A little over a year ago, the Flanders Interuniversity Institute for Biotechnology (VIB), the D. Collen Research Foundation, and the Catholic University of Leuven invested in the acquisition of a new technology provided by the zebra fish. This small aquarium fish can be used to aid the study of the function of human genes. That this investment is reaping returns is evident from the study that VIB researchers at the Catholic University of Leuven are publishing today in the renowned journal Nature. They have shown for the first time that new blood vessels do not grow in random directions, but that they are guided by specific signal molecules. This is a major step in the development of new targeted forms of therapeutic angiogenesis.
A complex network
Blood vessels transport blood throughout our body. They form a kind of network to bring the necessary nutritional and building materials to organs and tissues and to carry off waste products. So, it is difficult to overstate the importance of blood vessels to a well-functioning body. Disorders in which the blood supply is impaired are quite serious: deficient blood supply to the heart, for example, leads to heart attack. Medical science hopes to be able to treat such diseases in the future by stimulating the growth of new blood vessels, a form of therapy called therapeutic angiogenesis.
Ann Van Gysel | EurekAlert!
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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.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
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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An interdisciplinary group of researchers interfaced individual bacteria with a computer to build a hybrid bio-digital circuit - Study published in Nature Communications
Scientists at the Institute of Science and Technology Austria (IST Austria) have managed to control the behavior of individual bacteria by connecting them to a...
Physicists in the Laboratory for Attosecond Physics (run jointly by LMU Munich and the Max Planck Institute for Quantum Optics) have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.
The most basic of all physical interactions in nature is that between light and matter. This interaction takes place in attosecond times (i.e. billionths of a...
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