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Quantifying Pulmonary Microvascular Density in Mice Across Lobules.
J Vis Exp
January 2025
Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University;
The abnormal alternation of pulmonary angiogenesis is related to lung microvascular dysfunction and is deeply linked to vascular wall integrity, blood flow regulation, and gas exchange. In murine models, lung lobes exhibit significant differences in size, shape, location, and vascularization, yet existing methods lack consideration for these variations when quantifying microvascular density. This limitation hinders the comprehensive study of lung microvascular dysfunction and the potential remodeling of microvasculature circulation across different lobules.
View Article and Find Full Text PDFIn patients with chronic thromboembolic pulmonary hypertension (CTEPH) who undergo balloon pulmonary angioplasty (BPA), pretreatment with PH-targeted medical therapy may be beneficial to improve clinical parameters and pulmonary hemodynamics. This study aims to describe clinical results of PH-targeted therapy prior to BPA. All consecutive patients with CTEPH who underwent BPA treatment were selected from our CTEPH database.
View Article and Find Full Text PDFExploring Integrin α5β1 as a Potential Therapeutic Target for Pulmonary Arterial Hypertension: Insights From Comprehensive Multicenter Preclinical Studies.
Circulation
January 2025
Pulmonary Hypertension Research Group, Québec Heart and Lung Institute Research Center, Quebec City, QC, Canada (S.-E.L., Y.G., T.Y., T.S., M.M., C.R., M.S., S.B.-B., A.B., C.T., A.P., R.E.K., S.M., K.Y., F.P., S.P., O.B., S.B.).
Background: Pulmonary arterial hypertension (PAH) is characterized by obliterative vascular remodeling of the small pulmonary arteries (PAs) and progressive increase in pulmonary vascular resistance leading to right ventricular failure. Although several drugs are approved for the treatment of PAH, mortality rates remain high. Accumulating evidence supports a pathological function of integrins in vessel remodeling, which are gaining renewed interest as drug targets.
View Article and Find Full Text PDFMidterm Outcomes of Endovascular Pulmonary Artery Debanding in Children.
Catheter Cardiovasc Interv
January 2025
Department of Pediatric Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University, Beirut, Lebanon.
Background: Pulmonary artery banding (PAB) palliates pulmonary over-circulation, while endovascular debanding (ED) offers a less invasive alternative to repeat surgery.
Objectives: To evaluate our experience with ED.
Aims: Retrospective review of single-center data (2015-2023) on children with single, multiple, or "Swiss-cheese" muscular ventricular septal defects (MVSDs) undergoing ED.
Polydatin mitigates thrombosis by inhibiting PHD2-induced proline hydroxylation on collagen, reducing platelet adhesion.
Phytomedicine
January 2025
State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China. Electronic address:
Background: Platelet adhesion to collagen, a critical initial step in thrombus formation, remains an underexplored therapeutic target in thrombosis. Current disease treatment strategies primarily focus on platelet activation and aggregation, often overlooking the crucial initial adhesion phase. Reynoutria japonica (Huzhang, HZ), utilized in traditional Chinese medicine to enhance blood circulation and resolve blood stasis, lacks comprehensive insights into its active components and their anti-thrombotic mechanisms.
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