Competing theories about why brain cells die in Huntingtons disease may not be competitors after all, according to a report published July 23, 2004, in the early online edition of the Annals of Neurology.
Researchers report finding minor molecular abnormalities of the sort proposed by these different theories in cells throughout the brain and even in the skin. Yet only select groups of cells in a few movement centers of the brain are so vulnerable to these disruptions that they degenerate and die.
The results suggest that therapeutic strategies for Huntingtons--as well as other neurodegenerative diseases such as Alzheimers and Parkinsons--may have to be more complex than previously supposed.
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Researchers invent tiny, light-powered wires to modulate brain's electrical signals
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Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.
But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...
Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.
The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...
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