Reece P Stevens, Justin T Roberts, Wolfgang M Kuebler, Ji Young Lee, Karthik Suresh, Rebecca F Hough
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Bioenergetics and metabolism of the pulmonary endothelium. Scientific session I: ReSPIRE 2025.
Session I of the inaugural biennial Research Symposium on Pulmonary Injury and Repair of the Endothelium (ReSPIRE) highlighted recent advances in endothelial bioenergetics and metabolism and their role in pulmonary vascular diseases. Emerging evidence suggests that the maladaptation of metabolic pathways in the lung endothelium contributes to the progression of the acute respiratory distress syndrome (ARDS) and pulmonary arterial hypertension (PAH). The conference highlighted several new aspects of endothelial metabolism, including the use of alternative fuel sources such as fructose and fatty acids, inflammatory signaling mediated by mitochondrial depolarization, bioenergetic reprogramming through isoform switching of genes during hypoxia, and feedback regulation of metabolism by hypercapnia. Ultimately, these findings point to future research directions aimed at identifying mechanisms of dysregulated endothelial metabolism, which could serve as therapeutic targets for pulmonary vascular diseases.
期刊介绍:
The American Journal of Physiology-Lung Cellular and Molecular Physiology publishes original research covering the broad scope of molecular, cellular, and integrative aspects of normal and abnormal function of cells and components of the respiratory system. Areas of interest include conducting airways, pulmonary circulation, lung endothelial and epithelial cells, the pleura, neuroendocrine and immunologic cells in the lung, neural cells involved in control of breathing, and cells of the diaphragm and thoracic muscles. The processes to be covered in the Journal include gas-exchange, metabolic control at the cellular level, intracellular signaling, gene expression, genomics, macromolecules and their turnover, cell-cell and cell-matrix interactions, cell motility, secretory mechanisms, membrane function, surfactant, matrix components, mucus and lining materials, lung defenses, macrophage function, transport of salt, water and protein, development and differentiation of the respiratory system, and response to the environment.