News tagged with chemical signals


Study sheds light on brain's fear processing center

Medicine & Health / Research

created Nov 25, 2009 | popularity 5 / 5 (3) | comments 1

Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...


Scientists guide immune cells with light and microparticles

Scientists guide immune cells with light and microparticles (w/ Video)

Chemistry / Biochemistry

created Nov 16, 2009 | popularity 5 / 5 (3) | comments 0

A team led by Yale University scientists has developed a new approach to studying how immune cells chase down bacteria in our bodies. Their findings are described in the November 15 issue of Nature Methods Advanc ...





Search results for chemical signals


Scent signals stop incest in lemurs

Biology / Evolution

created Dec 02, 2009 | popularity not rated yet | comments 0

Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers writing in the open access journal BMC Evolutionary Biology have identified the smells ...


Nervy research: Researchers take initial look at ion channels in a model system

Nervy research: Researchers take initial look at ion channels in a model system

Chemistry / Biochemistry

created Dec 02, 2009 | popularity 5 / 5 (1) | comments 0

Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...


Dessert on your mind? Your muscles may be getting the message

Medicine & Health / Research

created Dec 01, 2009 | popularity 5 / 5 (1) | comments 0

Even the anticipation of sweets may cause our muscles to start taking up more blood sugar, say researchers reporting in the December issue of Cell Metabolism. That message is delivered via neurons in the brain's hypothalamus contai ...


ERK's got rhythm: Protein that controls cell growth found to cycle in and out of cell nucleus (w/ Video)

Biology / Cell & Microbiology

created Dec 01, 2009 | popularity not rated yet | comments 0

Time-lapsed video of individual breast tissue cells reveals a never-before-seen event in the life of a cell: a protein that cycles between two major compartments in the cell. The results give researchers a more complete view ...


Research sheds new light on epilepsy

Medicine & Health / Research

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 1

Pioneering research using human brain tissue removed from people suffering from epilepsy has opened the door to new treatments for the disease.


Overeating can set stage for obesity, researchers say

Medicine & Health / Health

created Nov 27, 2009 | popularity 5 / 5 (2) | comments 2

It doesn't seem like a fair fight. In one corner loomed the Thanksgiving table, groaning with poultry, pie and mashed potatoes.


Scientists find new link between insulin and core body temperature

Medicine & Health / Diseases

created Nov 19, 2009 | popularity 5 / 5 (1) | comments 0

A team led by scientists at The Scripps Research Institute have discovered a direct link between insulin—a hormone long associated with metabolism and metabolic disorders such as diabetes—and core body temperature. While ...


Schizophrenia gene's role may be broader, more potent, than thought

Medicine & Health / Research

created Nov 19, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- UCSF scientists studying nerve cells in fruit flies have uncovered a new function for a gene whose human equivalent may play a critical role in schizophrenia.


Drug studied as possible treatment for spinal injuries

Drug studied as possible treatment for spinal injuries

Medicine & Health / Neuroscience

created Nov 19, 2009 | popularity 5 / 5 (3) | comments 0

Researchers have shown how an experimental drug might restore the function of nerves damaged in spinal cord injuries by preventing short circuits caused when tiny "potassium channels" in the fibers are exposed.


How cells tolerate DNA damage -- start signal for cell survival program identified

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity not rated yet | comments 0

Cancer researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained new insights into how cells react to DNA damage. Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit ...



List of search results for chemical signals