Pleural Effusion Formation Linked to Altered Transporter Expression Involved in Alveolar Fluid Clearance: Insights From the Monocrotaline Model of Pulmonary Hypertension.

ABSTRACT: Pleural effusions (PLEF) in pulmonary arterial hypertension (PAH), particularly in patients with isolated right heart failure, are associated with poor prognosis and increased mortality. This study investigates changes in alveolar fluid clearance (AFC) transporter expression in relation to lung fluid accumulation and PLEF formation during PAH progression, as well as the effects of terbutaline (TER) and riociguat (RIO) treatment. Using a monocrotaline (MCT)-induced pulmonary hypertension (PH) rat model, we performed a detailed molecular analysis of AFC transporter expression at different disease stages, both before and after PH development. Although only minor changes were observed in the early stages prior to PH onset, a downregulation of key transporters, γ-ENaC and Na⁺/K⁺

SUBMITTER: Lelkova K 

PROVIDER: S-EPMC12420946 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature