In one of the biggest advances to come from the H. Lee Moffitt Cancer Center & Research Institute in its 16-year history, researchers have unlocked at least part of the mystery of how tumors flourish undetected by keeping their presence a secret from sentries of the bodys immune system.
"Flying beneath the radar" is how Nature Reviews Cancer (http://www.nature.com/cgi-taf/DynaPage.taf?file=/nrc/journal/v4/n1/full/nrc1261_fs.html) labels the mechanism of tumors evading capture, a process described by Hua Yu, Ph.D., and her colleagues at Moffitt and the University of South Florida College of Medicine. Their findings are published in the current issue of the journal Nature Medicine.
"Cancer is allowed to wreak havoc on the bodys immune system because it knows how to fool the bodys defensive arsenal," explains Jack Pledger, Ph.D., Associate Center Director for Basic Science and Professor of Biochemistry at USF. "The discoveries of Dr. Yu give us vital information about how tumors stay invisible. It opens the way for new treatments to help flush the cancer cells into the open, so the bodys armies against disease can destroy them."
Andrea Brunais | 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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Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
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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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