UNC neuroscience center awarded $1.7 million for nerve growth and regeneration studies
... of branching nerve cell components, or processes: axons and dendrites. Axons conduct nervous impulses away...ng dendritic tree. At their terminals, or synapse, axons transmit nerve impulses to other nerve cells or to other 'effector' cells that act by contraction (m...Single cell type seems to control internal clock and pupil of eye
... cells, while tau-lacZ lights up the tentacle-like axons of nerve cells in which the melanopsin gene is tur...e can visually trace single cells and follow their axons for long distances to see where they begin and where they end," says Yau. The experiments showed th...Undergrad probes regeneration of nerve cell branches
...boratory that these proteins blocked growth of new axons in mature nerve cells. However, those same inhibitory compounds cannot block the growth of new axons on immature nerve cells. And scientists have found a couple of circumstances that seem to push matur...Fly brains provide new insights into the growth and development of human nerve cells
...c GTPases in the growth, guidance and branching of axons fibrous extensions that nerve cells send out to make connections with other nerve cells, says Luo, who also serves on Stanfords Neurosciences faculty. While fruit flies may seem like simple organisms, Luo points out that a typical fruit fly brain is...Researchers identify compounds that might help in spinal cord repair
...al cord injury, myelin sends signals that stop the axons from regenerating. Schnaar and his colleagues found that molecules called MAG (myelin associated glycoprotein) on the myelin send inhibitory signals to complementary molecules called gangliosides on the surface of nerve cell axons. While the MAG-gan...Neural stem cells can develop into functional neurons
...euronal structures, including the long, cable-like axons and branching dendrites that form connections with other neurons. The researchers observed that the axons and dendrites produced protein markers that were characteristic of normal neurons. By recording elec...'Warm to the touch' gene found
... are connected to the skin and organs through long axons to sense temperature, pressure, and other physical stimuli. Expressed on these axons are the same sort of TRP channels as the one in the current study, and in the last few years scienti...Stanford explores new avenue for brain injury, paralysis research
...ns that weren't killed outright may have had their axons chopped in half, disconnecting them from the netwo... slow regeneration, Goldberg removed the glia from axons in the optic nerves of embryonic and 8-day-old rats. (The optic nerve, which connects the brain to t...Molecular 'stop signs' may hold secret of nerve regeneration
...n its tracks, but in the rest of the body, damaged axons can re-grow," says Schnaar. "To make headway in treating brain and spinal cord injury, we need to attack this problem from a number of angles, and our studies have provided an additional target for intervention." Of the "stop signs" identified so fa...Researchers produce motor neurons from embryonic stem cells
...nic spinal cord and extended their long cable-like axons toward their normal targets in muscle. "I think our results documented that these ES-cell-derived motor neurons do a pretty good job of mimicking their embryo-derived counterparts in all of those three tests," said Jessell. "In general, I was pleasan...New insight into how eyes become wired to the brain discovered by Salk, UT Southwestern scientists
...s, the A-class Ephs, were important in mapping the axons on the left-right, or horizontal, axis of the eye ...author. "Our new research now identifies how optic axons map the top-bottom, or vertical, axis of the retina into the brain and also defines the biochemical ...Alzheimer's disease may originate in the brain's white matter
...sheath. A defective myelin coating could leave the axons unprotected, resulting in serious disturbances in ...st as critical to cognitive function. White matter axons play a major role in controlling mental activities like emotion, and all mental functions are fully ...UC Berkeley scientists detail neural circuit that lets eye detect directional motion
...es of these specialized ganglion cells. The cells' axons - the outgoing wires of the neuron - bundle togeth...cells. The bipolar cells funnel signals down their axons and relay them to the dendrites, or input wires, of ganglion cells, which send the processed inform...A new window to view how experiences rewire the brain
...ons of the large-scale structure of neurons, their axons and dendrites, revealed that they were remarkably stable over a month." Dendrites and axons are highly branched structures, where dendrites are the input side of neurons and axons the output s...Polymers promote nerve regeneration
...State University. "Peripheral nervous system (PNS) axons the part of the nerve cell which carries the impulses normally have a connective tissue sheath of myelin guide their growth, and without that guidance, they aren't able grow productively." Since the nervous system carries electrical impulses, it he...How the nose knows a rose-or a mate
...ied the olfactory system in rodents, following the axons that extend from neurons into the rodent brain. Their research shows that the axons from neurons with receptors for the same odor molecule congregate in the one or two glomeruli that a...Never too late to boogie: Nerve cells still active in 'mature' brain
...e neuron from other nerve cells. The tentacle-like axons and dendrites form synapses with other axons and dendrites, eventually "wiring up" the brain. Halpain and two colleagues will discuss the role ...Scientists identify protein channel that mediates body's ability to feel frigid temperatures
...extensions known as axons. On the surface of these axons are the protein channel molecules, like ANKTM1 and its cousins the hot, warm, and cool receptors, which span the axon's membrane, connecting the inside with the outside. These receptors act like "molecular thermometers" by opening and closing accordi...Gene discovery may shed light on carpel tunnel syndrome and Lou Gehrig's disease
...esponses are diminished due to a defect within the axons themselves. CMT type 2, the less common of the two classes, can be further separated into at least six subtypes, caused by defects in different genes. The GARS gene is implicated in CMT type 2D, a form of CMT that primarily affects the hands and the...A new discovery by scientists at the MNI may provide insights into Multiple Sclerosis
...wn that netrins are proteins that guide nerve cell axons to their target in the developing nervous system l... to their target. In the embryo, this can involve axons travelling long distances. "In addition to this long-range function, last year we reported that net...