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Public release date: 25-Mar-2013[ | E-mail |
Share ] Contact: Kristen Kusek
kristen.kusek@wyss.harvard.edu
617-432-8266
Wyss Institute for Biologically Inspired Engineering at Harvard
The Wyss Institute for Biologically Inspired Engineering at Harvard University announced today that it was awarded a $9.25 million contract from the Defense Advanced Research Projects Agency (DARPA) to further advance a blood-cleansing technology developed at the Institute with prior DARPA support, and help accelerate its translation to humans as a new type of sepsis therapy.
The device will be used to treat bloodstream infections that are the leading cause of death in critically ill patients and soldiers injured in combat.
To rapidly cleanse the blood of pathogens, the patient's blood is mixed with magnetic nanobeads coated with a genetically engineered version of a human blood 'opsonin' protein that binds to a wide variety of bacteria, fungi, viruses, parasites, and toxins. It is then flowed through microchannels in the device where magnetic forces pull out the bead-bound pathogens without removing human blood cells, proteins, fluids, or electrolytes much like a human spleen does. The cleansed blood then flows back to the patient.
"In just a few years we have been able to develop a suite of new technologies, and to integrate them to create a powerful new device that could potentially transform the way we treat sepsis," said Wyss founding director and project leader, Don Ingber, M.D., Ph.D. "The continued support from DARPA enables us to advance our device manufacturing capabilities and to obtain validation in large animal models, which is precisely what is required to enable this technology to be moved towards testing in humans."
The team will work to develop manufacturing and integration strategies for its core pathogen-binding opsonin and Spleen-on-a-Chip fluidic separation technologies, as well as a novel coating technology called "SLIPS," which is a super-hydrophobic coating inspired from the slippery surface of a pitcher plant that repels nearly any material it contacts. By coating the inner surface of the channels of the device with SLIPS, blood cleansing can be carried out without the need for anticoagulants to prevent blood clotting.
In addition to Ingber, the multidisciplinary team behind this effort includes Wyss core faculty and Harvard School of Engineering and Applied Science faculty member Joanna Aizenberg, Ph.D., who developed the SLIPS technology; Wyss senior staff member Michael Super, PhD., who engineered the human opsonin protein; and Mark Puder, M.D., Ph.D., Associate Professor of Pediatric Surgery at Boston Children's Hospital and Harvard Medical School who will be assisting with animal studies.
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IMAGES AVAILABLE.
About the Wyss Institute for Biologically Inspired Engineering at Harvard University
The Wyss Institute for Biologically Inspired Engineering at Harvard University uses Nature's design principles to develop bioinspired materials and devices that will transform medicine and create a more sustainable world. Working as an alliance among Harvard's Schools of Medicine, Engineering, and Arts & Sciences, and in partnership with Beth Israel Deaconess Medical Center, Brigham and Women's Hospital, Boston Children's Hospital, Dana Farber Cancer Institute, Massachusetts General Hospital, the University of Massachusetts Medical School, Spaulding Rehabilitation Hospital, Boston University and Tufts University, the Institute crosses disciplinary and institutional barriers to engage in high-risk research that leads to transformative technological breakthroughs. By emulating Nature's principles, Wyss researchers are developing innovative new engineering solutions for healthcare, energy, architecture, robotics, and manufacturing. These technologies are translated into commercial products and therapies through collaborations with clinical investigators, corporate alliances, and new start-ups. The Wyss Institute recently won the prestigious World Technology Network award for innovation in biotechnology.
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Public release date: 25-Mar-2013[ | E-mail |
Share ] Contact: Kristen Kusek
kristen.kusek@wyss.harvard.edu
617-432-8266
Wyss Institute for Biologically Inspired Engineering at Harvard
The Wyss Institute for Biologically Inspired Engineering at Harvard University announced today that it was awarded a $9.25 million contract from the Defense Advanced Research Projects Agency (DARPA) to further advance a blood-cleansing technology developed at the Institute with prior DARPA support, and help accelerate its translation to humans as a new type of sepsis therapy.
The device will be used to treat bloodstream infections that are the leading cause of death in critically ill patients and soldiers injured in combat.
To rapidly cleanse the blood of pathogens, the patient's blood is mixed with magnetic nanobeads coated with a genetically engineered version of a human blood 'opsonin' protein that binds to a wide variety of bacteria, fungi, viruses, parasites, and toxins. It is then flowed through microchannels in the device where magnetic forces pull out the bead-bound pathogens without removing human blood cells, proteins, fluids, or electrolytes much like a human spleen does. The cleansed blood then flows back to the patient.
"In just a few years we have been able to develop a suite of new technologies, and to integrate them to create a powerful new device that could potentially transform the way we treat sepsis," said Wyss founding director and project leader, Don Ingber, M.D., Ph.D. "The continued support from DARPA enables us to advance our device manufacturing capabilities and to obtain validation in large animal models, which is precisely what is required to enable this technology to be moved towards testing in humans."
The team will work to develop manufacturing and integration strategies for its core pathogen-binding opsonin and Spleen-on-a-Chip fluidic separation technologies, as well as a novel coating technology called "SLIPS," which is a super-hydrophobic coating inspired from the slippery surface of a pitcher plant that repels nearly any material it contacts. By coating the inner surface of the channels of the device with SLIPS, blood cleansing can be carried out without the need for anticoagulants to prevent blood clotting.
In addition to Ingber, the multidisciplinary team behind this effort includes Wyss core faculty and Harvard School of Engineering and Applied Science faculty member Joanna Aizenberg, Ph.D., who developed the SLIPS technology; Wyss senior staff member Michael Super, PhD., who engineered the human opsonin protein; and Mark Puder, M.D., Ph.D., Associate Professor of Pediatric Surgery at Boston Children's Hospital and Harvard Medical School who will be assisting with animal studies.
###
IMAGES AVAILABLE.
About the Wyss Institute for Biologically Inspired Engineering at Harvard University
The Wyss Institute for Biologically Inspired Engineering at Harvard University uses Nature's design principles to develop bioinspired materials and devices that will transform medicine and create a more sustainable world. Working as an alliance among Harvard's Schools of Medicine, Engineering, and Arts & Sciences, and in partnership with Beth Israel Deaconess Medical Center, Brigham and Women's Hospital, Boston Children's Hospital, Dana Farber Cancer Institute, Massachusetts General Hospital, the University of Massachusetts Medical School, Spaulding Rehabilitation Hospital, Boston University and Tufts University, the Institute crosses disciplinary and institutional barriers to engage in high-risk research that leads to transformative technological breakthroughs. By emulating Nature's principles, Wyss researchers are developing innovative new engineering solutions for healthcare, energy, architecture, robotics, and manufacturing. These technologies are translated into commercial products and therapies through collaborations with clinical investigators, corporate alliances, and new start-ups. The Wyss Institute recently won the prestigious World Technology Network award for innovation in biotechnology.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2013-03/wifb-hwi032513.php
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