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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Myeloid cell RelA/p65 promotes lung cancer proliferation

ABSTRACT: Smoking is the most important risk factor for both lung cancer (LC) and chronic obstructive pulmonary disease (COPD). The aim of this study was to investigate the role of myeloid cell NF-kB in the regulation of tumor cell growth signaling. We subjected mice lacking myeloid RelA/p65 to a metastatic LC model. Cigarette smoke (CS) exposure significantly increased the proliferation of Lewis lung carcinoma cell (LLC) tumors in wild type mice. In CS exposed mice lacking myeloid RelA/p65, the tumor growth was largely inhibited. Transcriptome and pathway analysis of cancer tissue revealed a fundamental impact of myeloid cells on various growth signaling pathways. Myeloid RelA/p65 is necessary to link smoke-induced inflammation with LC growth. Keywords: Expression profiling by array Analysis of gene expression in lewis lung carcinoma cells resected from lungs of WT and RelA/p65 deficient mice exposed to smoke or air. Four different samples were analyzed (3 replicates each).

ORGANISM(S): Mus musculus

SUBMITTER: Christoph Beisswenger

PROVIDER: E-GEOD-36568 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Myeloid cell RelA/p65 promotes lung cancer proliferation

Project description:Smoking is the most important risk factor for both lung cancer (LC) and chronic obstructive pulmonary disease (COPD). The aim of this study was to investigate the role of myeloid cell NF-kB in the regulation of tumor cell growth signaling. We subjected mice lacking myeloid RelA/p65 to a metastatic LC model. Cigarette smoke (CS) exposure significantly increased the proliferation of Lewis lung carcinoma cell (LLC) tumors in wild type mice. In CS exposed mice lacking myeloid RelA/p65, the tumor growth was largely inhibited. Transcriptome and pathway analysis of cancer tissue revealed a fundamental impact of myeloid cells on various growth signaling pathways. Myeloid RelA/p65 is necessary to link smoke-induced inflammation with LC growth. Keywords: Expression profiling by array

2012-04-01 | GSE36568 | GEO

Mus musculus

Project description:Myeloid cell RelA/p65 promotes lung cancer proliferation

| PRJNA153725 | ENA

Gene expression analysis of lung cancer cells in the presence of lung fibrosis

Project description:To investigate the interaction between lung cancer cell and lung fibrosis in vivo, gene expression analysis was performed using orthotopic tumor bearing animal model with C57BL/6 mice and Lewis Lung Carcinoma cells (LC model) and LC model with bleomycin-induced lung fibrosis (IP+LC model).

2023-03-08 | GSE226270 | GEO

Comparison analysis of 2 week old C57BL6J lung exposed to 2 weeks of cigarette smoke compared to age-matched controls

2008-01-01 | GSE7310 | GEO

Label free DIA proteomic analysis of thoracic lymph from cigarette smoke (CS)-exposed mice

Project description:The lymphatic vasculature is critical for lung function, but defects in lymphatic functionin the pathogenesis of lung disease is understudied. To further assess the contribution of lymphatics to the pathogenesis of lung emphysema we used a mouse model of cigarette smoke (CS)-induced emphysema, and analyzed lung lymphatics using immunohistochemistry, functional assays, and confocal microscopy. Additionally, we further harvested thoracic lymph from CS-exposed mice for proteomic analysis. In this presented section of our research, we highlight the label free quantitative DIA proteomics approaches used to profile the proteomic and peptidomics changes in the lymph from cigarette smoke (CS)-mice as compared with the lymph proteome from mice exposed to room air. Label free quantitative DIA proteomics analysis of lymph confirmed upregulation of coagulation and inflammatory pathways in the lymphatics of CS-exposed mice compared to control mice.

2022-05-10 | PXD031413 | Pride

Fibroblast growth factor (FGF) 10 is essential for lung morphogenesis

Project description:Fibroblast growth factor (FGF) 10 is essential for lung morphogenesis and polymorphisms in the Fgf10 region are linked with higher susceptibility towards COPD in human patients. We found that FGF10 signaling is impaired in lung septal wall compartment from COPD patients. Mice with impaired FGF10 signaling (Fgf10+/-) were more prone to develop cigarette smoke (CS)-induced emphysema and pulmonary hypertension (PH). Furthermore, FGF10 overexpression could successfully reverse cigarette smoke-induced emphysema and PH in mice.

