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Developing LRP1 Agonists into a Therapeutic Strategy in Acute Myocardial Infarction

1
VCU Pauley Heart Center, Virginia Commonwealth University, Richmond, VA 23298, USA
2
Unit of Cardiovascular Sciences, Department of Medicine, Campus Bio-Medico University of Rome, 00128 Rome, Italy
3
Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
*
Author to whom correspondence should be addressed.
These authors contributed equally to this paper.
Int. J. Mol. Sci. 2019, 20(3), 544; https://doi.org/10.3390/ijms20030544
Received: 7 December 2018 / Revised: 14 January 2019 / Accepted: 25 January 2019 / Published: 28 January 2019
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Abstract

Cardioprotection refers to a strategy aimed at enhancing survival pathways in the injured yet salvageable myocardium following ischemia-reperfusion. Low-density lipoprotein receptor-related protein 1 (LRP1) is a multifunctional receptor that can be targeted following reperfusion, to induce a cardioprotective signaling through the activation of the reperfusion injury salvage kinase (RISK) pathway. The data from preclinical studies with non-selective and selective LRP1 agonists are promising, showing a large therapeutic window for intervention to reduce infarct size after ischemia-reperfusion. A pilot clinical trial with plasma derived α1-antitrypsin (AAT), a naturally occurring LRP1 agonist, supports the translational value of LRP1 as a novel therapeutic target for cardioprotection. A phase I study with a selective LRP1 agonist has been completed showing no toxicity. These findings may open the way to early phase clinical studies with pharmacologic LRP1 activation in patients with acute myocardial infarction (AMI). View Full-Text
Keywords: cardioprotection; ischemia-reperfusion injury; RISK pathway; LRP1 cardioprotection; ischemia-reperfusion injury; RISK pathway; LRP1
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Potere, N.; Del Buono, M.G.; Niccoli, G.; Crea, F.; Toldo, S.; Abbate, A. Developing LRP1 Agonists into a Therapeutic Strategy in Acute Myocardial Infarction. Int. J. Mol. Sci. 2019, 20, 544.

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