, Ngfr KO/Bcl2 Tg mice displayed increased levels of autoantibodies, higher incidence of autoimmunity, and decreased overall survival. Our work shows that NGFR maintains GC structure and functionality being involved in the regulation of antibody production and immune tolerance.

2023-12-13 | GSE236511 | GEO

Melanoma-derived small extracellular vesicles induce lymphangiogenesis and metastasis through a NGFR-dependent mechanism

Project description:Secreted extracellular vesicles are known to influence the tumor microenvironment and promote metastasis. In this work, we have analyzed the involvement of extracellular vesicles in the establishment of lymph node pre-metastatic niches by melanoma cells. We found that small extracellular vesicles (sEVs) derived from highly metastatic melanoma cell lines spread broadly through the lymphatic system and were taken up by lymphatic endothelial cells, reinforcing lymph node metastasis. Melanoma-derived sEVs induce lymphangiogenesis, a hallmark of pre-metastatic niche formation, in vitro and in lymphoreporter mice in vivo. We found that neural growth factor receptor (NGFR) is secreted in melanoma-derived small extracellular vesicles and shuttled to lymphatic endothelial cells, inducing lymphangiogenesis and tumor cell adhesion through the activation of ERK and NF-B pathways and ICAM1 expression. Importantly, ablation or inhibition of NGFR in sEVs reversed the lymphangiogenic phenotype, decreased melanoma lymph node metastasis and extended the survival. Importantly, analysis of NGFR expression in lymph node metastases and matched primary tumors shows that levels of MITF+NGFR+ lymph node metastatic cells are correlated with disease outcome. Our data support the idea that NGFR secreted in sEVs favors lymph node pre-metastatic niche formation and lymph node metastasis in melanoma

2021-08-05 | PXD024852 | Pride

Melanoma-derived small extracellular vesicles induce lymphangiogenesis and metastasis by a NGFR-dependent mechanism

Project description:Secreted extracellular vesicles are known to influence the tumor microenvironment and promote metastasis. In this work, we have analyzed the involvement of extracellular vesicles in establishing the lymph node pre-metastatic niche by melanoma cells. We found that small extracellular vesicles (sEVs) derived from highly metastatic melanoma cell lines spread broadly through the lymphatic system and are taken up by lymphatic endothelial cells reinforcing lymph node metastasis. Melanoma-derived sEVs induce lymphangiogenesis, a hallmark of pre-metastatic niche formation, in vitro and in lymphoreporter mice in vivo. Analysis of involved factors demonstrated that the neural growth factor receptor (NGFR) is secreted in melanoma-derived small extracellular vesicles and shuttled to lymphatic endothelial cells inducing lymphangiogenesis and tumor cell adhesion through the activation of ERK and NF-B pathways and ICAM1 expression. Importantly, ablation or inhibition of NGFR in sEVs reversed the lymphangiogenic phenotype, decreased melanoma lymph node metastasis and extended mice survival. Importantly, analysis of NGFR expression in lymph node metastases and matched primary tumors shows that levels of MITF+NGFR+ lymph node metastatic cells are correlated with disease outcome. Our data support that NGFR is secreted in sEVs favoring lymph node pre-metastatic niche formation and lymph node metastasis in melanoma.

2021-07-16 | PXD024108 | Pride

Expression data from H1299 and H460 lung cancer cell lines

Project description:To identify a set of genes related to radioresistance, we analyzed the time-series gene expression profiles of radioresistant H1299 and radiosensitive H460 lung cancer cells in response to 2 Gy of ionizing radiation (IR) by performing quadratic regression (QR) analysis. Out of the 21,331 genes, we selected 6,538 genes by QR analysis from the gene expression profile of H460 cells and 6,086 genes from that of H1299 cells. Most of the genes identified in the H460 cells were classified into continuously up- or down-regulated groups, while the major QR groups were transiently changed groups in the H1299 cell line. From gene ontology analysis of the major QR groups, the DNA damage response was commonly enriched in both cell lines. DNA repair-related genes such as ATM, ATR, TP53BP1, BRCA1, MRE11, NBN and RAD50 were particularly up-regulated in H1299 cells. Suppression of these DNA repair-related genes using siRNA made H1299 cells radiosensitive to ionizing radiation. The data suggest that differential responses to DNA damage confer radioresistance to cancer cells, and provide potential novel targets for sensitizing radiotherapy.

2010-02-27 | GSE20549 | GEO

Immune surveillance of brain metastatic cancer cells is mediated by IFITM1 (Proteins identified in the >100 kDa fraction of conditioned media from all four cell lines)

Project description:The protein(s) larger than 100 kDa in conditioned medium from lung cancer cell lines activated microglia. The >100 kDa fraction of conditioned medium from H460, H1299, H2030, or H292 cells was collected. Proteins present in the conditioned medium were analyzed by LC-MS/MS.

2023-02-17 | PXD038129 | Pride

Single-cell sequencing of mCherry/NGFR transduced cells from mouse hippocampus

Project description:Control mCherry virus (Lv13) and mouse mCherry NGFR virus (Lv16) were injected in the Wild Type mouse brain and at 3 dpi, the hippocampi of the mouse were dissected, dissociated, and mCherry positve cells were sorted by FACS for single-cell sequencing.

2023-09-12 | GSE189626 | GEO

Gene expression profiling associated with knockdown of RNF20 in human normal and malignant lung epithelial cell lines

Project description:The experiment was designed to display differential gene expression profiling in one lung epithelial cell BEAS2-B, and three lung cancer cell lines A549, H1299, H460 cells upon knockdown of RNF20, by using RNAseq technology.

2016-10-20 | GSE88943 | GEO

Gene Expression Profile In Presence of p53 alone, p47 alone, or both

Project description:H1299 cells (p53-/-) were transfected with plasmid constructs expressing p53 alone, p47 alone or both, and gene expression profile was probed

2016-11-02 | GSE74305 | GEO

Exosomes of p53 mutant H1299 cells

Project description:Proteome of exosomes purified from H1299-p53R273H (mutant) and H1299-p53-/- cells, which found the levels of Podocalyxin altered in p53-mutant cells.

2018-12-04 | PXD011241 | Pride

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