News tagged with neuronal cell
Central nervous system stem cells shed light on mechanism that controls asymmetrical division
Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...
May 18, 2012 |
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Researchers gain better understanding of mechanism behind tau spreading in the brain
Researchers at Mount Sinai School of Medicine have gained insight into the mechanism by which a pathological brain protein called tau contributes to the progression of Alzheimer's disease (AD) and other neurodegenerative ...
May 02, 2012 |
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Seeing without eyes: Hydra stinging cells respond to light
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in res ...
Mar 04, 2012 |
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Research shows how the body senses a range of hot temperatures
The winter sun feels welcome, but not so a summer sunburn. Research over the past 20 years has shown that proteins on the surface of nerve cells enable the body to sense several different temperatures. Now scientists have ...
Mar 02, 2012 |
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A unique on-off switch for hormone production
Weizmann scientists have revealed a new kind of on-off switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body.
Feb 23, 2012 |
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Researchers find gene critical to sense of smell in fruit fly
(Medical Xpress) -- Fruit flies don't have noses, but a huge part of their brains is dedicated to processing smells. Flies probably rely on the sense of smell more than any other sense for essential activities ...
Jan 19, 2012 |
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In the brain, 'ORMOSIL' nanoparticles hold promise as a potential vehicle for drug delivery
(PhysOrg.com) -- In the images of fruit flies, clusters of neurons are all lit up, forming a brightly glowing network of highways within the brain.
Nanotechnology / Bio & Medicine
Jan 09, 2012 |
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Tracking genes' remote controls
As an embryo develops, different genes are turned on in different cells, to form muscles, neurons and other bodily parts. Inside each cell's nucleus, genetic sequences known as enhancers act like remote controls, ...
Jan 09, 2012 |
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Aging-related degeneration caused by defects of energy metabolism in tissue stem cells?
Aging-related tissue degeneration can be caused by mitochondrial dysfunction in tissue stem cells. The research group of Professor Anu Suomalainen Wartiovaara in Helsinki University, with their collaborators in Max Planck ...
Jan 03, 2012 |
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How the brain cell works: A dive into its inner network
University of Miami biology professor Akira Chiba is leading a multidisciplinary team to develop the first systematic survey of protein interactions within brain cells. The team is aiming to reconstruct genome-wide ...
Dec 21, 2011 |
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Gene discovery explains how fruit flies retreat from heat
A discovery in fruit flies may be able to tell us more about how animals, including humans, sense potentially dangerous discomforts.
Dec 15, 2011 |
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Scientists show how cells accurately inherit information that is not contained in their genes
All 10 trillion cells in the adult human body are genetically identical, but develop into distinct cell types, such as muscle cells, skin cells or neurons, by activating some genes while inhibiting others. ...
Dec 12, 2011 |
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Unraveling Batten disease
Waste management is a big issue anywhere, but at the cellular level it can be a matter of life and death. A Weizmann Institute study, published in the Journal of Cell Biology, has revealed what causes a molecular waste contai ...
Nov 02, 2011 |
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Moth ears are activated by movement the size of an atom
(PhysOrg.com) -- Moths are so finely tuned to the ultrasonic calls of predatory bats that the nerve cells in their ears are activated by displacements of the eardrum the size of a small atom, according to ...
Oct 20, 2011 |
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Biologists use Sinatra-named fly to show how to see the blues -- and the greens
New York University biologists have identified a new mechanism for regulating color vision by studying a mutant fly named after Frank ('Ol Blue Eyes) Sinatra. Their findings, which appear in the journal Nature, focus on how ...
Oct 09, 2011 |
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