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The Role of GPER in Sepsis-Induced Myocardial Cell Damage and 28-Day Mortality Risk

The Role of GPER in Sepsis-Induced Myocardial Cell Damage and 28-Day Mortality Risk
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摘要 Purpose: The role of GPER in sepsis-induced myocardial cell injury and its potential impact on the risk of death within 28 days in sepsis. Methods: An in vitro experiment was conducted to establish a sepsis-induced myocardial cell model. H9C2 myocardial cells were treated with 10 μg/ml lipopolysaccharide (LPS) for 24 hours. The effects of different concentrations of the GPER agonist G1 (1, 3, and 10 μmol/L) on cell viability, expression of inflammatory markers, cell apoptosis, and the NF-κB pathway were evaluated. A Mendelian randomization analysis was conducted using Single Nucleotide Polymorphism (SNPs) related to the GPER gene as instrumental variables to investigate the causal relationship between the GPER gene variations and sepsis (28-day death). Results: The results indicate that the group treated with LPS showed a significant decrease in myocardial cell viability, an increase in concentrations of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), higher apoptosis rates, and increased phosphorylation levels of NF-κB p65 (p-P65/P65) and IκB-α (p-IκB-α/IκB-α) compared to the control group (P κB pathway. However, genetic evidence did not show a causal relationship between GPER gene variations and sepsis (28-day death) (P κB pathway. However, genetic evidence did not show a causal relationship between GPER gene variations and sepsis (28-day death). Purpose: The role of GPER in sepsis-induced myocardial cell injury and its potential impact on the risk of death within 28 days in sepsis. Methods: An in vitro experiment was conducted to establish a sepsis-induced myocardial cell model. H9C2 myocardial cells were treated with 10 μg/ml lipopolysaccharide (LPS) for 24 hours. The effects of different concentrations of the GPER agonist G1 (1, 3, and 10 μmol/L) on cell viability, expression of inflammatory markers, cell apoptosis, and the NF-κB pathway were evaluated. A Mendelian randomization analysis was conducted using Single Nucleotide Polymorphism (SNPs) related to the GPER gene as instrumental variables to investigate the causal relationship between the GPER gene variations and sepsis (28-day death). Results: The results indicate that the group treated with LPS showed a significant decrease in myocardial cell viability, an increase in concentrations of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), higher apoptosis rates, and increased phosphorylation levels of NF-κB p65 (p-P65/P65) and IκB-α (p-IκB-α/IκB-α) compared to the control group (P κB pathway. However, genetic evidence did not show a causal relationship between GPER gene variations and sepsis (28-day death) (P κB pathway. However, genetic evidence did not show a causal relationship between GPER gene variations and sepsis (28-day death).
作者 Jiangfeng Tang Jiangqin Liu Jiangfeng Tang;Jiangqin Liu(Department of Cardiology, The First Affiliated Hospital, Jiangxi Medical College of Nanchang University, Nanchang, China;Department of Emergency, Gaoxin Branch of The First Affiliated Hospital, Jiangxi Medical College of Nanchang University, Nanchang, China)
出处 《Yangtze Medicine》 2024年第3期57-71,共15页 长江医药(英文)
关键词 G Protein-Coupled Estrogen Receptor Sepsis-Induced Cardiomyopathy Inflammation and Apoptosis Sepsis (28-Day death) Mendelian Randomization G Protein-Coupled Estrogen Receptor Sepsis-Induced Cardiomyopathy Inflammation and Apoptosis Sepsis (28-Day death) Mendelian Randomization
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