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Olfactory receptors in pulmonary arterial hypertension: A novel pathway of vascular remodeling?
Pulmonary arterial hypertension (PAH) is due to progressive obstruction of pulmonary arteries, thus leading to right heart failure and death. Breath volatile organic compounds (VOCs) can discriminate PAH and controls. Thus, a unique breath-print of PAH is detected using an artificial nose. VOCs target olfactory receptors (ORs) in olfaction. Interestingly, ORs are detected in peripheral tissues not related to olfaction and their deregulation is associated to cancer development. PSGR, encoded by the OR51E2 gene, is one of the ORs. Because vascular cells in PAH exhibit properties of cancer cells, we propose the ground-breakin...
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Courboulin, A., Sanz, G., Breuils-Bonnet, S., Quatredeniers, M., Vocelle, M., Lafond, M., Perros, F., Bonnet, S., Pajot-Augy, E., Humbert, M., Cohen-Kaminsky, S. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research