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Review
. 2022 Mar;179(5):811-837.
doi: 10.1111/bph.15444. Epub 2021 May 12.

Animal models of pulmonary hypertension: Getting to the heart of the problem

Joshua P Dignam  1 , Tara E Scott  2   3 , Barbara K Kemp-Harper  2 , Adrian J Hobbs  1
Affiliations
Free article
Review

Animal models of pulmonary hypertension: Getting to the heart of the problem

Joshua P Dignam et al. Br J Pharmacol. 2022 Mar.
Free article

Abstract

Despite recent therapeutic advances, pulmonary hypertension (PH) remains a fatal disease due to the development of right ventricular (RV) failure. At present, no treatments targeted at the right ventricle are available, and RV function is not widely considered in the preclinical assessment of new therapeutics. Several small animal models are used in the study of PH, including the classic models of exposure to either hypoxia or monocrotaline, newer combinational and genetic models, and pulmonary artery banding, a surgical model of pure RV pressure overload. These models reproduce selected features of the structural remodelling and functional decline seen in patients and have provided valuable insight into the pathophysiology of RV failure. However, significant reversal of remodelling and improvement in RV function remains a therapeutic obstacle. Emerging animal models will provide a deeper understanding of the mechanisms governing the transition from adaptive remodelling to a failing right ventricle, aiding the hunt for druggable molecular targets. LINKED ARTICLES: This article is part of a themed issue on Preclinical Models for Cardiovascular disease research (BJP 75th Anniversary). To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.5/issuetoc.

Keywords: SU5416; animal models; chronic hypoxia; monocrotaline; pulmonary artery banding; pulmonary hypertension; right ventricular failure; right ventricular hypertrophy.

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References

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