News tagged with central nervous

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 ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity not rated yet | comments 0

'Green' nanoparticles, that may enhance medication delivery and improve MRI performance

Researchers at Harvard-affiliated McLean Hospital have shown a new category of "green" nanoparticles comprised of a non-toxic, protein-based nanotechnology that can non-invasively cross the blood brain barrier and is capable ...

Nanotechnology / Bio & Medicine

created May 02, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Zombie ants have fungus on the brain

Tropical carpenter ants (Camponotus leonardi) live high up in the rainforest canopy. When infected by a parasitic fungus (Ophiocordyceps unilateralis) the behaviour of the ants is dramatically changed. They ...

Biology / Plants & Animals

created May 09, 2011 | popularity 5 / 5 (6) | comments 4 | with audio podcast

Scientists cultivate human brain's most ubiquitous cell in lab dish

Pity the lowly astrocyte, the most common cell in the human nervous system.

Biology / Biotechnology

created May 22, 2011 | popularity 4.5 / 5 (10) | comments 0 | with audio podcast

Acupuncture's molecular effects pinned down

Scientists have taken another important step toward understanding just how sticking needles into the body can ease pain.

Medicine & Health / Neuroscience

created May 30, 2010 | popularity 4.6 / 5 (25) | comments 11 | with audio podcast

Scientists build Parkinson's disease in a dish to study cells' death

Until now, there have been no witnesses to the death of brain cells in people with Parkinson's disease. And like any murder mystery, this has slowed the search for the killer.

Medicine & Health / Medical research

created Apr 05, 2011 | popularity 5 / 5 (3) | comments 0

How injured nerves grow themselves back

Unlike nerves of the spinal cord, the peripheral nerves that connect our limbs and organs to the central nervous system have an astonishing ability to regenerate themselves after injury. Now, a new report in the October 1st ...

Medicine & Health / Medical research

created Sep 27, 2010 | popularity 4.8 / 5 (10) | comments 2 | with audio podcast

Light workout: Scientists use optogenetics to effectively stimulate muscle movement in mice

Researchers at Stanford University were able to use light to induce normal patterns of muscle contraction, in a study involving bioengineered mice whose nerve-cell surfaces are coated with special light-sensitive proteins.

Medicine & Health / Medical research

created Sep 26, 2010 | popularity 4.7 / 5 (3) | comments 3 | with audio podcast

Researchers replicate slime mold with brainless amoeboid robot that can move toward an attractant

(PhysOrg.com) -- Takuya Umedachi has been working for several years to build a robot that can replicate the simple actions of the common slime mold, an organism that can move towards something it desires without ...

Electronics / Robotics

created Mar 14, 2012 | popularity 3.7 / 5 (3) | comments 4 | with audio podcast weblog

Researchers find that Sirtuin1 may boost memory and learning ability

The same molecular mechanism that increases life span through calorie restriction may help boost memory and brainpower, researchers at MIT's Picower Institute for Learning and Memory report in the July 11 ...

Medicine & Health / Neuroscience

created Jul 11, 2010 | popularity 4.9 / 5 (17) | comments 9 | with audio podcast

'Remote Control' for Cholesterol Regulation Discovered in Brain

(PhysOrg.com) -- Circulation of cholesterol is regulated in the brain by the hunger-signaling hormone ghrelin, researchers say. The finding points to a new potential target for the pharmacologic control of ...

Medicine & Health / Neuroscience

created Jun 06, 2010 | popularity 5 / 5 (9) | comments 1 | with audio podcast

Of bugs and brains: Researchers discover that gut bacteria affect multiple sclerosis

Biologists at the California Institute of Technology have demonstrated a connection between multiple sclerosis (MS) -- an autoimmune disorder that affects the brain and spinal cord -- and gut bacteria.

Medicine & Health / Medical research

created Jul 19, 2010 | popularity 4.6 / 5 (14) | comments 1 | with audio podcast

Carbon dioxide affecting fish brains: study

Rising human carbon dioxide emissions may be affecting the brains and central nervous systems of sea fish, with serious consequences for their survival, according to new research.

Space & Earth / Environment

created Jan 16, 2012 | popularity 4.1 / 5 (15) | comments 15

Neurons from stem cells could replace mice in botulinum test

(PhysOrg.com) -- Using lab-grown human neurons, researchers from the University of Wisconsin-Madison have devised an effective assay for detecting botulinum neurotoxin, the agent widely used to cosmetically smooth the wrinkles ...

Biology / Biotechnology

created Feb 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Glucosamine-like supplement suppresses multiple sclerosis attacks

A glucosamine-like dietary supplement suppresses the damaging autoimmune response seen in multiple sclerosis, according to a UC Irvine study.

Chemistry / Biochemistry

created Sep 30, 2011 | popularity 3.8 / 5 (6) | comments 2 | with audio podcast