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Scientists Uncover The Secret Behind The Speed In Nerve cells Conduction

Two new studies that has been published yesterday online, by Nature Structural and Molecular Biology, states that scientists have defined the function of a key protein// used by the nerve cells use to pass information quickly.

Two new studies, one of which was conducted by an undergraduate biochemistry student at the Rice University, researchers have explained the function of a key protein used by nerve cells to pass on information. It was explained that in the second that it takes for us to read these words, tens of thousands of vesicles in our optic nerves are released in sequence, which open tiny surface pores that pass chemical signals to the next cell down the line, telling our brain what we're seeing and our eyes where to move.

Like all cells in our bodies, nerve cells are encased in a membrane, a thin layer of fatty tissue that walls off the outside world from the cell's interior. And like other cells, nerve cells use a complex system of proteins as sensors, switches and activators to scan the outside world and decide when to open membrane doorways to take in food, expel waste and export chemical products to the rest of the body.

Many studies suggest that a group of proteins called SNAREs act like the cell's loading dock managers, deciding when to open the door to release shipments of chemical freight. SNAREs form a docking bay for cartons of chemicals encased in their own fatty membranes.

"Nerve cells are one of the few cells in our bodies in which vesicles are prepositioned at the cell membrane, because they have to be ready to release neurotransmitter to the next nerve cell at a moment's notice," said principal researcher James McNew, assistant professor of biochemistry and cell biology.

SNAREs are a key player in membrane fusion. They oversee the merger of the cell's outer membrane with the membrane encasing the chemical freight, and they do it in such a way that the freight can be exported, but
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