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Reply: Relevance of the PP2A Pathway in the Molecular Mechanisms of Chronic Obstructive Pulmonary Disease.

ABSTRACT:

SUBMITTER: Nath S

PROVIDER: S-EPMC7195696 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Chronic obstructive pulmonary disease

Project description:Diaphragm muscles in Chronic Obstructive Pulmonary Disease (COPD) patients undergo an adaptive fast to slow transformation that includes cellular adaptations. This project studies the signaling mechanisms responsible for this transformation. Keywords: other

2003-07-16 | GSE475 | GEO

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Project description:The general strategy and rationale underlying the design of COPD therapeutics that possess protease inhibitory activity and are also capable of releasing a species that attenuates inflammation by inhibiting caspase-1, are described. The synthesis and in vitro biochemical evaluation of a dual function molecule that sequentially inhibits HNE and caspase-1 in a time-dependent manner is reported.

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Expression analysis of stable chronic obstructive pulmonary disease and acute exacerbation of chronic obstructive pulmonary disease

Project description:Investigation of whole genome gene expression level changes of the dynamic gene profiling of peripheral blood mononuclear cells (PBMCs) from patients with AECOPD) on day1, 3 and 10, compared to the normal people and stable COPD patients. A five chip study using total RNA recovered from Peripheral Blood Mononuclear Cell of Peripheral Blood.Evaluating the dynamic gene profiling of peripheral blood mononuclear cells (PBMCs) from patients with AECOPD) on day1, 3 and 10 after the hospital admission, to compared with healthy controls or patients with stable COPD. Slides were scanned at 5 μm/pixel resolution using an Axon GenePix 4000B scanner (Molecular Devices Corporation) piloted by GenePix Pro 6.0 software (Axon). Scanned images (TIFF format) were then imported into NimbleScan software (version 2.5) for grid alignment and expression data analysis. Expression data were normalized through quantile normalization and the Robust Multichip Average (RMA) algorithm included in the NimbleScan software. The Probe level (*_norm_RMA.pair) files and Gene level (*_RMA.calls) files were generated after normalization.

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Reply to Polverino: Deconvoluting Chronic Obstructive Pulmonary Disease: Are B Cells the Frontrunners?

Project description: Not available

| S-EPMC6515872 | biostudies-literature

Chronic obstructive pulmonary disease (COPD)

Project description:Chronic obstructive pulmonary disease (COPD) Metagenome

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Expression analysis of stable chronic obstructive pulmonary disease and acute exacerbation of chronic obstructive pulmonary disease

2014-08-14 | GSE60399 | GEO

Common Mechanisms Linking Chronic Obstructive Pulmonary Disease and Lung Cancer.

Project description:Chronic obstructive pulmonary disease (COPD) and lung cancer are linked diseases, with both the incidence of and risk of death from non-small cell lung cancer being increased by the presence of COPD. Despite numerous well-performed epidemiological studies having described this link over the past 30 years, the operative mechanisms remain elusive. One of the major obstacles to advancement in the field has been the lack of patient cohorts that have been phenotyped for both COPD and lung cancer. This review discusses several studies performed over the past few years highlighting the impact of COPD on the outcomes of patients with non-small cell lung cancer with respect to lung cancer screening, immune-based therapies, and lung cancer chemoprevention.

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Reply to Mahler: Peak Inspiratory Flow Rate: An Emerging Biomarker in Chronic Obstructive Pulmonary Disease.

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Reply to Vozoris: Opioids for Dyspnea in Chronic Obstructive Pulmonary Disease: Short on the Details.

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From comorbidities of chronic obstructive pulmonary disease to identification of shared molecular mechanisms by data integration.

Project description:BackgroundDeep mining of healthcare data has provided maps of comorbidity relationships between diseases. In parallel, integrative multi-omics investigations have generated high-resolution molecular maps of putative relevance for understanding disease initiation and progression. Yet, it is unclear how to advance an observation of comorbidity relations (one disease to others) to a molecular understanding of the driver processes and associated biomarkers.ResultsSince Chronic Obstructive Pulmonary disease (COPD) has emerged as a central hub in temporal comorbidity networks, we developed a systematic integrative data-driven framework to identify shared disease-associated genes and pathways, as a proxy for the underlying generative mechanisms inducing comorbidity. We integrated records from approximately 13 M patients from the Medicare database with disease-gene maps that we derived from several resources including a semantic-derived knowledge-base. Using rank-based statistics we not only recovered known comorbidities but also discovered a novel association between COPD and digestive diseases. Furthermore, our analysis provides the first set of COPD co-morbidity candidate biomarkers, including IL15, TNF and JUP, and characterizes their association to aging and life-style conditions, such as smoking and physical activity.ConclusionsThe developed framework provides novel insights in COPD and especially COPD co-morbidity associated mechanisms. The methodology could be used to discover and decipher the molecular underpinning of other comorbidity relationships and furthermore, allow the identification of candidate co-morbidity biomarkers.

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