Changing stroke rehab and research worldwide now.Time is Brain! trillions and trillions of neurons that DIE each day because there are NO effective hyperacute therapies besides tPA(only 12% effective). I have 523 posts on hyperacute therapy, enough for researchers to spend decades proving them out. These are my personal ideas and blog on stroke rehabilitation and stroke research. Do not attempt any of these without checking with your medical provider. Unless you join me in agitating, when you need these therapies they won't be there.

What this blog is for:

My blog is not to help survivors recover, it is to have the 10 million yearly stroke survivors light fires underneath their doctors, stroke hospitals and stroke researchers to get stroke solved. 100% recovery. The stroke medical world is completely failing at that goal, they don't even have it as a goal. Shortly after getting out of the hospital and getting NO information on the process or protocols of stroke rehabilitation and recovery I started searching on the internet and found that no other survivor received useful information. This is an attempt to cover all stroke rehabilitation information that should be readily available to survivors so they can talk with informed knowledge to their medical staff. It lays out what needs to be done to get stroke survivors closer to 100% recovery. It's quite disgusting that this information is not available from every stroke association and doctors group.

Wednesday, August 6, 2014

Scripps Florida Scientists Shed New Light on Nerve Cell Growth

I would like some light shed on my brain since it needs lots of neuron growth.
http://www.alphagalileo.org/ViewItem.aspx?ItemId=143631&CultureCode=en
midst the astounding complexity of the billions of nerve cells and trillions of synaptic connections in the brain, how do nerve cells decide how far to grow or how many connections to build? How do they coordinate these events within the developing brain?
In a new study, scientists from the Florida campus of The Scripps Research Institute (TSRI) have shed new light on these complex processes, showing that a particular protein plays a far more sophisticated role in neuron development than previously thought.
The study, published in the journal PLOS Genetics, focuses on the large, intracellular signaling protein RPM-1 that is expressed in the nervous system. TSRI Assistant Professor Brock Grill and his team show the surprising degree to which RPM-1 harnesses sophisticated mechanisms to regulate neuron development.
Specifically, the research sheds light on the role of RPM-1 in the development of axons or nerve fibers—the elongated projections of nerve cells that transmit electrical impulses away from the neuron via synapses. Some axons are quite long; in the sciatic nerve, axons run from the base of the spine to the big toe.
“Collectively, our recent work offers significant evidence that RPM-1 coordinates how long an axon grows with construction of synaptic connections,” said Grill. “Understanding how these two developmental processes are coordinated at the molecular level is extremely challenging. We’ve now made significant progress.”
Putting Together the Pieces
The study describes how RPM-1 regulates the activity of a single protein known as DLK-1, a protein that regulates neuron development and plays an essential role in axon regeneration. RPM-1 uses PPM-2, an enzyme that removes a phosphate group from a protein thereby altering its function, in combination with ubiquitin ligase activity to directly inhibit DLK-1.
“Studies on RPM-1 have been critical to understanding how this conserved family of proteins works,” said Scott T. Baker, the first author of the study and a member of Grill’s research team. “Because RPM-1 plays multiple roles during neuronal development, you wouldn’t want to interfere with it. But exploring the role of PPM-2 in controlling DLK-1 and axon regeneration could be worthwhile—and could have implications in neurodegenerative diseases.”
The Grill lab has also explored other aspects of how RPM-1 regulates neuron development. A related study, also published in PLOS Genetics, shows that RPM-1 functions as a part of a novel pathway to control β-catenin activity—this is the first evidence that RPM-1 works in connection with extracellular signals, such as a family of protein growth factors known as Wnts, and is part of larger signaling networks that regulate development. A paper in the journal Neural Development shows that RPM-1 is localized at both the synapse and the mature axon tip, evidence that RPM-1 is positioned to potentially coordinate the construction of synapses with regulation of axon extension and termination.
In addition to Grill and Baker, Erik Tulgren of the University of Minnesota, Willy Bienvenut of the Campus de Recherche de Gif, France, as well as Karla Opperman and Shane Turgeon of TSRI contributed to the study entitled, “RPM-1 Uses Both Ubiquitin Ligase and Phosphatase-Based Mechanisms to Regulate DLK-1 during Neuronal Development.” For more information, see http://www.plosgenetics.org/article/info%3Adoi%2F10.1371%2Fjournal.pgen.1004297

No comments:

Post a Comment