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Three-in-one virus killer prevents common, often fatal infections

d Bollard. "Whereas by introducing these specialized T-cells, we are fixing the underlying problem. Using your own immune system is preferable to chemical agents, which can have toxic side effects."

Although the CTLs must undergo further testing, the early results suggest the combination therapy to be more, cost-effective, and safe than traditional therapies and more practical than cell-based therapies that target EBV and CMV separately, both of which are carried in roughly 80 percent of all people. Adenoviruses are common viruses carried in all populations.

"There is no safe and effective therapy for patients with adenovirus infections at the moment, so if you get an infection after a transplant it becomes very problematic," said first author Dr. Ann Leen, BCM instructor of pediatrics at the Center for Cell and Gene Therapy. "So we trained certain T-cells to target this virus."

Bollard envisions one day extending the application of CTLs to other people with compromised immune systems, such as cancer patients undergoing chemotherapy. The therapy could also potentially be used in babies, who are more susceptible to adenovirus infections than other age groups.
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Source:Baylor College of Medicine


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