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Evaluation of mouse laryngeal inflammation upon low and high dose cigarette smoke exposures via NanoString analysis

ABSTRACT: Evaluation of mouse laryngeal inflammation upon low and high dose cigarette smoke exposures via NanoString analysis

PROVIDER: PRJNA858111 | ENA |

REPOSITORIES: ENA

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Evaluation of mouse laryngeal inflammation upon low and high dose cigarette smoke exposures via NanoString analysis

Project description:Cigarette smoking is a major risk factor for laryngeal diseases. Despite well-documented cigarette smoke (CS) induced laryngeal histopathological changes in animal models and humans, the underlying immunopathological mechanisms remain largely unexplored. The goal of this study was to evaluate inflammatory and immune cell responses in a CS-exposed larynx. Specifically, we investigated these responses in the mouse larynx after a 4-week subacute low (LD) and high-dose (HD) whole-body mainstream CS exposure.

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Synergism of Iraqi Sand/Cigarette Smoke Co-Exposure in Rats

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Nanostring immune profiling of air and cigarette smoke exposed wildtype bone marrow hematopoietic cells and Nanostring immune profiling of air and cigarette smoke exposed bone marrow hematopoietic cells from mice containing Jak2V617F mutant cells

Project description:Extrinsic stressors must have a role in driving clonal hematopoiesis since only a fraction of individuals with clonal hematopoiesis of indeterminate potential (CHIP) develop hematologic malignancy. Smoking behavior is associated with CHIP, but the effects of cigarette smoke on hematopoietic stem cells (HSCs) are unknown. The exploding use of electronic (E)-cigarettes has led to significant concern on their health effects. In this project, we aimed to determine the impact of cigarette smoke on the frequency and numbers of HSCs and inflammatory gene expression changes in bone marrow hematopoietic cells using wildtype mice. We also determined if cigarette smoke drives clonal expansion in mosaic mice containing both wildtype and Jak2V617F mutant cells. We also performed gene expression profiling on the wildtype fraction of bone marrow hematopoietic cells from mosaic mice exposed to cigarette smoke or air to determine if the presence of mutant cells alters the signature of wildtype cells.

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mouse lung resistance or sensitivity to cigarette smoke

Project description:We have investigated the effects of cigarette smoke exposure in three different strains of mice. DBA/2 and C57Bl/6J are susceptible to smoke and develop different lung changes in response to chronic exposure, while ICR mice are resistant to smoke and do not develop emphysema. The present study was carried out to determine early changes in the gene expression profile of mice exposed to cigarette smoke with either a susceptible or resistant phenotype.

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