News tagged with chemical signals

Related topics: molecules




MicroRNAs can convert normal cells into cancer promoters

Unraveling the mechanism that ovarian cancer cells use to change normal cells around them into cells that promote tumor growth has identified several new targets for treatment of this deadly disease.

Cancer created Nov 21, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Engineering a photo-switch for nerve cells in the eye and brain

(Medical Xpress)—Chemists and vision scientists at the University of Illinois at Chicago have designed a light-sensitive molecule that can stimulate a neural response in cells of the retina and brain—a ...

Medical research created Nov 14, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Study examines how Alzheimer's kills brain cells

(Medical Xpress)—Exactly how Alzheimer's disease kills brain cells is still somewhat of a mystery, but University of Michigan researchers have uncovered a clue that supports the idea that small proteins ...

Alzheimer's disease & dementia created Oct 17, 2012 | popularity not rated yet | comments 0 | with audio podcast

Blue Brain Project accurately predicts connections between neurons

One of the greatest challenges in neuroscience is to identify the map of synaptic connections between neurons. Called the "connectome," it is the holy grail that will explain how information flows in the ...

Neuroscience created Sep 17, 2012 | popularity 4.8 / 5 (16) | comments 6 | with audio podcast

Researchers reveal how a single gene mutation leads to uncontrolled obesity

Researchers at Georgetown University Medical Center have revealed how a mutation in a single gene is responsible for the inability of neurons to effectively pass along appetite suppressing signals from the body to the right ...

Genetics created Mar 18, 2012 | popularity 1 / 5 (1) | comments 1 | with audio podcast

New discovery could lead to treatment for Angelman syndrome

Results of a new study from the University of North Carolina at Chapel Hill may help pave the way to a treatment for a neurogenetic disorder often misdiagnosed as cerebral palsy or autism.

Genetics created Dec 21, 2011 | popularity 3.3 / 5 (3) | comments 0 | with audio podcast

Structure of vital protein complex, G protein-coupled receptors, described in unprecedented detail

Three international teams of scientists, led by researchers at the University of California San Diego, University of Michigan and Stanford University, have published a trio of papers describing in unprecedented ...

Medical research created Sep 28, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Even in fruit flies, enriched learning drives need for sleep

Just like human teenagers, fruit flies that spend a day buzzing around the "fly mall" with their companions need more sleep. That's because the environment makes their brain circuits grow dense new synapses and they need ...

Medical research created Jun 23, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Endothelium, heal thyself: A fresh look at this resilient, adaptable tissue

(Medical Xpress)—The endothelium, the cellular layer lining the body's blood vessels, is extremely resilient. Measuring just a few hundred nanometers in thickness, this super-tenuous structure routinely ...

Medical research created May 16, 2013 | popularity 4 / 5 (2) | comments 1 | with audio podcast

Researchers identify how cells control calcium influx

(Medical Xpress)—When brain cells are overwhelmed by an influx of too many calcium molecules, they shut down the channels through which these molecules enter the cells. Until now, the "stop" signal mechanism that cells ...

Neuroscience created May 09, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Gene thought to make heart tissues turns out to make blood and muscles as well

New research out of the Lillehei Heart Institute at the University of Minnesota shows that by turning on just a single gene, Mesp1, different cell types including the heart, blood and muscle can be created from stem cells.

Genetics created May 02, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Brain cell signal network genes linked to schizophrenia risk in families

New genetic factors predisposing to schizophrenia have been uncovered in five families with several affected relatives. The psychiatric disorder can disrupt thinking, feeling, and acting, and blur the border ...

Psychology & Psychiatry created Apr 03, 2013 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Star-shaped glial cells act as the brain's 'motherboard'

The transistors and wires that power our electronic devices need to be mounted on a base material known as a "motherboard." Our human brain is not so different—neurons, the cells that transmit electrical ...

Neuroscience created Mar 07, 2013 | popularity not rated yet | comments 0 | with audio podcast

Study may lead to new strategies against sepsis

Scientists at the Center for Translational Medicine at the Temple University School of Medicine are inching closer to solving a long-standing mystery in sepsis, a complex and often life-threatening condition that affects ...

Medical research created Jan 25, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Scientists pinpoint molecular signals that make some women prone to miscarriage

(Medical Xpress)—Scientists have identified molecular signals that control whether embryos are accepted by the womb, and that appear to function abnormally in women who have suffered repeated miscarriages.

Medical research created Jan 03, 2013 | popularity not rated yet | comments 0 | with audio podcast