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Published on: August 26, 2017
Gene-Therapeutic Strategies Targeting Angiogenesis in Peripheral Artery Disease
Fumihiro Sanada1, Yoshiaki Taniyama2, Jun Muratsu3,4
1Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan. sanada@cgt.med.osaka-u.ac.jp.
Insights
Therapeutic angiogenesis shows promise for treating peripheral artery disease (PAD), a common cause of death. This review explores growth factor therapies for PAD to improve vascularization and reduce ischemic complications.
Area of Science:
- Cardiovascular Research
- Regenerative Medicine
- Vascular Biology
Background:
- Cardiovascular diseases, including coronary artery disease (CAD) and peripheral artery disease (PAD), are leading causes of global mortality.
- Atherosclerosis, characterized by lipid deposition and arterial narrowing, underlies CAD and PAD, leading to significant morbidity and mortality despite current interventions.
- Existing treatments for CAD and PAD, such as percutaneous transluminal angioplasty, have limitations, highlighting the need for novel therapeutic strategies.
Purpose of the Study:
- To review the current state of therapeutic angiogenesis using angiogenic growth factors for peripheral artery disease (PAD).
- To discuss basic and clinical data from studies investigating angiogenic therapies for PAD.
- To evaluate the biological processes involved in new vascularization for PAD treatment.
Main Methods:
- Review of existing literature on therapeutic angiogenesis and angiogenic growth factors in PAD.
- Analysis of basic science data related to vascularization mechanisms.
- Examination of clinical trial outcomes for angiogenic therapies in PAD patients.
Main Results:
- Therapeutic angiogenesis using angiogenic growth factors has been investigated for nearly two decades for ischemic heart and limb diseases.
- Evidence suggests both successful and unsuccessful outcomes in gene therapy approaches for PAD.
- The efficacy and mechanisms of angiogenic growth factors in promoting new blood vessel formation in PAD require further elucidation.
Conclusions:
- New therapeutic strategies, particularly therapeutic angiogenesis, are crucial for addressing the unmet needs in PAD treatment.
- Angiogenic growth factor-based therapies offer a potential avenue for stimulating new vasculature to improve blood flow in ischemic tissues.
- Further research into the biological processes and clinical application of therapeutic angiogenesis is essential for advancing PAD treatment options.
Abstract:
The World Health Organization announced that cardiovascular disease is the number one cause of death globally, representing 31% of all global deaths. Coronary artery disease (CAD) affects approximately 5% of the US population aged 40 years and older. With an age-adjusted prevalence of approximately 12%, peripheral artery disease (PAD) affects at least 8 to 12 million Americans. Both CAD and PAD are caused by mainly atherosclerosis, the hardening and narrowing of arteries over the years by lipid deposition in the vascular bed. Despite the significant advances in interventions for revascularization and intensive medical care, patients with CAD or PAD who undergo percutaneous transluminal angioplasty have a persistent high rate of myocardial infarction, amputation, and death. Therefore, new therapeutic strategies are urgently needed for these patients. To overcome this unmet need, therapeutic angiogenesis using angiogenic growth factors has evolved in an attempt to stimulate the growth of new vasculature to compensate for tissue ischemia. After nearly 20 years of investigation, there is growing evidence of successful or unsuccessful gene therapy for ischemic heart and limb disease. This review will discuss basic and clinical data of therapeutic angiogenesis studies employing angiogenic growth factors for PAD patients and will draw conclusions on the basis of our current understanding of the biological processes of new vascularization.
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