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New device could save millions from septic shock

Thursday, September 10, 2015 - 02:08

A device that utilizes a blood cleansing engineered protein could prove an effective therapy for patients with sepsis, according to researchers. Ben Gruber reports.

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STORY: Prostate cancer, breast cancer and AIDS - all potentially lethal diseases that affect hundreds of thousands each year. But Sepsis, a deadly immune response triggered by infection, kills more people than all of them combined. Mike Super says there is no approved therapy for sepsis, which is why he and a team of scientists at Harvard's Wyss Institute are attempting to develop one. SOUNDBITE (English) MIKE SUPER, SENIOR STAFF SCIENTIST, WYSS INSTITUTE, SAYING: "The current standard of therapy is to give antibiotics and fluids. But what we are talking about here is treatment for sepsis and that is what is missing." What is missing, according to Super, is a way to rapidly cleanse the bloodstream of dangerous pathogens before they trigger a deadly inflammatory response that could damage blood vessels and lead to organ failure. The scientists are using a dialysis system to filter the blood through a tube filled with mesh of tiny fibers that are coated with Super's secret weapon - an engineered protein called fcMBL. SOUNDBITE (English) MIKE SUPER, SENIOR STAFF SCIENTIST, WYSS INSTITUTE, SAYING: "What's nice about proteins like this fcMBL from the innate immune system is that they bind the sugars which are part of the cell wall of the pathogens. They bind to the cell wall of bacteria, of fungi, of many viruses and many parasites and they bind to toxins as well. We are coating the inside of the tubes with that protein and we are running the infected blood from the patient through that, through the filter and binding, absorbing, capturing the pathogens that are in that blood so that the blood that is going back to the patient is cleansed." The patients right now are large animal models and rat models before that. In the rat trials, the system was more than 99 percent effective in filtering out deadly bacteria. The researchers hope to start human trials in the near future. The next step towards developing a powerful weapon against one of the world's leading killers.

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New device could save millions from septic shock

Thursday, September 10, 2015 - 02:08