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STAT6 deficiency mitigates the severity of pulmonary arterial hypertension caused by chronic intermittent hypoxia by suppressing Th2-inducing cytokines.
Respir Res
January 2025
Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
Background: Obstructive sleep apnea (OSA) is frequently associated with increased incidence and mortality of pulmonary hypertension (PH). The immune response contributes to pulmonary artery remodeling and OSA-related diseases. The immunologic factors linked to OSA-induced PH are not well understood.
View Article and Find Full Text PDF[Bioinformatics and animal experiments reveal mechanism of Linggui Zhugan Decoction in ameliorating chronic heart failure after myocardial infarction via HIF-1α/HO-1 signaling pathway].
Zhongguo Zhong Yao Za Zhi
December 2024
School of Integrated Chinese Medicine and Western Medicine, Anhui University of Chinese Medicine Hefei 230012, China Anhui Province Key Laboratory of Chinese Medicinal Formula Hefei 230012, China.
This study aims to investigate the effect of Linggui Zhugan Decoction(LGZGD) on autophagy in the mouse model of chronic heart failure(CHF) induced by myocardial infarction(MI), as well as the regulatory effect of LGZGD on the hypoxia-inducible factor-1α(HIF-1α)/heme oxygenase-1(HO-1) signaling pathway, based on bioinformatics and animal experiments. The active ingredients and corresponding targets of LGZGD were retrieved from the Traditional Chinese Medicine Systems Pharmacology and Analysis Database, and GEO, GeneCards, and DisGeNET were searched for the disease targets. Cytoscape was used to establish a "drug-component-target" network.
View Article and Find Full Text PDFChronic exposure to high altitudes causes pathophysiological cardiac changes that are characterized by cardiac dysfunction, cardiac hypertrophy, and decreased energy reserves. However, finding specific pharmacological interventions for these pathophysiological changes is challenging. In this study, we identified tetramethylpyrazine (TMP) as a promising drug candidate for cardiac dysfunction caused by simulated high-altitude exposure.
View Article and Find Full Text PDFPrevalence and Risk Factors of Cognitive Impairment in COPD: A Systematic Review and Meta-Analysis.
Public Health Nurs
January 2025
Department of Gastrointestinal Surgery, Peking University Shenzhen Hospital, Shenzhen, China.
Aim: The aim of this systematic review is to present the pooled estimated prevalence and risk factors for cognitive impairment (CI) in patients with chronic obstructive pulmonary disease (COPD).
Background: Patients with COPD suffer from progressive and irreversible airflow limitation, resulting in continuous impairment of lung function, which in addition to causing lesions in the lungs, often accrues to other organs as well. In recent years, a growing number of cross-sectional and longitudinal studies have shown that hypoxia is an important factor in causing CI and that there is an important link between them, but the assessment of co-morbid neurocognitive impairment and dysfunction is often overlooked.
The pentose phosphate pathway controls oxidative protein folding and prevents ferroptosis in chondrocytes.
Nat Metab
January 2025
Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.
Bone lengthening and fracture repair depend on the anabolic properties of chondrocytes that function in an avascular milieu. The limited supply of oxygen and nutrients calls into question how biosynthesis and redox homeostasis are guaranteed. Here we show that glucose metabolism by the pentose phosphate pathway (PPP) is essential for endochondral ossification.
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