The day when a surgeon can pull a new human vein “off the shelf” for use in life-saving vascular surgeries is now one step closer to reality. New research published in the current issue of the journal Science Translational Medicine demonstrates the efficacy of tissue-engineered vascular grafts (TEVGs) that are immediately available at the time of surgery and have decreased potential for infection, obstruction or clotting. The bioengineering method of producing veins reported in the newly-published research shows promise in both large and small diameter applications, such as for Coronary Artery Bypass Graft (CABG) surgery and for vascular access in hemodialysis.
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Nearly 90 percent of children and adults with a highly aggressive form of acute lymphoblastic leukemia (ALL) showed no evidence of cancer after receiving a novel, personalized cell therapy that reprograms a patient’s immune system. In pilot studies of bioengineered T cells that attack leukemia, 24 of 27 patients (89%) experienced complete responses within 28 days after treatment. In all, 27 patients received the treatment--22 children treated at The Children’s Hospital of Philadelphia and five adults treated at the Hospital of the University of Pennsylvania.
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By reprogramming a 7–year–old girl’s own immune cells to attack an aggressive form of childhood leukemia, a pediatric oncologist has achieved a complete response in his patient, who faced grim prospects when she relapsed after conventional treatment. The innovative experimental therapy used bioengineered T cells, custom–designed to multiply rapidly in the patient, and then destroy leukemia cells. After the treatment, the child’s doctors found that she had no evidence of cancer.
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