Treating stroke is all a matter of timing: therapy delivered too late misses the critical window when neurons can still be saved. A report by Stanford University School of Medicine researchers shows that cooling the brain can lengthen the therapeutic window, giving doctors more time to protect brain cells.
The idea of cooling the brain isnt new. Study leader Gary Steinberg, MD, PhD, the Lacroute-Hearst Professor of Neurosurgery and the Neurosciences, said he started cooling brains during brain surgery in 1991. For some types of surgeries, a brain thats 4 degrees cooler than normal seems to resist injury better than a brain at normal body temperature.
In collaboration with Robert Sapolsky, PhD, the John A. and Cynthia Fry Gunn Professor of Biological Sciences, Steinberg has combined this cooling treatment with a form of gene therapy. Together the approaches work better than either technique on its own to save neurons after a stroke. Whats more, cooling the brains in rats slowed the neurons demise, giving researchers more time to administer additional treatment.
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Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to simulate these confined natural conditions in artificial vesicles for the first time. As reported in the academic journal Small, the results are offering better insight into the development of nanoreactors and artificial organelles.
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to...
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22.03.2017 | Materials Sciences