A University of Iowa study suggests that inhibiting a certain protein involved in inflammation might be of therapeutic benefit in organ transplantation, heart attacks and possibly stroke. The study, led by John Engelhardt, Ph.D., UI professor and interim head of anatomy and cell biology, found that blocking the action of this protein can prevent the tissue damage caused by ischemia/reperfusion injury. The study is published in the March 1 issue of the Journal of Clinical Investigation.
John F. Engelhardt, Ph.D.
Ischemia/reperfusion injury is a common, damaging component of organ transplantation, heart attack, and stroke and is a determinant of organ failure in all cases. In this type of injury, the organ is initially deprived of oxygen-carrying blood (ischemia). During reperfusion (the re-establishment of blood supply), toxins are briefly generated from the oxygen that lead to tissue damage and trigger a potentially detrimental inflammatory response.
Although inflammation is an important bodily response to environmental injuries including bacterial and viral infection as well as ischemia/reperfusion injury, too much inflammation can damage healthy tissue and cause problems.
Jennifer Brown | EurekAlert!
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
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