Investigators have discovered that some type of protective system goes into action in some cases when a babys immune system is deficient. This discovery indicates a hidden safety net that might have far-reaching consequences for treating diseases of the immune system such as AIDS. The Mayo Clinic-led study was conducted with colleagues in Toronto and Baltimore, and is reported in the early online edition of the Feb. 1 Journal of Immunology.
The researchers studied 20 patients who as infants underwent heart transplantation and had their thymus removed. As a result the infants were deficient in T cells, the cells depleted in AIDS patients that are crucial to fighting viruses and cancer tumors. The researchers found that over a 10-year-period the infant transplant patients resisted the same infections that often kill adult AIDS patients. The transplant patients maintained their health even with low T cell counts. The finding could help improve treatments of AIDS, cancers and diseases of aging related to declining function of the immune system.
"We are very excited by this result," says Jeffrey Platt, M.D., the Mayo transplant researcher who led the team. "This will be the first step to discovering how to make the immune system work in patients who have severe defects in their immune systems or who have cancer."
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
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Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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