Like a telegraph transmission, the significance of a cellular signal can change greatly depending on whether it arrives as a brief 'dot' or a sustained 'dash'. For example, transient activation of extracellular receptor kinase ...
Cell & Microbiology
Aug 5, 2010
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The ability to combat some age-related diseases, such as cancer and diabetes, may rest with scientists unlocking clues about the molecular and cellular processes governing aging. The underlying theory is that if the healthy ...
Biotechnology
Jul 7, 2010
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(PhysOrg.com) -- A protein complex, which is an important link in a cellular transport chain, also initiates the assembly of the next link in the chain. This newly-won insight will now allow a better understanding of a transport ...
Cell & Microbiology
May 25, 2010
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Our cells are more like us than we may think. They're sensitive to their environment, poking and prodding deliberately at their surroundings with hand-like feelers and chemical signals as they decide whether and where to ...
Cell & Microbiology
Dec 16, 2009
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(PhysOrg.com) -- Protein function and gene expression are often regulated by reversible modifications of already existing proteins. Scientists from the Max Planck Institute of Biochemistry and the University of Copenhagen ...
Biochemistry
Aug 17, 2009
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Neural stem cells represent the cellular backup of our brain. These cells are capable of self-renewal to form new stem cells or differentiate into neurons, astrocytes or oligodendrocytes. Astrocytes have supportive functions ...
Biochemistry
Jun 30, 2009
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Sections of proteins previously thought to be disordered may in fact have an unexpected biological role - providing certain proteins room to move -- according to a study published by researchers at Fox Chase Cancer Center ...
Cell & Microbiology
May 26, 2009
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Several bacterial pathogens use toxins to manipulate human host cells, ultimately disturbing cellular signal transduction. Until now, however, scientists have been able to track down only a few of the proteins that interact ...
Cell & Microbiology
Apr 22, 2009
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