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Home > Health Conditions > Pulmonary Hypertension

Pulmonary Hypertension

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  • SIRT3-AMPK Activation by Nitrite and Metformin Improves Hyperglycemia and Normalizes Pulmonary Hypertension Associated with Heart Failure with Preserved Ejection Fraction (PH-HFpEF) - Circulation. 2016 Jan 26 - "These studies validate a rodent model of metabolic syndrome and PH-HFpEF, suggesting a potential role of nitrite and metformin as a preventative treatment for this disease" - See metformin at IAS.
  • Genistein, a Soy Phytoestrogen, Reverses Severe Pulmonary Hypertension and Prevents Right Heart Failure in Rats - Hypertension. 2012 Jul 2 - "PH was induced in male rats by 60 mg/kg of monocrotaline. After 21 days, when PH was well established, rats received daily injection of genistein (1 mg/kg per day) for 10 days or were left untreated to develop RHF by day 30. Effects of genistein on human pulmonary artery smooth muscle cell and endothelial cell proliferation and neonatal rat ventricular myocyte hypertrophy were assessed in vitro. Severe PH was evident 21 days after monocrotaline, as peak systolic right ventricular pressure increased to 66.35+/-1.03 mm Hg and right ventricular ejection fraction reduced to 41.99+/-1.27%. PH progressed to RHF by day 30 (right ventricular pressure, 72.41+/-1.87 mm Hg; RV ejection fraction, 29.25+/-0.88%), and mortality was ≈75% in RHF rats. Genistein therapy resulted in significant improvement in lung and heart function as right ventricular pressure was significantly reduced to 43.34+/-4.08 mm Hg and right ventricular ejection fraction was fully restored to 65.67+/-1.08% similar to control. Genistein reversed PH-induced pulmonary vascular remodeling in vivo and inhibited human pulmonary artery smooth muscle cell proliferation by ≈50% in vitro likely through estrogen receptor-β. Genistein also reversed right ventricular hypertrophy (right ventricular hypertrophy index, 0.35+/-0.029 versus 0.70+/-0.080 in RHF), inhibited neonatal rat ventricular myocyte hypertrophy, and restored PH-induced loss of capillaries in the right ventricle. These improvements in cardiopulmonary function and structure resulted in 100% survival by day 30. Genistein restored PH-induced downregulation of estrogen receptor-β expression in the right ventricle and lung. In conclusion, genistein therapy not only rescues preexisting severe PH but also prevents the progression of severe PH to RHF" - See genistein at Amazon.com.
  • Resveratrol Prevents Monocrotaline-Induced Pulmonary Hypertension in Rats - Hypertension. 2009 Jul 13 - "Pulmonary hypertension was associated with an upregulation of NAD(P)H oxidase in small pulmonary arteries, which was significantly attenuated by resveratrol treatment. Our studies show that resveratrol exerts anti-inflammatory, antioxidant, and antiproliferative effects in the pulmonary arteries, which may contribute to the prevention of pulmonary hypertension" - See resveratrol products at Amazon.com.
  • Can 2 Garlic Cloves a Day Keep the Doc Away? - WebMD, 4/4/05 - "Ku's team recently found that allicin -- a compound found in garlic -- prevents a mild form of pulmonary hypertension in rats. Now they find that the garlic compound prevents a much more severe form of pulmonary hypertension in rats"

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