Related Experiment Video
Updated: Jul 20, 2026

In Vitro Model of Coronary Angiogenesis
Published on: March 10, 2020
Angiogenesis for the treatment of inoperable coronary disease: the future
Frank W Sellke1, Roger Laham, Erik J Suuronen
1Division of Cardiothoracic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA. fsellke@bidmc.harvard.edu
Insights
Therapeutic angiogenesis aims to restore blood flow in severe coronary artery disease when traditional treatments fail. While promising, this approach requires further development to achieve significant clinical benefits.
Area of Science:
- Cardiovascular Medicine
- Regenerative Medicine
- Vascular Biology
Background:
- Severe coronary artery disease (CAD) presents challenges even with advanced treatments like angioplasty and bypass surgery.
- Diffuse and severe CAD can limit the effectiveness of conventional interventions in restoring myocardial blood flow.
- Existing therapies may not adequately address complex cases of chronic ischemia.
Purpose of the Study:
- To explore therapeutic angiogenesis as a strategy to restore perfusion in chronically ischemic myocardium.
- To investigate protein growth factors, gene therapy, and cell-based therapy for treating refractory CAD.
- To overcome limitations of current treatments for severe coronary artery disease.
Main Methods:
- Utilizing protein growth factors to stimulate new blood vessel formation.
- Employing gene therapy to promote vascularization in ischemic heart tissue.
- Investigating cell-based therapies as a novel approach for therapeutic angiogenesis.
- Focusing on non-invasive strategies that bypass epicardial coronary arteries.
Main Results:
- Therapeutic angiogenesis has not yet demonstrated significant clinical benefit for CAD patients.
- Current angiogenesis approaches are experimental and reserved for patients unresponsive to standard therapies.
- The potential of endogenous inhibitors of vascular development remains an area for future research.
Conclusions:
- Therapeutic angiogenesis holds future promise for treating coronary artery disease by mimicking natural vascularization processes.
- Modifying endogenous inhibitors of vascular development could enhance the efficacy of angiogenesis.
- Further research is needed to translate the potential of therapeutic angiogenesis into a major clinical modality for CAD treatment.
Abstract:
Improved treatment options and better management of cardiovascular risk factors have resulted in improved outcomes for patients suffering from severe coronary artery disease. However, coronary artery disease may be of such a diffuse and severe manner that repeated attempts at catheter-based interventions and coronary artery bypass grafting may be unsuccessful at restoring normal myocardial blood flow. It is the goal of therapeutic angiogenesis to restore perfusion to chronically ischemic myocardium using protein growth factors, gene therapy, or, more recently, cell-based therapy, without intervening on the epicardial coronary arteries. However, angiogenesis has not yet provided significant clinical benefit and is still reserved as an experimental treatment for patients who have failed conventional therapies. Once potential endogenous inhibitors of vascular development can be modified, angiogenesis may become more useful for therapeutic purposes. It is hoped that angiogenesis for therapeutic purposes will one day effectively re-create the potent natural processes of vascularization that every human being undergoes during growth and development and become a major modality for the treatment of coronary artery disease.
Related Concept Videos
Regulation of Angiogenesis and Blood Supply
Mechanism of Angiogenesis
Coronary Artery Disease V: Interprofessional Care
Angina IV: Management
Coronary Artery Disease I: Introduction
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme (ECE). Of...

