Abstract
Ultrasound mediated drug delivery using microbubbles is a safe and noninvasive approach for spatially localized drug administration. This approach can create temporary and reversible openings on cellular membranes and vessel walls (a process called "sonoporation"), allowing for enhanced transport of therapeutic agents across these natural barriers. It is generally believed that the sonoporation process is highly associated with the energetic cavitation activities (volumetric expansion, contraction, fragmentation, and collapse) of the microbubble. However, a thorough understanding of the process was unavailable until recently. Important progress on the mechanistic understanding of sonoporation and the corresponding physiological responses in vitro and in vivo has been made. Specifically, recent research shed light on the cavitation process of microbubbles and fluid motion during insonation of ultrasound, on the spatio-temporal interactions between microbubbles and cells or vessel walls, as well as on the temporal course of the subsequent biological effects. These findings have significant clinical implications on the development of optimal treatment strategies for effective drug delivery. In this article, current progress in the mechanistic understanding of ultrasound and microbubble mediated drug delivery and its implications for clinical translation is discussed.
Keywords: Contrast agents, Drug delivery, Microbubbles, Sonoporation, Therapy, Ultrasound.
Current Pharmaceutical Biotechnology
Title:Ultrasound and Microbubble Guided Drug Delivery: Mechanistic Understanding and Clinical Implications
Volume: 14 Issue: 8
Author(s): Tzu-Yin Wang, Katheryne E. Wilson, Steven Machtaler and Jurgen K. Willmann
Affiliation:
Keywords: Contrast agents, Drug delivery, Microbubbles, Sonoporation, Therapy, Ultrasound.
Abstract: Ultrasound mediated drug delivery using microbubbles is a safe and noninvasive approach for spatially localized drug administration. This approach can create temporary and reversible openings on cellular membranes and vessel walls (a process called "sonoporation"), allowing for enhanced transport of therapeutic agents across these natural barriers. It is generally believed that the sonoporation process is highly associated with the energetic cavitation activities (volumetric expansion, contraction, fragmentation, and collapse) of the microbubble. However, a thorough understanding of the process was unavailable until recently. Important progress on the mechanistic understanding of sonoporation and the corresponding physiological responses in vitro and in vivo has been made. Specifically, recent research shed light on the cavitation process of microbubbles and fluid motion during insonation of ultrasound, on the spatio-temporal interactions between microbubbles and cells or vessel walls, as well as on the temporal course of the subsequent biological effects. These findings have significant clinical implications on the development of optimal treatment strategies for effective drug delivery. In this article, current progress in the mechanistic understanding of ultrasound and microbubble mediated drug delivery and its implications for clinical translation is discussed.
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Cite this article as:
Wang Tzu-Yin, Wilson E. Katheryne, Machtaler Steven and Willmann K. Jurgen, Ultrasound and Microbubble Guided Drug Delivery: Mechanistic Understanding and Clinical Implications, Current Pharmaceutical Biotechnology 2013; 14 (8) . https://dx.doi.org/10.2174/1389201014666131226114611
DOI https://dx.doi.org/10.2174/1389201014666131226114611 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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