alexa Catheter-based delivery of cells to the heart.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Sherman W, Martens TP, VilesGonzalez JF, Siminiak T

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Abstract Clinical trials have begun to assess the feasibility, safety, and efficacy of administering progenitor cells to the heart in order to repair or perhaps reverse the effects of myocardial ischemia and injury. In contrast to surgical-based injections, which are often coupled with coronary bypass surgery, catheter-based injections are less invasive and make it possible to evaluate cell products used as sole interventions. The two methods that have been tested in humans are injecting cells directly into the ventricular wall with catheter systems dedicated to that purpose and infusing cells into coronary arteries with standard balloon angioplasty catheters. The catheters described in this article have been shown in both animal and clinical studies to be effective in cell delivery and to be safe. They are well-designed and user-friendly devices, but require further investigation to identify means for optimizing cell retention and to address other limitations. Randomized, placebo-controlled trials utilizing catheters for cell implantation are under way, and others are soon to follow. The results of these studies will help to shape the direction of future investigations, both clinical and basic. The spectrum of cardiac diseases, the variety of catheters for cell delivery, and the wide array of progenitor cell types open up this young field to creative discoveries. This article was published in Nat Clin Pract Cardiovasc Med and referenced in Journal of Cell Science & Therapy

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