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Tag: "lateral" at biology news

New research shows sharks use their noses and bodies to locate smells

...ed their skin – specifically a location called the lateral line. The lateral line is an organ used by all fish to detect, with exquisite sensitivity, movement and vibration in t...

Researchers develop marker that identifies energy-producing centers in nerve cells

...es including Parkinson's, Alzheimer's, amyotrophic lateral sclerosis (also known as ALS) and Huntington's disease. "The mice we have developed with the fluorescent protein could be bred with mouse models of various neurological diseases, so we could apply the ability to see mitochondria in neurons to the res...

Bisexual fruit flies show new role for neurochemical

...earn to debilitating illnesses such as amyotrophic lateral sclerosis, muscular dystrophy, post-traumatic stress syndrome and schizophrenia is influenced by the number of receptors on nerve cells. The more receptors each cell has at its communication points, or synapses, the better that messages are carried t...

Using brain scans, researchers find evidence for a two-stage model of human perceptual learning

...d a particular region in participants' brains, the lateral occipital cortex, which had also been found by oth...d again that cars selectively activated an area in lateral occipital cortex, but that now neurons in that area appeared to be finely tuned to small car shape d...

Neural bottleneck found that thwarts multi-tasking

...tral bottleneck was caused by the inability of the lateral frontal and prefrontal cortex, and also the superior frontal cortex, to process the two tasks at once. Both areas have been shown in previous experiments to play a critical role in cognitive control. "We determined these brain regions responded to...

Gene hunters close in on Lou Gehrig’s disease

...netic roots of the most common form of amyotrophic lateral sclerosis (ALS), Johns Hopkins scientists have newly identified 34 unique variations in the human genetic code among 276 unrelated subjects with ALS. The 34 so-called single nucleotide polymorphisms, or SNPs, represent good candidate genes predispos...

Biologically inspired sensors can augment sonar, vision system in submarines

...organs along the sides of their bodies, called the lateral line. Now, a research team led by Chang Liu at the...linois at Urbana-Champaign has built an artificial lateral line that can provide the same functions in underwater vehicles. "Our development of an artificial ...

Growth factor stimulates rapid extension of key motor neurons in brain

...that die in motor neuron diseases like amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease). In the November 2006 issue of Nature Neuroscience, two investigators from Massachusetts General Hospital (MGH) and the Harvard Stem Cell Institute describe how insulin-like growth factor 1 (IGF-1) dramaticall...

American scientist's research of life's first cells

...pplication of RNAi to diseases such as Amyotrophic lateral sclerosis (ALS). Schwarz' thesis work was recognized with a 2005 Harold M. Weintraub Graduate Student Award. She is currently a Jane Coffin Childs postdoctoral fellow in the lab of Erin K. O'Shea at Harvard University where she studies stress respo...

Neural networking nanotubes

...branched neurons. A voltage could then be applied, lateral to the SWNT film layer, and a so-called whole cell...e any electrical effect on the nerve cells. When a lateral voltage is applied, a relatively large current is carried along the surface but only a very small cu...

Scientists design simple dipstick test for cocaine, other drugs

...tructed colorimetric sensors that are based on the lateral flow separation of aptamer-linked nanostructures,"...n be selected from a large DNA library. By using lateral flow devices as platforms to separate aptamer-linked nanoparticle aggregates, Lu, postdoctoral resea...

From a lowly yeast, researchers divine a clue to human disease

...cal diseases, including a rare form of amyotrophic lateral sclerosis, also known as ALS or Lou Gehrig's disease, and movement disorders. By exploring how Sen1 works in yeast, Brow provides a powerful tool other researchers can use to better understand the interplay of the protein and gene regulation in huma...

Human stem cells delay start of Lou Gehrig's disease in rats

...succumb to Lou Gehrig's, also known as amyotrophic lateral sclerosis (ALS). The study is published in this week's issue of Transplantation. "We were extremely surprised to see that the grafted stem cells were not negatively affected by the degenerating cells around them, as many feared introducing healthy ...

Neural stem cells lend the brain a surprising capacity for self-repair

...cal remodeling can indeed happen along the brain's lateral ventricular wall, and further insights into this process should shed light on whether SVZ neural stem cells participate in stroke/trauma-induced brain remodeling and postnatal/adult brain tumor formation. Furthermore, understanding how the SVZ cells ...

UNC scientists solve mystery of how largest cellular motor protein powers movement

...and mimics the symptoms of people with amyotrophic lateral sclerosis (ALS). ...

With record resolution and sensitivity, tool images how life organizes in a cell membrane

...e scientists analyzed a model system to reveal its lateral organization. First they used lipids with either '... of lipid resided in an area. ''We're looking for lateral organization of some sort believed to be present in membranes,'' Boxer said. ''There is now no reall...

Test reveals effectiveness of potential Huntington's disease drugs

...eimer's disease, and riluzole, used in amyotrophic lateral sclerosis, did protect the cells. Memantine demonstrated a stronger effect in the study. Memantine has also shown evidence of retarding the progression of Huntington's in people, while riluzole has helped relieve some symptoms. "Our results provi...

Variations in detoxifying genes linked to Lou Gehrig's disease

... a risk factor for developing sporadic amyotrophic lateral sclerosis (ALS, or Lou Gehrig's disease), and possibly responsible for a reported twofold increased risk of ALS in Gulf War veterans. These findings, from a study led Teepu Siddique, M.D., and colleagues at Northwestern University, open the door to...

Himalayan forests disappearing

...l planning in this higher brain region, called the lateral prefrontal cortex (PFC). The researchers, led by...on. They concentrated on a brain region called the lateral prefrontal cortex (PFC), which many studies have shown to be involved in such higher brain functions...

The brain's executive is an 'event planner'

...l planning in this higher brain region, called the lateral prefrontal cortex (PFC). The researchers, led by...on. They concentrated on a brain region called the lateral prefrontal cortex (PFC), which many studies have shown to be involved in such higher brain functions...

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