Proteins that work in immune system also play fundamental role in heart size and function
Researchers have identified two proteins that play fundamental roles in heart size and function and have genetically uncoupled them, a discovery the scientists hope will lead to better treatments for those with cardiovascular disease.
"We initially had a hint that the protein called PTEN controls cell size," says Josef Penninger, professor of medical biophysics and immunology at U of T, and lead author of a paper in the Sept. 20 issue of Cell. "We knew that cardiovascular disease triggers increased heart size and eventually heart failure so we set out to figure out if PTEN also has a function in the heart. We found that PTEN is absolutely critical to how large our hearts become. But to find out that it also plays a major part in controlling heart muscle pumping and function was completely novel and unexpected."
Janet Wong | 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.
Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...
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.
To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...
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
Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...
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