Iron Homeostasis and Pulmonary Hypertension

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Iron homeostasis and pulmonary hypertension: iron deficiency leads to pulmonary vascular remodeling in the rat.

RATIONALE Iron deficiency without anemia is prevalent in patients with idiopathic pulmonary arterial hypertension and associated with reduced exercise capacity and survival. OBJECTIVES We hypothesized that iron deficiency is involved in the pathogenesis of pulmonary hypertension and iron replacement is a possible therapeutic strategy. METHODS AND RESULTS Rats were fed an iron-deficient diet...

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Pulmonary iron excess is deleterious and contributes to a range of chronic and acute inflammatory diseases. Optimal lung iron concentration is maintained through dynamic regulation of iron transport and storage proteins. The iron-regulatory hormone hepcidin is also expressed in the lung. In order to better understand the interactions between iron-associated molecules and the hepcidin-ferroporti...

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Thalassemia Associated Pulmonary Hypertension

Cardiac disease is the main cause of death in both forms of thalassemia; thalassemia major (TM) and thalassemia intermedia (TI). Pulmonary hypertension (PH) is one of the cardiopulmonary morbidities with high mortality that, if not treated, may trigger right-sided heart failure and premature death. PH is defined as a mean pulmonary artery pressure of ≥25 mmHg at rest or ≥30 mmHg during exercise...

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Evaluation of Pulmonary Hypertension In First Degree Relatives Of Patients With Primary Pulmonary Hypertension

Background: Pulmonary hypertension (PH) was defined for the first time in 1951 as primary pulmonary hypertension (PPH). Some studies emphasized on the role of genetics in the development of pulmonary hypertension in family members of affected patients. So, in this study we evaluated the prevalence of pulmonary hypertension in first degree family of patients with documented PPH. Methods: In thi...

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Chronic obstructive lung disease (COPD) is a chronic multisystem disease with a considerable burden. One of its most common complications is pulmonary artery hypertension (PAH). It has been demonstrated that the development of PAH is correlated with decreased quality of life and survival. Different medications have been proposed for the treatment of PAH, among which one can name statins. Howeve...

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ژورنال

عنوان ژورنال: Circulation Research

سال: 2015

ISSN: 0009-7330,1524-4571

DOI: 10.1161/circresaha.116.305265