Impact of HDL Peptide 4F on Pulmonary Hypertension (image) University of California - Los Angeles Health Sciences Share Print E-Mail Caption This images shows the differences in the structure of a small lung artery (top row) and heart cross section (lower row) of rodents without disease (far left column); with pulmonary hypertension (middle) and a diseased rodent (left) treated with the HDL peptide. Note the very narrowed lung artery, and thick walls and larger chamber of the right heart in the diseased animal and improvements with 4F peptide treatment. Credit UCLA Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.