2024-04-01 | GSE230854 | GEO

Angiotensin receptor blockade attenuates cigarette smoke-induced lung injury and rescues lung architecture in a murine model

Project description:TGFβ inhibition attenuates chronic cigarette smoke induced lung injury and rescues lung architecture. AKR/J mice were exposed to Cigarette Smoke (CS) for a period of two months. Some animals received a treatment of Losartan (.6gr/L) orally while exposed (CS Los). These two groups are to be compared to animals that remained in Room Air (RA) and Room Air plus Losartan(0.6g/L) (RA Los) for any changes.

2011-12-30 | E-GEOD-33561 | biostudies-arrayexpress

Multi-omics systems toxicology study of mouse lung assessing the effects of aerosols from two heat-not-burn tobacco products and cigarette smoke

Project description:Cigarette smoke (CS) causes adverse health effects and leads to the development of respiratory disease (chronic obstructive pulmonary disease), cardiovascular disease, and cancer. To reduce the risk of smokers developing smoking-related diseases, Philip Morris International is developing modified risk tobacco products (MRTP). Within a systems toxicology study, we conducted an integrative multi-omics analysis to assess the effects of aerosols from two potential MRTPs - the Carbon Heated Tobacco Product (CHTP) 1.2 and the Tobacco Heating System (THS) 1.2 -, compared with cigarette smoke (CS) at matched nicotine concentrations, on the lung of ApoE-/- mice. Mice were exposed for up to six months and molecular exposure effects were measured by mRNA/miRNA transcriptomics, proteomics, metabolomics, and lipidomics. In addition, the impact of cessation (CESS) or switching to CHTP 1.2 (SWITCH) after three months of CS exposure was evaluated. This data set represents the lung metabolomics data obtained after 3 and 6 months of exposure. The 'Animal ID' or 'CAN' represents the unique animal identifier and allows matching of samples across the different data modalities.

2020-04-25 | MTBLS158 | MetaboLights

Transcription profiling of mouse C57BL6J lung exposed to 2 weeks of cigarette smoke compared to age-matched controls

Project description:We hypothesize that gene expression in the cigarette smoke (CS) exposed neonatal lung and age-matched controls will be divergent. CS exposed lung will have divergence of immune response genes and structural genes. The lungs of (6) 2 week old neonatal mice exposed to 2 weeks of CS were compared to the lung of (4) 2 week old age-matched control mice. We utilized microarray analysis to examine transcriptional differences between smoke exposed neonatal lung and age-matched controls. Experiment Overall Design: This study utilizes microarray analysis to test these hypotheses. Six sets of lungs were harvested from CS exposed mice and four sets of lungs were harvested from age-matched control mice. RNA was isolated and used for global gene expression profiling (Affymetrix Mouse 430 2.0 array). Statistically significant gene expression was determined as a minimum 6 counts of 9 pairwise comparisons, minimum 1.5-fold change, and p < 0.05. Further, Absolute | FC - FC SEM | >= 1.5.

2008-06-15 | E-GEOD-7310 | biostudies-arrayexpress

Cigarette smoke-induced iBALT mediates macrophage activation in a B cell-dependent manner in COPD

Project description:Chronic obstructive pulmonary disease (COPD) is characterized by a progressive decline in lung function, caused by exposure to exogenous particles, mainly cigarette smoke (CS). COPD pathogenesis is initiated and perpetuated by an abnormal CS-induced inflammatory response of the lungs, involving both innate and adaptive immunity. Specifically, B cells organized in iBALT structures, as well as macrophages, accumulate in the lungs and contribute to CS-induced emphysema, but the mechanisms thereof remain unclear. Here, we demonstrate that B cell-deficient mice are significantly protected against CS-induced emphysema. Chronic CS exposure led to increased lung compliance, total lung capacity, and mean linear chord length in WT, but not B cell-deficient mice, associated with an increased size and number of iBALT structures. The increased accumulation of macrophages around iBALT and in emphysematous alveolar areas in CS-exposed WT mice coincided with upregulated MMP12 expression. In vitro co-culture experiments using B cells and macrophages demonstrated that B cell-derived IL-10 drives macrophage activation and MMP12 upregulation. In summary, B cell function in iBALT formation in CS-induced emphysema provides a new innovative mechanism, which could be explored as a target for therapeutic intervention in COPD patients. Expression data of mice treated with cigarette smoke. Lung tissue was analysed at four and six months of age.

2014-12-04 | E-GEOD-52509 | biostudies-arrayexpress

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