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9 human epithelial cell transcriptome sequencing analysis

ABSTRACT: We report the study of the mechanism of action of Porphyromonas gingivalis on human oral epithelial cells based on high-throughput sequencing technology. By acting Porphyromonas gingivalis and its metabolites on human oral epithelial cells separately, the mechanism of Porphyromonas gingivalis evading immune surveillance and causing local and deep tissue diffusion to induce systemic diseases was studied. This study provides a framework for studying the pathogenic mechanism of Porphyromonas gingivalis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE192887 | GEO | 2023/02/21

REPOSITORIES: GEO

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Project description:Mazumdar2008 - Genome-scale metabolic network of Porphyromonas gingivalis (iVM679) This model is described in the article: Metabolic network model of a human oral pathogen. Mazumdar V, Snitkin ES, Amar S, Segrè D. J. Bacteriol. 2009 Jan; 191(1): 74-90 Abstract: The microbial community present in the human mouth is engaged in a complex network of diverse metabolic activities. In addition to serving as energy and building-block sources, metabolites are key players in interspecies and host-pathogen interactions. Metabolites are also implicated in triggering the local inflammatory response, which can affect systemic conditions such as atherosclerosis, obesity, and diabetes. While the genome of several oral pathogens has been sequenced, quantitative understanding of the metabolic functions of any oral pathogen at the system level has not been explored yet. Here we pursue the computational construction and analysis of the genome-scale metabolic network of Porphyromonas gingivalis, a gram-negative anaerobe that is endemic in the human population and largely responsible for adult periodontitis. Integrating information from the genome, online databases, and literature screening, we built a stoichiometric model that encompasses 679 metabolic reactions. By using flux balance approaches and automated network visualization, we analyze the growth capacity under amino-acid-rich medium and provide evidence that amino acid preference and cytotoxic by-product secretion rates are suitably reproduced by the model. To provide further insight into the basic metabolic functions of P. gingivalis and suggest potential drug targets, we study systematically how the network responds to any reaction knockout. We focus specifically on the lipopolysaccharide biosynthesis pathway and identify eight putative targets, one of which has been recently verified experimentally. The current model, which is amenable to further experimental testing and refinements, could prove useful in evaluating the oral microbiome dynamics and in the development of novel biomedical applications. This model is hosted on BioModels Database and identified by: MODEL1507180038. To cite BioModels Database, please use: BioModels Database: An enhanced, curated and annotated resource for published quantitative kinetic models. To the extent possible under law, all copyright and related or neighbouring rights to this encoded model have been dedicated to the public domain worldwide. Please refer to CC0 Public Domain Dedication for more information.

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9 human epithelial cell transcriptome sequencing analysis

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