Human Left Ventricle circRNA-miRNA-mRNA Network Analyses Reveal a Novel Proangiogenic Role for circNPHP1 Under Ischemic Conditions
Maryam Anwar, Moumita Sarkar, Kerrie Ford, Gianni D. Angelini, Prakash P. Punjabi, Yingshu Guan, Abas Laftah, Aránzazu Chamorro-Jorganes, Jiahui Ji, Prashant K. Srivastava, Enrico Petretto, Costanza Emanueli

TL;DR
This study identifies a new RNA network in heart disease and diabetes that could help develop treatments to improve blood vessel growth.
Contribution
The study reveals a novel proangiogenic role for circNPHP1 in cardiac endothelial cells under ischemic and diabetic conditions.
Findings
CircNPHP1 promotes angiogenesis by sponging miR-221-3p in ischemic and diabetic conditions.
The circNPHP1-miR-221-3p-BCL2-VEGFA subnetwork is involved in endothelial cell proliferation and angiogenesis.
CircNPHP1 is identified as a potential therapeutic target for promoting blood vessel growth in heart disease.
Abstract
•We found a novel circRNA-miRNA-mRNA network in IHD and T2DM.•CircNPHP1 regulates angiogenesis and proliferation in the cardiac endothelial cells exposed to conditions mimicking IHD and T2DM.•We elucidated a novel proangiogenic subnetwork consisting of circNPHP1, miR-221-3p, BCL2, and VEGFA.•We identified circNPHP1 as a potential new target for therapeutic angiogenesis. We found a novel circRNA-miRNA-mRNA network in IHD and T2DM. CircNPHP1 regulates angiogenesis and proliferation in the cardiac endothelial cells exposed to conditions mimicking IHD and T2DM. We elucidated a novel proangiogenic subnetwork consisting of circNPHP1, miR-221-3p, BCL2, and VEGFA. We identified circNPHP1 as a potential new target for therapeutic angiogenesis. Therapies promoting microvascular flow and endothelial repair require effective identification of new targets in ischemic heart disease (IHD). The…
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Taxonomy
TopicsCircular RNAs in diseases · MicroRNA in disease regulation · Cardiovascular Disease and Adiposity
